Living body breeding method for quality of streaky pork

A technology of pork belly and pork belly, which is applied in the field of animal genetics and breeding, and can solve the problem of one of the measurement indicators of pig belly meat

Active Publication Date: 2020-11-27
NANJING AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in pig breeding, the determination of meat quality indicators is mostly carried out with longissimus dorsi or psoas muscle samples, and the quality or grade of pig belly meat is not used as one of the indicators for pork quality measurement. is often overlooked in

Method used

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  • Living body breeding method for quality of streaky pork
  • Living body breeding method for quality of streaky pork
  • Living body breeding method for quality of streaky pork

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] (1) Test method

[0032] Collection of test samples:

[0033] Belly pork belly of pork white strips, a total of 33 samples.

[0034] Processing of white striped pork belly:

[0035] Sampling sites were 3 strips with a width of 3 cm and three strips of skin cut from different positions in the front, middle and back of the abdomen (8-9 ribs from the bottom, 3-4 ribs from the bottom, 2-3 lumbar vertebrae from the bottom) (the front of the abdomen to back ribs)( figure 2 ). Divide each piece of pork belly into three equal parts: the rib part on the back side, the part near the ribs in the middle, and the upper, middle and lower part of the belly part on the ventral side. Measure the sample with a vernier caliper, and record the number and thickness of pork belly skin, muscle and fat layers. Then, the upper, middle and lower samples of each bar were divided into 3 parts equally, and used for measuring drip loss, cooking loss and sensory evaluation.

[0036] 1. Determi...

Embodiment 2

[0093] (1) Experimental method

[0094] 1. Sample collection: belly pork belly of 160 pigs.

[0095] 2. B-ultrasound to measure the thickness of each layer of pork belly:

[0096] In order to ensure the accuracy of B-ultrasound measurement, the test was carried out using MyLabTouch, a high-definition veterinary B-ultrasound instrument from Esaote, Italy. First debug the probe of the instrument, set the depth to 15cm, and the working frequency to 3.6HZ. Place the probe on the front, middle and back of the pig's abdomen for measurement. During the measurement, move the probe left and right to ensure that the measured dynamic image is clear, and select a clear, correct position, and measurable B-ultrasound image from the measured dynamic image ( Figure 6 ) 3 pieces are saved. At the same time, mobile phone photographs were taken of the cross-sections of these three parts (front: between the 4th and 5th ribs; middle: at the 3rd and 4th ribs from the bottom; rear: at the 5th lu...

Embodiment 3

[0113] Example 3 B-ultrasound in vivo measurement of the thickness of each layer of pork belly pork belly and feasibility analysis

[0114] From April to June 2019, at the Runwo Pig Farm in Xuzhou, Jiangsu Province, B-ultrasound in vivo measurements were performed on 58 fattening pigs before the pork belly (the penultimate 8-9 ribs, the lower 1 / 4 of the pig's side) , middle (at the penultimate 3-4 ribs, the lower 1 / 4 of the pig's body side), and posterior (2-3 lumbar vertebrae, the lower 1 / 4 of the pig's body side) thickness of each layer. The instrument used for the determination is MyLabTouch, a high-definition veterinary B-ultrasound instrument from Esaote, Italy.

[0115] Measuring method: Keep the pigs to be tested in the stalls. 2-3 people (A, B, C) are required to operate together. A is responsible for the pigs’ work (to ensure that the pigs will not be overly nervous. If the pigs react strongly, a restraint device is required. carry out security); B is responsible for...

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Abstract

The invention discloses a living body breeding method for quality of streaky pork. The method comprises the steps of: measuring the 1/4 position below the side of a pig body between the last eighth toninth ribs of a living pig by using a veterinary B-ultrasonic instrument with a linear array probe; acquiring a total thickness ratio of a muscle layer, a total thickness ratio of a fat layer and a total thickness ratio of fat and muscle of streaky pork in the abdomen of the living pig by utilizing a B-ultrasonic image; and according to the obtained streaky pork parameters, carrying out calculation by utilizing a pig abdomen streaky pork B-ultrasonic measurement comprehensive index I formula, and selecting the pig with a high comprehensive index I as a breeding pig. According to the method, the streaky pork quality grade of the living pig is evaluated according to the numerical value of I, living body determination trial is carried out in a pig farm, and a reference basis is provided forliving body determination for breeding.

Description

technical field [0001] The invention belongs to the technical field of animal genetics and breeding, and relates to a living body selection method for pork belly meat quality. Background technique [0002] Traditionally, pork belly (pork belly) is an essential ingredient for making braised pork and bacon, and has important food value and economic value. However, in pig breeding, the determination of meat quality indicators is mostly carried out with longissimus dorsi or psoas muscle samples, and the quality or grade of pig belly meat is not used as one of the indicators for measuring pork quality. is also often ignored. If the B-ultrasound instrument can be used to measure and evaluate the quality of pork belly in vivo, the quality or grade of pig belly pork belly can be selected in vivo, which will help to breed pigs with better meat quality. [0003] As an emerging technology, ultrasonic image detection technology is widely used in animal husbandry production, such as B-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/02A61B8/08
CPCA01K67/02A61B8/0858A61B2503/40
Inventor 周波刘鑫鹏
Owner NANJING AGRICULTURAL UNIVERSITY
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