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A Lactation Mixed Group Model for Reducing Weaning Stress in Piglets

A piglet weaning and lactation period technology, applied in the field of animal husbandry, can solve the problems that limit the quality and efficiency of the pig industry, and affect the production efficiency of the pig industry.

Active Publication Date: 2020-06-23
天津市农业科学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] To sum up, the existing mode of transferring immediately after weaning to mixed groups has seriously affected the production efficiency of the pig industry, and has become a bottleneck restricting the quality and efficiency of the pig industry.

Method used

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  • A Lactation Mixed Group Model for Reducing Weaning Stress in Piglets
  • A Lactation Mixed Group Model for Reducing Weaning Stress in Piglets
  • A Lactation Mixed Group Model for Reducing Weaning Stress in Piglets

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] Immediately after the weaning of piglets at the age of 28 days, the transfer mode is changed to the mode of the present invention. The specific implementation is as follows: when the Du Chang three-way hybrid piglets were 10 days old, the adjacent two litters were freely mixed; The litters of piglets are transferred to the same nursery pen and are no longer mixed. The results showed that the fighting phenomenon of piglets was significantly reduced within 24 hours after transfer, and the degree of skin damage of piglets decreased. Feed intake increased within 24 hours of group transfer, diarrhea decreased after group transfer, and daily gain and feed remuneration of piglets increased significantly.

Embodiment 2

[0064] Immediately after the weaning of piglets at the age of 28 days, the transfer mode is changed to the mode of the present invention. The specific implementation is as follows: when the Du Chang three-way hybrid piglets were 15 days old, the adjacent two litters were freely mixed; The litters of piglets are transferred to the same nursery pen and are no longer mixed. The results showed that the diarrhea rate of piglets was significantly reduced, serum immunity and antioxidant capacity were increased; fighting and tail biting were reduced; feed intake and daily gain were increased; uniformity was significantly improved.

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Abstract

The invention discloses a lactation-period group mixing mode reducing piglet weaning stress. The mode is characterized in that during lactation (10-15 days), two adjacent litters of healthy piglets are mixed into one group freely; during weaning (25-28 days), sows get off obstetric tables, piglets stay on the obstetric tables to be raised continuously for 5-7 days and then transferred to another group; when the piglets are transferred to another group, the two litters of the piglets which are mixed into one group are transferred to the same nursing pen, and group mixing is not conducted any more. The mode has the advantages that the piglets are mixed into one group during lactation, the biological characteristic of gregariousness of the piglets is met, the immunity and antioxidant capacity of the piglets are improved, the stress of group transferring after weaning is reduced, and the growing performance of the piglets is improved.

Description

technical field [0001] The invention relates to the technical field of animal husbandry and breeding, and relates to a mixed group mode during lactation that is specially used for piglet breeding and can solve the large production stress of piglets during weaning. Specifically, a lactation mixed-group pattern that reduces weaning stress in piglets. Background technique [0002] Modern pig production pursues high production efficiency, and early weaning technology for piglets has been widely used. However, in the initial stage after weaning, piglets are subject to sudden separation from sows, transportation, capture, feed changes, mixing with other piglets they do not know, physical Changes in the environment, increased exposure to pathogens, environmental antigens and many other stresses to which piglets must adapt quickly. When piglets fail to adapt to these stresses it results in reduced performance and higher mortality. At present, in my country's pig production, the mo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/02
CPCA01K67/02
Inventor 穆淑琴王文杰闫峻马墉郑梓李平李宁李千军李泽青
Owner 天津市农业科学院
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