A Study About Mastitis Infection Characteristics in Dairy Cow of Bavi, Hanoi, Vietnam
Year: 2015
Type: article
Abstract: Objective: The present research was performed to investigate the prevalence of mastitis infection in Bavi, Hanoi, Vietnam, and also to study the relationship between places, seasons, and cow breeds with the disease occurrence. Methods: Mastitis infection was diagnosed by clinical symptoms observation and California mastitis test (CMT). The results of these 2 methods were then analyzed to understand the clinical and subclinical infection. The infected cases were also separated to different places and breeds to analyze the relationship with disease prevalence. In the seasonal investigation, the mastitis infection was diagnosed continuously over 1 year with the aid of farm managers and local veterinarians. Results: Positive infection detected by CMT kits were significantly higher than that of the clinical symptoms diagnose, suggested the involvement of subclinical infection cases, the infection in which no clinical symptoms could be observed. There was no significance difference between places and seasons, however, the occurrence in summer was higher than other seasons. The Holstein Friesian (HF) purebred had significantly higher infection rates compare to crossbreds. In addition, there is a trend of increased percentage of the prevalence of mastitis in higher generations. Conclusion: The prevalence of mastitis in Bavi is lower than other parts of Hanoi and other places in Vietnam. Crossbreds F1HF and F2HF had significantly low sensitivity to mastitis and were recommended for dairy cow husbandry. Summer is the most risky time for mastitis and, therefore,
Authors: Nguyễn Văn Thành, Nguyễn Thanh Hải, Nguyễn Ngọc Sơn, Bui Van Dung, Atsushi Miyamoto
Language: English
Subfield: Animal Science and Zoology
Domain: Life Sciences
Open Access status: diamond
OpenAlex ID: W2992938870