Evaluation of Medicinal infusions signs in cattle slaughtered at the abattoir Sari

Summary: Today, Antibiotics are mainly used to treat and also stimulate the growth of livestock in the diet. In the event of uncontrolled consumption of drugs especially antibiotics and lack of observance Contraception time (Withdrawal time), Causes harmful effects such as: Bacterial resistance, allergic reactions, poisoning, Carcinogenicity and disturb the natural microflora of the intestines in the body of the consumer. This study was conducted to determine the rate of injection of drugs and its effects on cows' carcasses. This study is descriptive-cross sectional. Within six months, From June to December 2016, a total of 8630 cow carcasses were surveyed from Sari industrial slaughterhouse. For this purpose, carcasses were examined (Effects of Injection, Smell the drug odor) daily at the slaughterhouse. Of the 8630 carcasses examined, 1,500 carcasses (17.38 %) had injectable effects. The results of the research show that there the difference between males and females in terms of the effects of drug injections is statistically significant in both summer and autumn (P‹0.05).But between summer and autumn, the difference is not statistically significant(P›0.05).