• 主题
高级搜索  >
历史搜索 清空历史
首页> 美国卫生研究院文献>Journal of Animal Science >PSIX-20 Sow behavior heart rate and cortisol responses to a novel piglet crushing prevention technology to reduce pre-weaning mortality.
【2h】

PSIX-20 Sow behavior heart rate and cortisol responses to a novel piglet crushing prevention technology to reduce pre-weaning mortality.

机译：PSIX-20母猪的行为心率和皮质醇对新型的仔猪压碎预防技术的反应可降低断奶前死亡率。

代理获取
本网站仅为用户提供外文OA文献查询和代理获取服务，本网站没有原文。下单后我们将采用程序或人工为您竭诚获取高质量的原文，但由于OA文献来源多样且变更频繁，仍可能出现获取不到、文献不完整或与标题不符等情况，如果获取不到我们将提供退款服务。请知悉。
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Conventionally, if a sow is crushing her piglet, she is manually motivated to stand (hand-slap; CONV); therefore, ECHO (SwineTech) was invented to automatically motivate standing. ECHO automatically detects a distress-call and stimulates the sow with vibration (VIB). If she does not stand, ECHO emits an electrical impulse (EI). Objective was to compare sow behavior, heart rate (HR), and cortisol responses to VIB (n=17), CONV (3 hand-slaps on loin area; n=18), or EI (VIB+EI; n=21). Sows were treated among 6 sessions relative to farrowing (2 sessions on days 1–2; 1 session on days 3–4 ± 1.4 SD). A distress-squeal of a piglet was played during each session. Two trained observers collected behavior-frequencies during each session (i.e. lie, sit, stand, oral-nasal-facial behaviors, grunt, squeal, bark, bite, jump); a weighted stress-index was calculated from behavior data (STRESS-BEH). Heart rate was automatically collected during each session (H10; Polar USA, Warminster, PA). To measure circadian-cortisol, 2 blood-samples (0600 and 1630 h; ear-venipuncture) were collected on days 1, 4, 5, 7, and 9 relative to farrowing. To measure acute response-cortisol, blood samples were collected before and after the first and last session. Overall, CONV-sows had less ( <0.001) STRESS-BEH than ECHO-sows, and VIB-sows displayed the least STRESS-BEH (VIB=6.5, CONV=28.2, EI=42.0 ± 2.5 %SEM). There were no treatment*time effects for circadian- and acute response-cortisol concentrations ( >0.10). VIB-sows tended ( =0.090) to have the lowest minimum-HR, but CONV- and EI-sows had similar minimum-HR (VIB=88, CONV=99, EI =101 ± 5.8 bpm SEM). Similarly, EI- and CONV-sow HR tended ( =0.071) to take longer to return to pre-treatment measures during lying than VIB-sows (VIB=8.75, CONV=11.4, ECHO=15 ± 2.45 min SEM). EI was the most effective method at motivating sows to stand during distress-calls, but it caused the most stress-related behaviors. However, physiological data suggest that CONV-methods were equally as stressful as ECHO-methods.
机译：按照惯例，如果母猪将其仔猪压碎，则需要人工激励她站立（拍手； CONV）；因此，发明了ECHO（SwineTech）来自动激发站立感。 ECHO自动检测遇险呼叫并通过振动（VIB）刺激母猪。如果她不站立，则ECHO会发出电脉冲（EI）。目的是比较母猪的行为，心率（HR）和皮质醇对VIB（n = 17），CONV（腰部区域拍打3次； n = 18）或EI（VIB + EI; n = 21）的反应。相对于分娩，母猪进行了6次治疗（1-2天为2次； 3-4天为1次±1.4 SD）。在每节比赛中播放小猪的求救信号。两名训练有素的观察员在每次训练期间收集行为频率（即躺，坐，站，口鼻面部行为，咕gr声，尖叫声，树皮，咬伤，跳跃）;根据行为数据（STRESS-BEH）计算加权应力指数。在每个疗程期间（H10； Polar USA，Warminster，PA）自动收集心率。为了测量昼夜皮质醇，相对于分娩，在第1、4、5、7和9天收集了2个血液样本（0600和1630 h；耳静脉穿刺）。为了测量急性反应皮质醇，在第一个和最后一个疗程之前和之后收集血液样本。总体而言，CONV母猪的STRESS-BEH小于（ECHO）母猪（<0.001），VIB母猪的STRESS-BEH最少（VIB = 6.5，CONV = 28.2，EI = 42.0±2.5％SEM）。昼夜节律和急性反应皮质醇浓度（> 0.10）没有治疗*时间效应。 VIB母猪的最低HR趋于最低（= 0.090），但是CONV和EI母猪的最低HR相似（VIB = 88，CONV = 99，EI = 101±5.8 bpm SEM）。同样，EI和CONV母猪的卧床时间（= 0.071）比VIB母猪（VIB = 8.75，CONV = 11.4，ECHO = 15±2.45分钟SEM）花费更长的时间才能恢复到治疗前的状态。 EI是激励母猪在遇险电话中站立的最有效方法，但它引起了与压力有关的行为。但是，生理数据表明，CONV方法与ECHO方法同样具有压力。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
代理获取

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号