57 results about "Delivery rooms" patented technology

The invention discloses a feeding method of pigs, and particularly discloses a feeding management method of sows. The feeding management method of the sows comprises the step of feeding management on four stages of replacement gilts, non-pregnant and breeding sows, pregnant sows and farrowing and lactation sows. The protein level of the sows keeps 16%; the feeding amount is increased or decreased in time according to the weights of the replacement gilts; every 4-6 non-pregnant and breeding sows stay in one sty to be fed, and the sows are bred in time; the feeding amount of the pregnant sows is adjusted according to the early pregnancy stage, the middle pregnancy stage and the later pregnancy stage, namely the weights of the sows; delivery rooms, delivery beds and the sties are sterilized before the sows farrow, and the feeding amount is increased or decreased in time after the sows farrow, namely in the lactation period. The sows fed according to the feeding management method of the sows are good in health, high in pregnancy rate and large in born number, piglets are strong and uniform, and economic benefits can be improved.

The invention discloses a breeding pig delivery room monitoring system and method based on wireless transmission. Two cameras which are timed to shoot a piglet suckling region once every 30 seconds simultaneously; collected images are stored into two SDRAMs respectively; two DSP processing units read the images from the two SDRAMs respectively, process the images in real time, conduct label positioning and transmit label features to an ARM microprocessor; collected sounds and the collected images are processed, so that unusual conditions in a breeding pig delivery room are automatically detected, the suckling amount of each piglet every day is calculated, and results are transmitted to a mobile phone set by a farmer through a GPRS wireless network; accordingly, the conditions in the breeding pig delivery room are monitored remotely in real time, it is guaranteed that all the piglets can suck sufficient breast milk, and the survival rate of the piglets is increased.

The invention provides a method for improving a survival rate and weaning weight of a piglet in a delivery room. The method comprises the steps of prenatal caring, sow parturition managing, newborn piglet managing, disease preventing and curing and medical caring. Refine managing is carried out on a sow and a newborn piglet, a set of scientific managing modes and breeding methods is established, the normal development of a fetus in the sow is guaranteed, the survival rate and the healthy growing rate of the piglet after parturition are guaranteed, the morbidities of the mastitis, the endometritis and the colpitis of the sow after the parturition is conducted are controlled, and the great application prospect is achieved.

The invention relates to a method for increasing the postweaning oestrus rate of one-birth sows. The method includes the steps that 1, self-help feeding is conducted after weaning, and meanwhile energy substances and nutrient substances are added in feed; 2, feed reducing is conducted 3 days before weaning in a delivery room, the sows cannot be fed on the same day of weaning, and the sows can be raised in a playground or a large pigsty if possible, so that self-help feeding is guaranteed; 3, an ideal feeling temperature is created, and it is guaranteed that the temperature, the humidity and the ventilation quantity are appropriate; 4, a corrected oestrus checking method is executed, an apt measure for spurring the sows into oestrus is taken for the sows which fail to conduct oestrus after weaning is completed for 7 days or do not conduct oestrus for a long time, and the measure should include the three aspects of Chinese herbal medicine estrualization, hormone estrualization and stimulus movement. The postweaning oestrus rate of the sows is increased, the workload of breeders can be reduced, working efficiency is effectively improved, the number of elimination sows is decreased, and cost is lowered; besides, the number of non-productive days of the sows can be decreased, and the year productivity of the sows is improved.

The invention provides an intelligent music guiding method and system and a medium. The physiological parameter information of a lying-in woman is collected, the childbirth progress information of thelying-in woman is obtained, based on the physiological parameter information and the childbirth progress information of the lying-in woman, the lying-in woman and a person presenting during childbirth are guided to make corresponding music guiding behaviors and delivery room environment matching adjustment for relieving pain, eliminating harmful feelings and promoting childbirth, the action in-place degree and the effects of the lying-in woman and the person presenting during childbirth are monitored and are reminded if necessary, and intelligent interaction with the lying-in woman and the person presenting during childbirth is realized so as to relieve discomfort of pain, nervousness, anxiety and the like of the lying-in woman. In addition, through prenatal training, the lying-in woman is familiar with the intelligent music guiding method or system, and when entering a delivery room, the lying-in woman and the person presenting during childbirth can experience belonging feeling and familiarity feeling caused by previous training of the intelligent music guiding method or system. Besides, the external signals of voice, light and the like are combined and intelligently related withreal-time childbirth progress information, and better immersion feeling is brought to the lying-in woman and the person presenting during childbirth, confidence of the lying-in woman is reinforced, pain of the lying-in woman is relieved, and the intelligent music guiding effect can be achieved.

The invention discloses an obstetric bed for assisting parturition in a delivery room in obstetrics and gynecology department. The obstetric bed comprises a base plate and a bed board movably arrangedabove the base plate, wherein a lifting pneumatic rod is arranged on a surface of the bed board, the top of the lifting pneumatic rod is connected with a backrest, a headrest is adhered on the surface of the backrest through a magic tape, first slide rails and second slide rails are arranged on the surface of the bed board, first inserting structures are embedded in the right end parts of the first slide rails, and the tops of the first inserting structures are connected with a mattress; second inserting structures are embedded in the left end parts of the first slide rails, and the tops of the second inserting structures are connected with a lochia collecting mechanism; third inserting structures are embedded in the second slide rails, the tops of lifting rods are connected with crus placing supports through ball heads, and pedals which are symmetrical relative to the transverse center line of the bed board are arranged on the surface of the bed board. The problems such as lochia collection are solved, the lochia such as amniotic fluid generated during delivery can be collected and then discharged through a collecting barrel.

The invention relates to a breeding and managing method of lactating sows. The method includes the steps of antenatal cleaning of the sows, sterilization of a delivery room, management of delivery and feeding and epidemic prevention of the sows in the lactation period. The sows bred through the breeding and managing method are good in body conditions, less in lost weight in the lactation period, good in appetite and sufficient in milk, piglets are large in weight after ablactation and strong, and it is beneficial to increase economic benefits of scale pig farms.

The invention discloses a neonatal jaundice therapeutic instrument. On the basis of real-time monitoring of the bilirubin concentration in blood of the newborn, the treatment efficiency of the neonatal jaundice can be improved substantially. The neonatal jaundice therapeutic instrument is characterized in that one end of a cable connector is connected to a photoelectric source case and the other end of the cable connector is connected with a blue-light treatment blanket by an optical fiber hose. The blue-light treatment blanket consists of a light transmitting layer, a light leakage layer, a reflective layer and a constant temperature layer; optical fibers and fabric filaments are knitted, woven, or wound to form the light leakage layer; and the constant temperature layer is made of a material with a melting point of 30 to 38 DEG C. A jaundice detection module connected with the photoelectric source case electrically is used for feeding back real-time monitoring data of bilirubin in the blood of the newborn to the photoelectric source case. The neonatal jaundice therapeutic instrument is suitable for the newborn nursing after delivery, especially for treatment of diseases like the neonatal jaundice and serves as one of necessary devices of a delivery room, a newborn room, or a newborn monitoring center.

The invention discloses a stem cell active factor and freeze-dried powder thereof. The stem cell active factor is prepared by the following steps: firstly, extracting umbilical cord tissues from a delivery room after a newborn fetus is peeled off, putting the umbilical cord tissues into umbilical cord transfusion liquid, refrigerating the umbilical cord transfusion liquid in an environment of 4-6DEG C for 24-36 hours, and extracting umbilical cord mesenchymal stem cells for culturing. The stem cell active factor and the freeze-dried powder thereof prepared by the method disclosed by the invention are simple and convenient in preparation method, and the cell source has homogeneity and accords with the biological characteristics of the stem cells, so that the secretion amount and the performance stability of the stem cell source active factor are ensured; and the freeze-dried powder is dissolved by combining moisturizing and water-locking hyaluronic acid and glycerinum, and directly acts on the skin, so that the cell function is activated, the skin is conveniently repaired, the repair effect is good, the use is convenient, the damaged skin can be quickly repaired, the targets of resisting skin aging and repairing skin barrier are achieved, and the effects of maintaining beauty and keeping young, reversing time and retaining youth are achieved.

The invention discloses a breeding goose delivery room device controlled accurately and intelligently on the basis of Internet of Things and a running method. The device comprises a workbench body, aconveying belt, a coding structure, a goose egg limiting plastic plate and an iron wire collection box, and the conveying belt, the coding structure, the goose egg limiting plastic plate and the ironwire collection box are mounted on the workbench body. A weighing plate mounted below the conveying belt is utilized to weigh breeding gooses, and after the breeding gooses lay eggs and leave a delivery room, the conveying belt conveys gooses eggs for coding till rolling down into an iron wire collection box, in this way, intelligent weighing of the breeding gooses, individual recognition and coding and marking of the gooses eggs are realized, so that efficiency of weighing the breeding gooses and coding the goose eggs is improved, and conveying stability and completeness of the goose eggs areensured.

The invention provides a clock-free birth-moment recording device. The clock-free birth-moment recording device comprises a recording box and a time corrector, wherein the recording box is installed on an umbilical cord cutter and used for being separately taken in a delivery room and starting to time from the moment when the umbilical cord is cut by the umbilical cord cutter; the time corrector is an independent device, is in communication with the recording box, and is used for being put outside the delivery room, correcting time in the recording box and obtaining accurate time of umbilicalcord cutting. According to the clock-free birth-moment recording device, a clock is not arranged in the recording box, and as the clock is not arranged in the recording box, medical workers in the delivery room cannot carry out fussy time correction operation in advance, and can cut off the umbilical cord only according to normal delivering procedures; increased movement is avoided, the accuracy of birth moment recording can be guaranteed, medical-worker pressure caused when additional operation is increased is avoided, and the delivering risk is reduced.

The invention discloses a clinical auxiliary eutocia bed for the obstetrics department. The clinical auxiliary eutocia bed comprises a bed body and a midwifery mechanism, wherein the bed body comprises a bed board, and a backrest board is connected to the bed board through a rotating mechanism; the midwifery mechanism comprises a supporting body, wherein a hanging base is fixedly mounted on the supporting body, an arc-shaped sliding way and an arc-shaped friction step are arranged on the hanging base, and a moving assembly is arranged in the arc-shaped sliding way. and the moving assembly comprises a main hanging rod and an auxiliary hanging rod which are parallel to each other and are both vertically arranged, and a pulling assisting assembly is arranged at the lower end of the main hanging rod and comprises a pulling assisting air cylinder, a vacuum air pump and a fixing suction cup cooperating with the shape of the head of a fetus. The eutocia bed comprises the midwifery mechanism for assisting in pulling a fetus. The midwifery mechanism is specially used in a midwifery room for a parturient, can be mounted beside the eutocia bed, can be used independently from the eutocia bed, can assist a doctor in pulling out the fetus from the body of the parturient, is high in automation degree in the whole process, enables the doctor to operate easily, and avoids embarrassment of the parturient.

The invention discloses a fetal heart monitor for the delivery room; the monitor comprises a base, a lifting supporting mechanism is fixedly installed on the upper portion of the base, and a fetal heart monitoring mechanism, a disinfection mechanism, a storage mechanism and a garbage collection mechanism are installed on the lifting supporting mechanism; the lifting supporting mechanism comprises an assembling plate, a fixed shell, a hollow supporting rod, a square sleeve rod, a lead screw, a motor and a supporting plate. The fetal heart monitoring mechanism is composed of a box body, a controller, a touch display screen and an ultrasonic probe. The monitor has the height adjusting function, the fetal heart monitoring function, the disinfection function, the delivery room common article storage function and the garbage collecting function, delivery room fetal heart monitoring use can be well met, the intelligent degree of the disinfection mechanism is high, and the working efficiency of medical workers is effectively improved; the garbage collecting mechanism is arranged, the design is reasonable. Garbage thrown into the garbage collection bag can be effectively prevented from being popped out through the bag opening when the garbage collection bag is almost full.

The invention provides a novel sow transferring method for segmented feeding, and belongs to the technical field of animal breeding. The sow transferring method comprises the following steps: step 1, estrus checking is conducted on sows to be bred in a breeding house, and the sows are bred after estrus; step 2, B-ultrasonic pregnancy identification is performed on the sows 20-30 days after breeding, and the sows are transferred to a pregnancy house for feeding after pregnancy is confirmed; step 3, after 75-85 days of pregnancy, whether the pregnant sows are nonpregnant or not is determined again, the pregnant sows are transferred to a heavy fetal house for feeding, and preparing to increase the fetus weight; and step 4, after 90 days of pregnancy, fetus weight increase is started till one week before parturition, and the sows are transferred to a delivery room for delivery. The sows are transferred twice in the pregnancy period, so that the average birth number of malformed fetuses, the average birth number of dead fetuses and the midwifery rate of the sow are obviously lower than those of the existing sow which is transferred once in the pregnancy period; and the breeding and delivery efficiency and the farrowing efficiency of the sows which are transferred twice in the pregnancy period are higher than those of the sows which are transferred once in the pregnancy period, and the farrowing process is smoother.

The invention provides a delivery midwifery instrument for the obstetrics and gynecology department, belongs to the technical field of delivery midwifery instruments. The problems that after the delivery midwifery instrument is used, because the delivery midwifery instrument lacks an effective cleaning structure, a large number of attachments in a birth canal are attached to an air bag and an airbag connecting handle, and once the attachments drop onto the delivery midwifery instrument and the ground, influences are brought to environment of a delivery room are solved. The delivery midwiferyinstrument comprises a base, and a lifting mechanism is arranged on the upper portion of the base. Through cooperation of a cleaning mechanism and a sewage collecting mechanism, during cleaning, a valve is opened, cleaning liquid in the cleaning mechanism is evenly sprayed to the air bag and the air bag connecting handle through a spray head, sewage obtained after cleaning enters the sewage collecting mechanism through a drainage hose, and an anti-backflow flap valve is installed at the water outlet end of the drainage hose, so that the phenomenon that peculiar smells and bacteria in the sewage collecting mechanism float to the air in the delivery room through the drainage hose is effectively avoided, and then the environment of the delivery room is prevented from being affected.

The invention relates to the field of medical equipment, in particular to a postpartum auxiliary recovery device comprising a supporting seat, a seat supporting base, an arm-chair plate, a foot lifting plate, two striae gravidarum removing drivers and two massagers. The supporting seat is longitudinally connected to the seat supporting base in a sliding manner; the arm-chair plate and the foot lifting plate are rotationally connected to the front end and the rear end of the supporting seat respectively; the arm-chair plate is connected into the supporting seat in a sliding mode; the rear end of the seat supporting base is hinged to the arm-chair plate; the front end of the seat supporting base is hinged to the arm-chair plate; the two striae gravidarum removing drivers are connected to thetwo ends of the supporting seat in a sliding mode respectively; and the two massagers are connected into the two striae gravidarum removing drivers in a sliding mode respectively. The postpartum auxiliary recovery device has the beneficial effects that the lying chair convenient and fast for the pregnant woman to have a rest is provided for the confinement delivery room; meanwhile, in the rest process, the abdomen of the pregnant woman after delivery is continuously stretched, extruded and massaged, and surface striae gravidarum is removed while the pregnant woman has a rest.

The invention relates to a pregnant woman midwifery device which comprises a device frame; a bed body which is used for a pregnant woman to lie down and of which the front end is a bedhead end is arranged on the device frame; and a bed body driving mechanism in transmission connection with the bed body to drive the bed body to reciprocate front and back is further arranged on the device frame. When the pregnant woman midwifery device is in use, the pregnant woman lies down on the bed body, the bed body driving mechanism drives the bed body to move forwards, the bed body drives the pregnant woman and a fetus in the belly of the pregnant woman to move forwards, then the bed body moves backwards, the bed body drives the pregnant woman and the fetus in the belly of the pregnant woman to move backwards, and under the action of inertia, the fetus tends to rush away from the mother so as to implement midwifery; according to the pregnant woman midwifery device, the pregnant woman does not needto walk so as to reduce physical exhaustion of the pregnant woman; and the pregnant woman midwifery device is also suitable for the pregnant woman who suffers from leg edema and cannot be subjected to midwifery by walking, and certainly, is also more suitable for the predelivery pregnant woman in a delivery room.

The invention discloses an auxiliary transvaginal delivery device convenient for a delivery room in the obstetrical department. The auxiliary transvaginal delivery device comprises a bed body; two supporting plates are welded to the bottom of the bed body; furthermore, a fixing plate is welded between the two supporting plates; a push rod motor is installed on the top of the fixing plate; a connecting plate is installed at the output end of the push rod motor; furthermore, two bracing rods are hinged to the top of the connecting plate; a bracing plate is hinged to the tops of the bracing rods;two movable plates are rotatably connected to the right end of the bed body; a supporting rod is movably connected to the bottom of each movable plate; a supporting plate is installed on the top of each movable plate; and a binding belt is installed on each supporting plate. Due to the combination of various structures, the angle of a bed plate can be adjusted quickly, so that the comfort of thedevice is enhanced; furthermore, the device can adjust and limit the legs of various pregnant women during delivery; therefore, the legs of the pregnant women are prevented from moving during delivery; the strength and pain are saved; and medical workers are prevented from being injured.

The invention discloses a piglet pressed detection method based on a deep learning model, and relates to the technical field of breeding, and the technical scheme comprises steps: arranging a microphone array in a pigsty of a pig delivery room; collecting sound of two columns through the microphone; judging the position of a sound source according to the collected sound; and judging whether the piglet is pressed or not by combining a pressed piglet sounding model established based on the CNN and a spectrogram. The beneficial effects of the invention are that the method provided by the scheme liberates the demand of a delivery room for labor force, reduces the production management cost of an enterprise, and improves the digital intelligence level of livestock breeding. Besides, from the perspective of production, by means of the scheme and method, the death and culling rate of the piglets can be reduced, more piglets can be rescued, the piglets can be converted into growing-finishing pigs which continue to be bred, and great help is provided for further improving the operating profit of animal husbandry enterprises.

The invention relates to an animal house bedding litter, and particularly relates to an antibacterial attapulgite animal house bedding litter for animal delivery rooms. The nanometer level attapulgite ore has a special crystal structure, thereby possessing excellent adsorption performance and strong water absorbing performance and possessing stronger antibacterial performance, and other substances have no such performances; the adsorption performance of the animal house bedding litter can be enhanced through bentonite; and corncob power or rice hull power are combusted at the high temperature to form micro apertures in the animal house bedding litter, so that water absorbing amount of the animal house bedding litter can be increased. After times of tests and application, attapulgite works as a main body and bentonite mine and corncob power or rice hull power work as auxiliary materials; the novel animal house bedding litter has the advantages of the conventional animal house bedding litter and avoids deficiencies of various animal house bedding litter; and the animal house bedding litter is free of pollution and dust, and has high strength and cheap price.

The invention discloses a composition for promoting qi and blood and for breeding pigs as well as application, a feeding method and a preparation method of the composition. The composition is preparedfrom the following components in parts by weight: 15 to 20 parts of radix astragali preparata, 15 to 20 parts of white paeony root, 10 to 15 parts of bran-fried bighead atractylodes rhizome, 10 to 15parts of poria cocos, 10 to 15 parts of codonopsis pilosula, 15 to 20 parts of Chinese angelica root and 15 to 20 parts of prepared rehmannia root. When the composition is used for breeding pigs, theelimination rate of sows is reduced by more than 10 percent, the death and elimination rate of piglets suckled in a delivery room is reduced by more than 30 percent, the farrowing rate is increased by more than 10 percent, the parity of the sows is increased, and the average parity of each sow is increased from six piglets to eight piglets.

The invention provides a system convenient for family members and doctors to obtain delivery information in real time. The system comprises a delivery monitoring terminal, a delivery monitoring server and a plurality of delivery rooms; a monitoring camera and a controller are arranged in each delivery room; the controller captures video and audio information of the delivery room through the monitoring camera and uploads the video and audio information of the delivery room to the delivery monitoring server; a user can register information on the delivery monitoring server in advance and set a delivery room code of a puerpera corresponding to the user. The delivery monitoring server matches the identity information with a corresponding delivery room code, and after the delivery room is matched, delivery video and audio information is sent to the delivery monitoring terminal, so that family members or medical staff of a delivery person can monitor the whole delivery process and know the delivery process. It is guaranteed that the delivery video and audio information can be matched with a user with permission when transmitted, and the situation that the delivery video and audio information is checked by a delivery monitoring terminal without a permission controller, and personal privacy leakage is caused is avoided.

A baby care system for obstetrics and gynecology, including a baby cabin, a frame and a nursing device; a cavity is provided in the baby cabin, and a baby can be placed in the cavity, the frame is detachably connected to the baby cabin, and multiple babies can be installed in the nursing device The baby is placed in the baby cabin after being treated by the medical staff in the delivery room. When the baby needs to be transferred, the baby cabin can be connected to the frame for movement or the baby cabin can be connected to the nursing device for centralized care of the baby. The baby is always protected by the baby compartment, which can provide a comfortable environment for rest and care for the newborn baby, and reduce the possibility of the newborn baby being in contact with the external environment.

The invention relates to the technical field of midwifery cleaning for medical delivery rooms, particularly relates to a cleaning and disinfecting device for midwifery in a medical delivery room, andaims at overcoming the defect in the prior art that the cleaning and disinfecting degree of a medical delivery room is not good enough since towel is mostly simply cleaned by wiping disinfectant afterbeing used in the medical delivery room and cannot be deeply treated. The cleaning and disinfecting device comprises a support plate, wherein a drying tank is arranged on the upper surface of the support plate, a feed inlet is formed in the top of the drying tank; and an operation notch is formed in the lower surface of the drying tank, and a plurality of limiting blocks are arranged at the bottom of the operation notch. According to the cleaning and disinfecting device, bedding and other objects can be effectively and quickly dried through the drying tank after being cleaned and disinfectedin a medical delivery room, the device can be pushed out and retracted conveniently before and after drying, the cleaning and disinfecting work of the medical delivery room can be conveniently coordinated, a disinfection tank with a pump structure is further provided, and the cleaning or disinfecting work is achieved by replacing a feed bag conveniently and flexibly, so that the efficiency of overall operation can be improved.

The system comprises a sickbed frame, an obstetric table frame and a transfer trolley arranged between the sickbed frame and the obstetric table frame. Mounting mechanisms are arranged on the sickbed frame, the obstetric table frame and the transfer trolley, and a multi-purpose transfer bed board is arranged to be matched with the mounting mechanisms; through the cooperation of the multi-purpose transfer bed plate and the mounting mechanism, the transfer of a puerpera without getting out of the bed can be realized, the puerpera can be quickly transferred without jolt before and after delivery, the precious time for transferring before and after delivery is saved, the transfer speed and efficiency are ensured, the action pressure suffered by the puerpera and a newborn is reduced, and the transfer efficiency is improved. And the transfer trolley has very important practical significance for transferring puerperae with mobility difficulty or large weight.

The invention discloses an obstetric clinical smooth delivery auxiliary device, which comprises a support body, a hanging seat is fixedly installed on the support body, an arc-shaped slideway and an arc-shaped friction step are arranged on the hanger base, and a movable slide is arranged in the arc-shaped slideway. component; the mobile component includes the main hanging rod and the auxiliary hanging rod, the lower end of the main hanging rod is provided with a pulling-assisting component, and the pulling-assisting component includes a pulling-assisting cylinder, a vacuum pump and a fixed suction cup adapted to the shape of the head of the fetus, The vacuum pump is communicated with the fixed suction cup; the pull-assist cylinder is rotatably connected with the main hanger rod, the piston rod of the pull-assist cylinder is coaxially fixed with the fixed suction cup, and a tension spring is sleeved on the piston rod of the pull-assist cylinder. The device is specially used in the delivery room for women who have a natural delivery. It can be installed beside the delivery bed or used independently of the delivery bed. It can assist the doctor to pull out the fetus from the body of the puerperium, and assist the natural delivery mother to give birth to the fetus smoothly. The whole process has a high degree of automation. It makes the operation simple for doctors and avoids embarrassment for mothers.

The invention discloses a high-yield delivery room for pig breeding. The high-yield delivery room for pig breeding comprises a guardrail mechanism, a base mechanism, a heating lamp, an air exchange mechanism, a crib mechanism and a room body. The guardrail mechanism is slidably mounted on the front side of the room body, and the air exchange mechanism is slidably mounted in the center of the rearend face of the room body. According to the high-yield delivery room for pig breeding, a bottom springing mode is adopted at the bottom, when a pig steps on a bottom plate, a bottom spring shakes, excrement are effectively discharged through round holes in the bottom, and therefore, accumulation of the excrement is reduced; meanwhile, a plurality of empty grooves are formed in the lower part, cleaning is more convenient, further the breeding of bacteria is greatly reduced, a fan is additionally arranged, peculiar smell in the room is effectively discharged; and a lifting type crib is adopted,the crib can freely slide in a sliding groove, the problem that the crib is prone to being overturned is effectively solved, meanwhile, the bottom of the crib can be cleaned more conveniently, and thehealth of pigs is further guaranteed.