Taghi Taktaz

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The aim of this study was to detect the virulence factors, serogroups, and antibiotic resistance properties of Shiga toxin-producing Escherichia coli, by using 268 bovine mastitic milk samples which were diagnosed using California Mastitis Test. After E. coli identification, PCR assays were developed for detection of different virulence genes, serogroups,(More)
The aim of this study was to determine the prevalence and risk factors for subclinical endometritis (SE) and its effects on fertility in repeat breeder dairy cows. Dairy cows of parity 1 to 5 that were artificially inseminated (AI) 3 or more times (selected cows were artificially inseminated an average of 3.9 times) were examined at 190 ± 40 days in milk,(More)
To investigate the proportion of normal sperm cells in bovine epididymis, bovine testicles (n = 50), obtained from a local slaughterhouses, epididymides were incised and sperm cells were transferred into slide glasses where eosin nigrosin stain was applied either in the place or in laboratory. When sperm were stained in slaughterhouse, 88% of caput(More)
AIM Bovine ovarian cysts are a common cause of economic loss in modern dairy herds. The objective of the present study was to evaluate the reproductive responses to three protocols using hCG, GnRH and cloprostenol when the definite diagnosis of the type of ovarian cyst is/is not possible in dairy cows. MATERIALS AND METHODS A total of 144 lactating dairy(More)
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