Incidence and occurrence time of clinical mastitis in Holstein cows
نویسندگان
چکیده
* Correspondence: [email protected]
منابع مشابه
Relationship between season, lactation number and incidence of clinical mastitis in different stages of lactation in a Holstein dairy farm
The aim of the present study was to compare the occurrence and duration of clinical mastitis in different seasons, stages of lactation period and parities in a Holstein dairy farm in Iran. A retrospective epidemiological survey from April 2005 to March 2008 was conducted on 884 clinical mastitis cases of 7437 lactations. Data of each case including calendar-date of mastitis onset, days in milk ...
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This study utilized daily records of 2000 Egyptian Holstein dairy cows. The productive, reproductive and economic data during a whole lactation season were recorded for healthy and mastitis cows. Two risk factors for mastitis were included, parity and season of calving. Mastitis cows had significant (P
متن کاملEvaluation of Mastitis Impact on Lameness and Digital Lesions in Dairy Cows
AbstractObjective: This current study was done to find any correlation between clinical mastitis and lameness occurrence and incidence in dairy farms.Design: This prospective field trial was done on a case control study basis. Cows were divided into two mastitis and control group and lameness recorded and compared in both groups.Procedures: This current study was done during 9...
متن کاملRelationship between season, lactation number and incidence of clinical mastitis in different stages of lactation in a Holstein dairy farm
The aim of the present study was to compare the occurrence and duration of clinical mastitis in different seasons, stages of lactation period and parities in a Holstein dairy farm in Iran. A retrospective epidemiological survey from April 2005 to March 2008 was conducted on 884 clinical mastitis cases of 7437 lactations. Data of each case including calendar-date of mastitis onset, days in milk ...
متن کاملAssociation of toll-like receptors 2 and 6 polymorphism with clinical mastitis and production traits in Holstein cattle
Mastitis is a costly disease of dairy cattle as it causes a loss in milk yield and milk quality in affected cows. Toll-like receptor (TLR) genes play a role in the host response to a variety of organisms including those inducing mastitis. In the present study, we investigated the polymorphism of TLR2, 4, 6 and 9 genes in Holstein cattle and ...
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تاریخ انتشار 2014