去角镇痛对犊牛断奶日增重的影响

doi:10.12377/1671-4393.24.12.08

摘要/Abstract

摘要： [目的] 犊牛去角在现代化奶牛养殖系统已成为必需操作流程,但去角给犊牛带来剧烈疼痛、应激,表现为犊牛因疼痛剧烈挣扎、不断甩头、摆动耳朵、采食量下降,同时诱导犊牛分泌炎症介质,可能影响未来生长发育和产奶性能。[方法] 本试验用美洛昔康注射液在犊牛去角时镇痛,并设立空白对照,统计断奶日增重差异。[结果] 试验组（美洛昔康组,984 g）比对照组（生理盐水组,932 g）平均断奶日增重高51 g（P<0.01）。[结论] 犊牛去角时配合美洛昔康镇痛,有利于提高断奶日增重。

关键词: 犊牛, 去角, 动物福利, 美洛昔康

Abstract: [Objective] Calf disbudding has become a necessary operation process in modern dairy farming systems,but disbudding can cause severe pain and stress in calves,manifested as intense struggle,head shaking,ear swinging,decreased feed intake,and can also induce the secretion of inflammatory mediators which may affect their future growth,development and milk production. [Method] In this experiment,meloxicam injection is used for analgesia in calves during disbudding,and a blank control was set up to calculate the difference in daily weight gain after weaning. [Result] The experimental group（meloxicam group,984 g） had an average weaning daily weight gain increase of 51 g（P<0.01） compared to the control group（saline group,932 g）. [Conclusion] The use of meloxicam for analgesia during disbudding in calves is beneficial for increasing daily weight gain after weaning.

Key words: calf, disbudding, animal welfare, meloxicam

白井岩, 杨旭, 张志宏. 去角镇痛对犊牛断奶日增重的影响[J]. 中国乳业, 2024, 0(12): 47-50.

BAI Jingyan, YANG Xu, ZHANG Zhihong. Influence of Disbudding Analgesia on Calf Daily Weight Gain After Weaning[J]. China Dairy, 2024, 0(12): 47-50.

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