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Premix for promoting growth and reproduction of sows, preparation method and application thereof

A premix, sow technology, applied in the field of pig breeding, can solve the problems of low lactation and immunity, great influence on reproductive performance, low survival rate of piglets, etc., so as to improve lactation performance, reduce environmental pollution, and increase absorption. The effect of efficiency and utilization

Active Publication Date: 2021-03-16
ZHANGZHOU AONONG ANIMAL HUSBANDRY TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Too much or too little selenium will affect the reproductive performance of sows. When selenium is deficient, it will have a great impact on reproductive performance, which can lead to delayed estrus, weak piglets, abortion, stillbirth, etc., low lactation and immunity, and poor survival of piglets. The rate is very low; if it is too much, selenium poisoning may occur in sows and piglets, resulting in slow growth, deformity, etc.

Method used

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  • Premix for promoting growth and reproduction of sows, preparation method and application thereof
  • Premix for promoting growth and reproduction of sows, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-5

[0035] Select 60 Landrace sows of gestation 70 days, be randomly divided into 6 groups, in each group of rations and feeds, feed 68 days to piglet weaning (24 days old) according to the component weight formula of each premix in Table 1 , recorded the litter size, birth weight and weaning weight of the sows respectively. The test results are shown in Table 2.

[0036] Table 1 Premix composition (g / Kg)

[0037]

[0038]

[0039] Table 2 Test results

[0040] project control group Example 1 Example 2 Example 3 Example 4 Example 5 Average daily feed intake (kg) 5.82 6.22 6.53 6.78 7.24 7.56 Litter size (head) 10.0 10.5 10.7 11.0 11.3 11.6 Piglet survival rate (%) 90.2 94.8 96.2 97.5 97.9 98.3 Piglet birth weight (catties) 1.41 1.45 1.48 1.52 1.57 1.59 Weaning weight at 24 days (catties) 13.0 13.5 13.8 14.0 14.2 14.5

[0041]Result analysis: the feed intake of embodiment sow, litter size, litter...

Embodiment 6

[0043] The premix that promotes the growth and reproduction of sows in this embodiment includes the following components and the content by weight in 1000 parts by weight: 24 parts of yeast selenium, 170 parts of manganese glycine chelate, 36 parts of copper lysine, pyridine carboxylic acid 0.12 parts of chromium, 1.4 parts of folic acid, 40 parts of flaxseed powder and 100 parts of glyceryl butyrate, and the rest are carriers.

[0044] Wherein, the carrier is formed by mixing perlite powder and corncob at a mass ratio of 2:1. The moisture content of copper lysine is ≤4%, and the particle size is 100% through 100 mesh. The mass content of the active ingredient in the chromium picolinate is ≥99%, the mass content of the chloride is ≤0.03%, and the loss on drying of the chromium picolinate is ≤2%. The particle size of flaxseed meal is 20 mesh.

[0045] The preparation method of the premix that promotes the growth and reproduction of sows in this embodiment specifically include...

Embodiment 7

[0053] The premix that promotes the growth and reproduction of sows in this embodiment includes the following components and the content by weight in 1000 parts by weight: 28 parts of yeast selenium, 182 parts of manganese glycine chelate, 42 parts of copper lysine, pyridine carboxylic acid 0.15 parts of chromium, 1.7 parts of folic acid, 70 parts of flaxseed powder and 120 parts of glyceryl butyrate, and the rest are carriers.

[0054] Wherein, the carrier is formed by mixing perlite powder, attapulgite clay powder and zeolite powder in a mass ratio of 1:1:1. The moisture content of copper lysine is ≤4%, and the particle size is 100% through 100 mesh. The mass content of the active ingredient in the chromium picolinate is ≥99%, the mass content of the chloride is ≤0.03%, and the loss on drying of the chromium picolinate is ≤2%. The particle size of flaxseed meal is 20 mesh.

[0055] The preparation method of the premix that promotes the growth and reproduction of sows in th...

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Abstract

The invention relates to a premix capable of promoting growth and reproduction of sows, as well as a preparation method and an application thereof. In parts by weight, per 1000 parts of the premix capable of promoting growth and reproduction of the sows comprises the following ingredients: 15-30 parts of selenium yeast, 150-200 parts of glycine chelated manganese, 36-50 part of copper lysine, 0.1-0.2 part of chromium picolinate, 1-2 parts of folic acid, 20-80 parts of linseed meal, 50-200 parts of glyceryl butyrate, and the balance carriers. The premix is added into basic daily feeds of the sows in a dosage that the addition amount of the premix is 0.5-1% of the total mass of the basic daily feeds of the sows. Compared with the prior art, the premix disclosed by the invention is capable of effectively improving food intake and milk yield of the sows, as well as satisfying nutrition needs so as to ensure nutrition, healthy development and production performance of the sows and the piglets. The premix promotes growth and breeding of the sows, and improves intestinal immune functions; moreover, the premix improves lactation performance, and reduces weight and back fat loss of the sows in the lactation period. In addition, the premix satisfies macro-element and trace-element needs of the sows in the breeding cycles, as well as improves absorption and utilization rates and reduces pollution to the environment.

Description

technical field [0001] The invention belongs to the technical field of pig breeding, and relates to a premix for promoting the growth and reproduction of sows, a preparation method and application thereof. Background technique [0002] The nutritional and physiological status of sows will directly affect the growth and health of fetuses and newborn piglets. Functional fatty acids are not only necessary for the normal growth and maintenance of metabolism of animals, but also necessary for the synthesis of many biologically active compounds. Supplementation of functional fatty acids in diets is of great significance for optimizing the nutrition, health and performance of sows and piglets. For example, adding oil to sow diets can increase feed intake and intake of essential fatty acids, thereby increasing milk production and milk fat content, improving lactation performance, and reducing body weight and backfat loss during lactation , in preparation for the next reproductive ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K50/30A23K20/20A23K20/142A23K20/174A23K20/158A23K10/30A23K20/00
Inventor 肖丽萍周盛昌李同刚姜文施建成杨伟春周通叶俊标吴有林
Owner ZHANGZHOU AONONG ANIMAL HUSBANDRY TECH
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