Relationship of herd average somatic cell count and spontaneous recovery from subclinical mastitis
نویسندگان
چکیده
منابع مشابه
Relationship of Somatic Cell Count and Mastitis: An Overview
Mastitis is characterized by physical, chemical and bacteriological changes in the milk and pathological changes in the glandular tissue of the udder and affects the quality and quantity of milk. The bacterial contamination of milk from the affected cows render it unfit for human consumption and provides a mechanism of spread of diseases like tuberculosis, sore-throat, Q-fever, brucellosis, lep...
متن کاملEvaluation of somatic cell count thresholds to detect subclinical mastitis in Gyr cows.
The objectives of this study were (1) to determine the sensitivity (Se) and specificity (Sp) of somatic cell count (SCC) thresholds to identify subclinical mastitis in Gyr cows caused by major and minor pathogens; (2) to study the effects of month of sampling, rear or front mammary quarters, herd, intramammary infection (IMI), and bacterial species on SCC at quarter level; and (3) to describe t...
متن کاملan estimation of national average of milk somatic cell count and production losses due to subclinical mastitis in commercial dairy herds in iran
u sing the database of the animal breeding center ofiran and based on the eligible test-day data from 78969 cows in five provinces: tehran (with 44129 cows), ghazvin (6668), zanjan (1767), isfahan (7572), khorasan-e-razavi (14521) and others (4312) the averages of 426850 ± 966840 and 473860 ± 605330 cells/ml of milk somatic cell count (scc) was calculated for individual cows and herds respectiv...
متن کاملHerd and state means for somatic cell count from dairy herd improvement.
To determine the impact of reducing the current legal limit of 750,000 cells/ml for somatic cell count (SCC) in US market milk, data were examined from 539,577 herd test days for Dairy Herd Improvement herds on test during 1996 and 1997. Somatic cell scores for individual cows were converted to SCC. The SCC for each cow was weighted by milk yield and used to compute herd mean on test day. The m...
متن کاملBovine Mastitis Pathogens: Prevalence and Effects on Somatic Cell Count
© 2012 Carrillo-Casas and Miranda-Morales, licensee InTech. This is an open access chapter distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Bovine Mastitis Pathogens: Prevalence and Effects on Somatic Cel...
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ژورنال
عنوان ژورنال: Kansas Agricultural Experiment Station Research Reports
سال: 1985
ISSN: 2378-5977
DOI: 10.4148/2378-5977.3088