Analysis of water, feed intake and performance of lactating sows
Analysis of water, feed intake and performance of lactating sows
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泌乳母猪饮水、采食量和生产性能分析
DOI：
10.1016/j.livsci.2010.07.002
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发表时间：
2010
影响因子：
1.8
通讯作者：
Krieter
中科院分区：
文献类型：
--
作者：
Traulsen;Krieter
本研究的目的是调查泌乳母猪饮水、采食量、相对体重减轻和仔猪断奶重量之间的关系，并分析饮水和采食量曲线。数据记录于2007年4月至2008年6月在基尔大学动物繁育和畜牧研究所的Hohenschulen研究农场进行。母猪群有105头生产母猪。母猪的平均饮水量和采食量、相对体重损失和仔猪断奶重量分别为27.5lday−1、5.9kgday−1、0.5%和8.7kg。平均哺乳期为26天。哺乳期第 1 天至第 16 天饮水量增加，并保持恒定直至断奶。与年轻和年老母猪相比，二胎级母猪在哺乳期的饮水量有所增加。它们还比老年母猪消耗更多的饲料（6.1kgday−1 vs 5.7kgday−1）。从哺乳开始到第八天，水与饲料的比例下降。稍微增加后，水与饲料的比例保持恒定。哺乳期分为三个阶段（第1阶段：哺乳期第1至8天，第2阶段：第9至16天，第3阶段：第17至26天）。相邻阶段之间的饮水量相关性较高，为0.76和0.80。第 1 阶段和第 2 阶段以及第 1 阶段和第 3 阶段之间的采食量相关性较低。阶段内水和采食量的相关性比这些性状和不同阶段之间的相关性增加更多。但负值表明水摄入量的增加减少了相对体重减轻。泌乳期第二和第三阶段采食量与相对体重损失之间的关系表明，采食量增加使相对体重下降，同时仔猪断奶体重增加。
The aim of the present study was to investigate the relationship between water, feed intake, relative body weight loss, and the weaning weight of piglets of lactating sows and to analyse the curves of water and feed intake. Data recording was performed on the Hohenschulen research farm of the Institute of Animal Breeding and Husbandry of the University of Kiel between April 2007 and June 2008. The sow herd had a size of 105 productive sows. The average water and feed intake, relative body weight loss of sows and the weaning weight of the piglets were 27.5lday−1, 5.9kgday−1, 0.5% and 8.7kg, respectively. Average lactation length was 26days. Water intake increased from day 1 to day 16 of lactation and remained constant until weaning. Second parity class sows had an increased water intake over the lactation period compared to younger and older sows. They also consumed more feed than older sows (6.1kgday−1versus 5.7kgday−1). The water-to-feed ratio decreased at the beginning until day eight of lactation. After a slight increase the water-to-feed ratio remained constant. The lactation period was divided into three stages (Stage 1: days 1 to 8 of lactation, Stage 2: days 9 to 16 and Stage 3: days 17 to 26). The correlation of water intake between adjacent stages was high 0.76 and 0.80. The relation of feed intake between Stages 1 and 2 and between Stages 1 and 3 was low. The correlation of the water and feed intake within the stages increased more than between these traits and different stages. But the negative values indicated that an increased water intake decreased the relative body weight loss. The relation between the second and third stages of feed intake of lactation and relative body weight loss showed that an increased feed intake decreased relative body weight simultaneously with an increase in the weaning weight of the piglets.
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DOI：
--
发表时间：
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