Evaluating Potential Biomarkers of Health and Performance in Veal Calves
نویسندگان
چکیده
منابع مشابه
Iron Management To Improve Color and Performance in Veal Calves
Poor Color Costs the Veal Industry Millions According to the 1998 National Veal Quality Audit, poor color costs the veal industry $10.29 for every calf produced $6 million in 1998! This estimate was based on the cost of commonly occurring dark or very dark carcasses. There are two primary causes of dark color in veal meat: excessive iron supplementation and inadequate ventilation. This article ...
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تعداد 20 رأس میش نژاد نائینی 6+-24 ماهه، با میانگین وزن 2/3-+40 کیلوگرم، همراه با 20 رأس بره های آنها در قالب طرح کاملا تصادفی اثر بتائین و مکمل سولفات بر خصوصیات شیر و پشم و عملکرد بره ها بررسی شد. میش ها بطور تصادفی در چهار تیمار قرار گرفتند. تیمارها عبارت بودند از: 1-گروه شاهد 2-بتائین (05/0 درصد ماده خشک) 3-سولفات (24/0 سولفور درصد ماده خشک 4-بتائین هرماه با سولفات. جیره غذائی طبق nrc با مح...
15 صفحه اولEvaluation of on-farm veal calves' responses to unfamiliar humans and potential influencing factors.
The human-animal relationship is an important component of the welfare of farm animals and for this reason animal responsiveness tests to humans are included in on-farm welfare assessment schemes that provide indicators for this. However, apart from the behaviour of stockpersons towards their animals, other factors may also influence animals' reactivity to humans as observed through behavioural...
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The objective of this study was to investigate the effect of group size on behavior, growth, health, and welfare of veal calves. Holstein-Friesian bull calves (n=168; 44±3 d of age) were assigned randomly to 1 of 3 treatments of group housing with 2, 4, or 8 calves per pen. The pens used for housing were 3 by 1.20 m (2 calves per pen), 3 by 2.40 m (4 calves per pen), and 3 by 4.80 m (8 calves p...
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ژورنال
عنوان ژورنال: Frontiers in Veterinary Science
سال: 2018
ISSN: 2297-1769
DOI: 10.3389/fvets.2018.00133