快速通讯：安大略省运输中损失市场猪的死后病变和心脏重量。
Rapid Communication: Postmortem lesions and heart weights of in-transit-loss market pigs in Ontario.
出版信息
J Anim Sci. 2017 Dec;95(12):5532-5536. doi: 10.2527/jas2017.2089.
Abstract
In-transit losses (ITL) of market-weight pigs are defined as pigs that die or pigs that become nonambulatory during loading and shipping from the farm to the abattoir. The low proportion of ITL in market pigs implies that individual pig factors may influence ITL, in addition to commonly considered environmental or transport factors. Postmortem examinations of in-transit-loss pigs ( = 85) from 1 Ontario, Canada, abattoir indicated the cause of death to be acute heart failure as a result of cardiac lesions that developed prior to transport. The presence of preexisting cardiac lesions may explain why no or only a few pigs die in a trailer even when the entire load is exposed to extreme temperatures and other common transport risk factors.
摘要
运输途中损失（ITL）是指在从农场运往屠宰场的过程中死亡或失去行动能力的体重正常的猪。市场猪只 ITL 的低比例意味着，除了通常考虑的环境或运输因素外，个体猪因素也可能影响 ITL。对来自加拿大安大略省 1 个屠宰场的 85 头运输中损失猪（=85）的尸检表明，死亡原因是运输前发生的心脏病变导致的急性心力衰竭。先前存在的心脏病变可能解释了为什么即使整个猪群暴露在极端温度和其他常见运输风险因素下，也没有或只有少数猪死亡。
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