Some aerobic bacterial causes of clinical  mastitis in cows &study some causes of treatment failure

Yousif,; A.A,; W.A.G,; Al-Dulimy,; Al-grabawi,; M.A,

	Some aerobic bacterial causes of clinical mastitis in cows &study some causes of treatment failure
The Iraqi Journal of Veterinary Medicine (IJVM)
Article 12, Volume 32, Issue 1, 2008, Pages 148-165 PDF (0 K)
Authors
; ; ; ; ;
Abstract
The study included 82 clinical mastitic cows (328 quarters) in two dairy cattle stations, 15 cows in the first station in Baghdad and 67 cows in the second station in Babel, Clinical inspection was conducted on cows and it’s udder, milk samples were collected under sterile condition and subjected for physical, chemical & bacteriological examination with antibiotic sensitivity test of the isolated pathogens. The mastitic cows in each station were divided into two groups, the 1st (Treated group) in which cows treated by us and the 2nd (control group) in which cows were treated by the staff of station. After treatment all cows were examined clinically and bacteriologly four times (once 10 days). Swaps from milker’s hands and milking machine were also taken. The results revealed that out of 328examined quarters, 212 quarters were infected (55 quarter in the 1st station and 157 quarter in the 2nd station). The acute form of mastitis represent high percent and the occurance of the disease increased with the advance age. The hind quarters were more frequently affected than fore ones. Staph.aureus was the only isolate from the 1st station, while 14 type of bacteria was isolated from the 2nd station .Staph. aureus & Staph.epidermidis were isolated from milker’s hand,where as Bacillus cereus, Klebsiella pneumoniae . & Pseudomonas aeruginosa & Pasteurella spp. were isolated from teat cups. The mastatic cows in the 1st groups of both station were treated locally & systematically with antibaiotics based on the result of sensitivity test. Both treated groups in the two stations showed highest rate of clinical and bacterial cure while the control groups showed clinical cure only It was conclued form this study that some of the causes of treatment failure could be due to ignorance of field test for detection of early cases of subclinical mastitis, without removal cows with chronic mastitis,occurance of bacterial resistance to many antibiotics due to incorrect uses of these drugs & treatment for many times, in addition to improper disinfection of the udder, or milker’s hands and milking machine, with bad environmental conditions.

Statistics Article View: 35 PDF Download: 17