后部的脉冲率增加减少了机器启动时间和在空乳头上奶的时间
Patricia Fürst1, Moritz Affentranger1, Carl Oskar Paulrud2
1Veterinary Physiology, Vetsuisse Faculty, University of Bern, 3001 Bern, Switzerland.
Journal of dairy science
|September 29, 2024
概括
增加乳牛后面乳四分之一的脉动比率可以提高奶牛的效率. 这种调整可以减少机器启动时间和在空前乳头上奶,而不会对乳头组织产生负面影响.
科学领域:
- 乳制品科学 乳制品科学
- 动物养殖 动物养殖
- 奶制技术 奶制技术
背景情况:
- 奶牛通常在后面的乳腺区储存更多的牛奶,而不是前面的乳腺区.
- 传统的机器奶通常会导致乳汁在前方更早停止流动,从而导致在空乳房上奶.
研究的目的:
- 为了测试后四分之一的脉冲比率是否增加,减少了空前乳房的挤奶和机器启动时间.
- 评估不同周期性真空波动幅度 (同时脉冲与交替脉冲) 对奶特性的影响.
主要方法:
- 十头荷尔斯坦奶牛在后方的乳房中用不同的脉动比率 (65:35到80:20) 进行了挤奶,而前方的乳房保持了65:35.
- 记录了牛奶流量,爪子真空,口腔腔真空和乳腺组织厚度.
- 同时与交替脉冲在四分之一内也进行了比较.
主要成果:
- 增加后四分之一脉动比率显著减少了机器启动时间,并增加了峰值和平均牛奶流量.
- 在空前乳房减少了对空前乳房的哺乳,但没有影响总乳量或乳房组织厚度.
- 同时脉冲导致了更高的真空波动幅度,但与交替脉冲相比,在挤奶特性上没有差异.
结论:
- 后面乳房四分之一的脉冲比率增加提高了奶制性能和效率.
- 这种调整减少了机器启动时间,并最大限度地减少了在空乳头上奶,为乳制品运营提供了实际的好处.
- 脉冲设置可以优化,以改善哺乳结果,而不会对乳房健康产生不良影响.
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