妊娠期母猪繁殖性能与体重变化的相关性研究

IF 2.7 3区农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Journal of Animal Science and Technology Pub Date : 2023-10-04 DOI:10.5187/jast.2023.e105

Sang Hun Ha, Yo Han Choi, Jun Young Mun, Se Rin Park, Elick Kinara, Hyun Ju Park, Jun Seon Hong, Yong Min Kim, Jin Soo Kim

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引用次数: 0

摘要

本试验研究了35-70、70-105和35-105妊娠期仔猪生产性能与母猪体重变化(BWC)的相关性。研究了70头母猪的体重变化(BWC)、背膘厚度变化(BFC)、卡尺评分变化(CALC)、采食量和断奶至发情间隔(WEI)。然后根据两个指定的时间段对收集的数据进行分析。研究结果表明，仔猪初生重、断奶重和平均日增重(ADG)与母猪身体特征(包括BFC和CALC)相关，其中与BWC相关性最强。仔猪死亡率与BFC密切相关。仔猪初生重、断奶重和平均日增重与母猪体重呈显著正相关，尤其是在35 ~ 70 d期间。此外，母猪在70-105天的体重增加较高，在35-70天的体重增加也较高，仔猪增重较大，断奶重也较高。随着时间的推移，这些趋势变得更加明显

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Correlation between reproductive performance and sow body weight change during gestation

This study investigated the correlation between piglet performance and sow body weight change (BWC) during two gestational periods: 35-70, 70-105, and 35-105 days. A cohort of 70 sows was evaluated for body weight change (BWC), backfat thickness change (BFC), caliper score change (CALC), feed intake, and weaning-to-estrus interval (WEI). The collected data were then analyzed according to the two specified periods. Our findings highlighted that piglet birth weight, weaning weight, and average daily weight gain (ADG) correlated with sow body characteristics, including BFC and CALC. The strongest correlation was observed with BWC. Piglet mortality was intimately associated with BFC. Piglet birth weight, weaning weight, and ADG showed a positive correlation with sow BWC, particularly during the 35-70 day period. Furthermore, sows displaying a higher BWC during the 70-105 day period, and also exhibiting a higher BW gain from 35-70 days, registered greater piglet weight gains and higher weaning weights. These trends became more apparent as the sow

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来源期刊

Journal of Animal Science and Technology Agricultural and Biological Sciences-Food Science

CiteScore

4.50

自引率

8.70%

发文量

审稿时长

7 weeks

期刊介绍： Journal of Animal Science and Technology (J. Anim. Sci. Technol. or JAST) is a peer-reviewed, open access journal publishing original research, review articles and notes in all fields of animal science. Topics covered by the journal include: genetics and breeding, physiology, nutrition of monogastric animals, nutrition of ruminants, animal products (milk, meat, eggs and their by-products) and their processing, grasslands and roughages, livestock environment, animal biotechnology, animal behavior and welfare. Articles generally report research involving beef cattle, dairy cattle, pigs, companion animals, goats, horses, and sheep. However, studies involving other farm animals, aquatic and wildlife species, and laboratory animal species that address fundamental questions related to livestock and companion animal biology will also be considered for publication. The Journal of Animal Science and Technology (J. Anim. Technol. or JAST) has been the official journal of The Korean Society of Animal Science and Technology (KSAST) since 2000, formerly known as The Korean Journal of Animal Sciences (launched in 1956).