畜群管理对在埃及条件下饲养的荷斯坦黑种奶牛乳汁卫生的影响

S. Kaschab, S. Omar, E. Ghoniem, M. Elmzyen
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引用次数: 0

摘要

本试验旨在从体细胞计数(SCC)、标准平板计数(SPC)和电导率(EC)三个指标研究放牧管理方式对奶质的影响。实验工作于2016年在达喀利亚省Gamasa的El-Bayoumi奶牛场进行。管理奶牛胎次、奶牛清洁度评分、放养率、饲喂制度、泌乳阶段、日泌乳量和挤奶班次对牛奶卫生(SCC、SPC和EC)有较高的显著影响,而老牛、脏体奶牛、库存过剩奶牛、冬季和夏季饲喂制度、高产奶牛、早泌和末泌奶牛以及午夜挤奶班次的牛奶质量非常差(体细胞计数高、标准板计数高、电导率高)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
THE IMPACT OF HERD MANAGEMENT ON MILK HYGIENE OF HOLSTEIN FRIESIAN COWS RAISED UNDER EGYPTIAN CONDITIONS
The aim of this study was to investigate the effect of herd management practices on milk quality according to somatic cell count (SCC), standard plate count (SPC) and electrical conductivity (EC). The experimental work was carried out at El-Bayoumi dairy farms in Gamasa, Dakahlia Governorate at 2016. Managing cows parity, cows cleanliness score, stocking rate, feeding regime, stage of lactation, daily milk level and milking shift had a higher significant effect on milk hygiene (SCC, SPC and EC) whereas old cows, dirty body cows, overstocked cows, winter and summer feeding regime, higher yielders cows, early and last lactation cows and mid night milking shift had a very poor quality milk (high in somatic cell count, high in Standard plate count and high in Electrical conductivity.
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