MATING SCENARIOS TO REDUCE THE EFFECTS OF RECESSIVE DISORDERS AFFECTING ABORTION IN DAIRY CATTLE BREEDING PROGRAMS

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SALIMI FATEMEH; NEJATI JAVAREMI ARDESHIR; AMINAFSHAR MEHDI; HONARVAR MAHMOOD; JAHANBAKHSHI ABBAS

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Journal: Iranian Journal of Animal Science Year:2015 | Volume:46 | Issue:3 Page(s): 315-324

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Title

MATING SCENARIOS TO REDUCE THE EFFECTS OF RECESSIVE DISORDERS AFFECTING ABORTION IN DAIRY CATTLE BREEDING PROGRAMS

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Keywords

DAIRY CATTLEQ2

HAPLOTYPEQ2

HOMOZYGOTEQ2

RECESSIVE GENETIC DISORDERSQ2

Abstract

In this research, two mating schemes for the management of RECESSIVE GENETIC DISORDERS affecting abortion in a DAIRY CATTLE population were simulated. The first mating scheme was performed under three different scenarios: 1. The mating of a pair of two carriers of the same lethal HAPLOTYPE was avoided. 2. It was avoided matings in which the service sires and cow's sire carried the same lethal HAPLOTYPEs. 3. It was avoided matings in which the service sires and cow's sire or maternal grandsire carried the same lethal HAPLOTYPEs. In the second mating scheme, matings were done randomly. The mating schemes were developed for 20-year time horizon. Similar genetic trend was observed for lifetime net merit in the three scenarios and the second mating scheme over time. The highest and the lowest cost belonged to the first and third scenario, respectively. In the second mating scheme, on average 22 cases of abortion due to the lethal HAPLOTYPEs were occurred for an average 2290 matings per year. In the first scenario, no case of abortion resulting from the lethal HAPLOTYPEs was observed. In the second and third scenario the approximate number of abortions for an average 2290 matings per year was 10 and 4 cases, respectively. The results of this study showed that in the current situation the third scenario with the lowest cost and less animal losses is suitable option for management of recessive disorders affecting abortion in DAIRY CATTLE population.

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APA: Copy

SALIMI, FATEMEH, NEJATI JAVAREMI, ARDESHIR, AMINAFSHAR, MEHDI, HONARVAR, MAHMOOD, & JAHANBAKHSHI, ABBAS. (2015). MATING SCENARIOS TO REDUCE THE EFFECTS OF RECESSIVE DISORDERS AFFECTING ABORTION IN DAIRY CATTLE BREEDING PROGRAMS. IRANIAN JOURNAL OF ANIMAL SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 46(3), 315-324. SID. https://sid.ir/paper/193681/en

Vancouver: Copy

SALIMI FATEMEH, NEJATI JAVAREMI ARDESHIR, AMINAFSHAR MEHDI, HONARVAR MAHMOOD, JAHANBAKHSHI ABBAS. MATING SCENARIOS TO REDUCE THE EFFECTS OF RECESSIVE DISORDERS AFFECTING ABORTION IN DAIRY CATTLE BREEDING PROGRAMS. IRANIAN JOURNAL OF ANIMAL SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2015;46(3):315-324. Available from: https://sid.ir/paper/193681/en

IEEE: Copy

FATEMEH SALIMI, ARDESHIR NEJATI JAVAREMI, MEHDI AMINAFSHAR, MAHMOOD HONARVAR, and ABBAS JAHANBAKHSHI, “MATING SCENARIOS TO REDUCE THE EFFECTS OF RECESSIVE DISORDERS AFFECTING ABORTION IN DAIRY CATTLE BREEDING PROGRAMS,” IRANIAN JOURNAL OF ANIMAL SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 46, no. 3, pp. 315–324, 2015, [Online]. Available: https://sid.ir/paper/193681/en

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