Effect of flunixin meglumine and aspirin administration on conception rate and estrous cycle characteristics of Egyptian
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Effect of flunixin meglumine and aspirin administration on conception rate and estrous cycle characteristics of Egyptian Baladi cows during hot season Ahmed Ismail Damarany 1 & Nasser Ghanem 2 Received: 7 August 2019 / Accepted: 1 June 2020 # Springer Nature B.V. 2020
Abstract The current investigation aims to evaluate the effects of flunixin meglumine (FM) and aspirin as non-steroid anti-inflammatory drug (NSAID) administration on estrous cycles characteristics and conception rate of Egyptian Baladi cows during hot season. In the first phase, 30 cows were divided into 3 groups, 10 cows for each treatment. The first group was treated with FM at the rate of 1.1 mg/kg body weight (BW) intramuscular, while the second group was administrated aspirin solution orally at the rate of 50 mg/kg BW. The third group was assigned as control (CG) that has no treatment. The FM group was administrated on day 14 after mating, while aspirin was given on day 14 and day 15 post-mating. All cows were mated naturally after showing estrus signs. Pregnancy diagnosis was carried 60 days after mating by rectal palpation. In the second phase, cows were monitored for estrus behavior by visual observation twice a day. The length of normal estrous cycles was 20, 23, and 22 days in cows treated with FM, aspirin, and control cows, respectively. There was no significant effect of treatment on the length of normal estrous cycles in Egyptian cows (P < 0.05). Proportions of long cycles in Egyptian cows that treated with FM or aspirin and control were 75, 67.7, and 57.1%, respectively. Short cycles were completely absent in cows that treated with FM or aspirin, but it was 29% in CG. Mounting behavior and tail rising were not detected in CG compared to 0 and 33% in FM or 25 and 33% in aspirin treated cows, respectively. Conception or pregnancy rate were 60, 40, and 30%, respectively, in FM, aspirin treated, and CG. Treatment cows whether FM or aspirin group did not influence (P < 0.05) progesterone concentration during the 14 days and 21 days from estrous cycle in pregnant and non-pregnant Egyptian Baladi cows than CG. In conclusion, the results of this study clearly indicated beneficial effect of FM and aspirin administration on intense of displayed estrous behavior and conception rate of Egyptian Baladi cows during the hot season. Keywords Flunixin meglumine . Aspirin . Conception rate . Egyptian Baladi cows
Introduction Embryonic loss considered as one of the most important problems in dairy cows that has an impact on the economic return of cattle breeding. Therefore, research efforts should be focused on minimizing embryonic losses by finding possible treatment, which is essential for
* Ahmed Ismail Damarany [email protected] 1
Department of Animal and Poultry Production Faculty of Agriculture and Natural Resources, Aswan University, Aswan, Egypt
2
Department of Animal Production, Faculty of Agriculture, Cairo University, Giza, Egypt
viability of dairy farms. Early research work confirmed incidence of embryonic loss for
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