Competitiveness levels in cattle herd farms
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چکیده
منابع مشابه
Morphometric Characteristics of Red Chittagong Cattle in a Nucleus Herd
The present study was undertaken measuring a total of 78 animals of Red Chittagong Cattle (RCC) of different ages and sexes maintained under a USDA funded RCC project at Bangladesh agricultural University (BAU) Dairy Farm, Mymensingh. The experiment was conducted to estimate different body measurements of RCC at different age groups. A total of 12 different age groups at 6 months interval were ...
متن کاملSire x herd interactions for weaning weight in beef cattle.
Weaning weight records of 44,357 Australian Angus calves produced by 1,020 sires in 90 herds were used to evaluate the importance of sire x herd interactions. Models fitted fixed effects of contemporary group (herd-year-date of weighing subclass), sex, calf age, and dam age and random effects of sire or of sire and sire x herd interaction using REML. Effects of standardizing the data, including...
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Clinical sign Detection of virus 2016 Jan 8 2016 Feb 3 D/OK D/NE D/OK D/NE 7754 5 y 6 mo <40 <40 40 40 7761 4 y 5 mo <40 <40 80 80 7764 3 y 11 mo <40 <40 160 80 7765 3 y 10 mo <40 <40 <40 <40 7766 3 y 4 mo <40 <40 160 160 7767 3 y 4 mo <40 <40 80 80 Respiratory illness 7768 3 y 4 mo <40 <40 160 160 Respiratory illness Nasal swab RT-PCR (+) 7769 3 y 3 mo <40 <40 320 320 Respiratory illness 7770 ...
متن کاملReproductive Performance of Red Chittagong Cattle in a Nucleus Herd
The present study was undertaken to estimate the performance of some reproductive traits of Red Chittagong Cattle (RCC) is an important indigenous Farm Animal Genetic Resource of Bangladesh having some efficient reproductive capabilities. The effect of parity on these traits was also studied. The study was conducted in the nucleus herd of RCC Project at Bangladesh Agricultural University (BAU) ...
متن کاملThe frequency of photosensitization in a dairy cattle herd infected by Leptospires
Leptospirosis is a bacterial zoonotic disease, which can induce hepatic lesions. Photosensitization (PS)maybe is the result of accumulation of photodynamic agents in unpigmented area of the skin exposed tosunlight which occurred due to hepatic lesions. An outbreak of leptospirosis was occurred in a dairy cattleherd complex with 760 dairy milking cows in March (1990). Totally, 412 cows (54.21%) ...
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ژورنال
عنوان ژورنال: Ciência Rural
سال: 2014
ISSN: 1678-4596
DOI: 10.1590/0103-8478cr20140401