Effect Of Breed Parity And Body Condition On Fficacy Of Double And Single Pgf2 Bovine Estrus Synchronization Protocol In Boran And Crossbreed Dairy Cattle In Bishoftu Ethiopia

From January 2017 to June 2018 study was conducted to evaluate efficacy of single and double bovine estrus synchronization in boran and cross breed dairy cattle in Bishoftu, Ethiopia. Estrus Synchronization is one of the reproductive management tools. Failure to detect estrus in timely and accurate manner is a major factor limiting reproductive efficiency. For this different factors may suggested. The current study was conducted with the hypothesis of, breed, parity; body condition score can influence estrus synchronization with the objectives of evaluating estrus response rate of double and single PGF2α, studying estrus characteristics and effect of breed, parity and body condition on the outcomes of single and double PGF2α. Randomized block design were employed, a total of 54 animals’ heifers and cows of local and cross breed were selected, and 36 for double and 18 single PGF2α. Animals were grouped based on treatment, parity, body condition and breed. Insemination was done based on standing to be mounted signs of estrus and pregnancies were diagnosed after 21 days post insemination using ultrasonography. Results of the study showed that an overall estrus response of 72.2% and conception rate were 30%. Body condition of cows/heifers significantly (p

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