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Information Journal Paper

Title

Evaluating economic losses associated with delayed conception in dairy cows

Pages

  151-158

Abstract

 The objective of this study was to consider economic consequence of delayed conception of milking cows in large dairy farms in Iran. Optimum open days and milk production at peak were assumed to be 110 days and 45 kg respectively. Price of milk, feed, semen and hormones were calculated based on average prices of autumn, 2013. Results of this study showed that increasing days in milk (DIM) from 110 to 170 has doubled costs of sperm and veterinary hormones. Delaying of each day of conception in cows with 45 kg of milk production at peak, during first; second, third and fourth estrous cycle beyond the optimum days open (110 d) cause economic losses of 308503, 572818, 812689 and 1013331 Rials, respectively. feed costs compromise 54. 7 to 56. 6 percent of the loss, and any one percent change in feed price will directly cause 0. 55 percent changes of the loss.

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    • Cite

    APA: Copy

    Rezaee Roodbari, Ali, KOHRAM, HAMID, & Dirandeh, Isa. (2015). Evaluating economic losses associated with delayed conception in dairy cows. IRANIAN JOURNAL OF ANIMAL SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 46(2 ), 151-158. SID. https://sid.ir/paper/193698/en

    Vancouver: Copy

    Rezaee Roodbari Ali, KOHRAM HAMID, Dirandeh Isa. Evaluating economic losses associated with delayed conception in dairy cows. IRANIAN JOURNAL OF ANIMAL SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2015;46(2 ):151-158. Available from: https://sid.ir/paper/193698/en

    IEEE: Copy

    Ali Rezaee Roodbari, HAMID KOHRAM, and Isa Dirandeh, “Evaluating economic losses associated with delayed conception in dairy cows,” IRANIAN JOURNAL OF ANIMAL SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 46, no. 2 , pp. 151–158, 2015, [Online]. Available: https://sid.ir/paper/193698/en

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