Effect of Dietary Lysine Content on Reproductive Performance, Serum Biochemistry and Excretion Nitrogen of Sows in Late Gestation Stage

FANG Gui-you; LIU Jing; QIU Hua-ling; DONG Zhi-yan

doi:10.19303/j.issn.1008-0384.2020.03.003

Volume 35 Issue 3

Mar. 2020

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Article Navigation > Fujian Journal of Agricultural Sciences > 2020 > 35(3): 260-265

FANG G Y, LIU J, QIU H L, et al. Effect of Dietary Lysine Content on Reproductive Performance, Serum Biochemistry and Excretion Nitrogen of Sows in Late Gestation Stage [J]. Fujian Journal of Agricultural Sciences，2020，35（3）：260−265 doi: 10.19303/j.issn.1008-0384.2020.03.003

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FANG G Y, LIU J, QIU H L, et al. Effect of Dietary Lysine Content on Reproductive Performance, Serum Biochemistry and Excretion Nitrogen of Sows in Late Gestation Stage [J]. Fujian Journal of Agricultural Sciences，2020，35（3）：260−265 doi: 10.19303/j.issn.1008-0384.2020.03.003

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Effect of Dietary Lysine Content on Reproductive Performance, Serum Biochemistry and Excretion Nitrogen of Sows in Late Gestation Stage

doi: 10.19303/j.issn.1008-0384.2020.03.003

Institute of Animal Husbandry and Veterinary Medicine, Fujian Academy of Agriculture Sciences, Fuzhou, Fujian　350013, China

Received Date: 2019-09-03
Rev Recd Date: 2019-11-20
Publish Date: 2020-03-01

Abstract

Abstract

Objective Effects of lysine content in diet on the reproductive performance, serum biochemistry, and excretion nitrogen of sows in late gestation stage were determined. Method A total of 64 healthy, pregnant, crossbred sows (Large White×Landrace) with 3–7 parities and a similar parturition date was randomly divided into 4 groups. Each group consisting of 16 replicates and one reference sow were fed with forage containing a digestible lysine level at 0.58%, 0.63%, 0.68% or 0.73%. Feeding the experimental diet on the sows started at the 80^th day after artificial insemination and finished after farrowing. Result The weight of newly born litters in the 0.63% lysine group was significantly higher than that in the 0.58% group by 8.26%, and that in the 0.73% group by 7.87% (P＜0.05). The piglets at birth weighed significantly higher in the 0.63% group than the 0.58% group by 5.84% (P＜0.05). In the 0.63% group, the serum urea nitrogen was significantly lower than either the 0.58%, 0.68% or 0.73% group; the insulin significantly higher than the 0.58% or the 0.73% group; the serum lysine and threonine significantly lower than the 0.58% or the 0.73% group; the leucine and isoleucine significantly lower than the 0.73% group; the crude protein digestibility significantly higher than the 0.73% group; and, the excretion nitrogen significantly lower than the 0.68% or the 0.73% group. Conclusion When the sows were fed at late gestation stage with a diet that contained 0.63% digestible lysine, an improved reproductive performance in them could be expected.
- sow in late gestation stage,
- lysine,
- reproductive performance,
- serum biochemistry,
- excretion nitrogen

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References(25)

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