INBREEDING EFFECTS ON AVERAGE DAILY GAINS AND KLEIBER RATIOS IN IRANIAN MOGHANI SHEEP

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GHAVI HOSSEIN ZADEH N.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF APPLIED ANIMAL SCIENCE Year:2013 | Volume:3 | Issue:3 Page(s): 545-551

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Information Journal Paper

Title

INBREEDING EFFECTS ON AVERAGE DAILY GAINS AND KLEIBER RATIOS IN IRANIAN MOGHANI SHEEP

Author(s)

GHAVI HOSSEIN ZADEH N. | Issue Writer Certificate

Keywords

AVERAGE DAILY GAIN

FAT TAILED SHEEP

INBREEDING DEPRESSION

KLEIBER RATIO

Abstract

The objective of the present study was to evaluate the effects of inbreeding on AVERAGE DAILY GAINs and KLEIBER RATIOs in Moghani sheep. Traits included AVERAGE DAILY GAIN from birth to 3 months (ADG1), aver-age daily gain from birth to 6 months (ADG2), AVERAGE DAILY GAIN from 3 months to 6 months (ADG3), AVERAGE DAILY GAIN from 3 months to 9 months (ADG4), AVERAGE DAILY GAIN from 3 months to yearling (ADG5) and corresponding KLEIBER RATIOs (KR1, KR2, KR3, KR4 and KR5, respectively). Data and pedigree information used in this study were collected at the Breeding Station of Moghani sheep during 1987-2005. All the animals were grouped into three classes according to the inbreeding coefficients obtained by their pedigree: the first class included non-inbred animals (F=0%); and the second and third classes included inbred animals (0<F£0.10 and F>0.10, respectively). There were significant regression coefficients of ADG5 and KR5 on inbreeding of all lambs for changing 1% inbreeding (P<0.01). Indeed, there were significant regression coefficients of ADG3 (P<0.01) and KR3 (P<0.05) on inbreeding of twin-born lambs for a change of 1% in inbreeding. In addition, there were significant regression coefficients of ADG1 (P<0.05) and ADG5 (P<0.05) on inbreeding of male lambs and significant regression coefficient of ADG2 (P<0.05) on inbreeding of female lambs for a change of 1% in inbreeding. Effects of inbreeding on AVERAGE DAILY GAINs and KLEIBER RATIOs in Moghani sheep was not very pronounced in the flock. Planned matings are, however, suggested to avoid accumulation of inbreeding and appearance of its deleterious effects.

Cites

INBREEDING AND ITS EFFECTS ON BODY WEIGHT, KLEIBER RATIO, BODY MEASUREMENTS, GREASY FLEECE WEIGHT AND REPRODUCTIVE TRAITS OF MAKOOEI SHEEP BREED

References

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APA: Copy

GHAVI HOSSEIN ZADEH, N.. (2013). INBREEDING EFFECTS ON AVERAGE DAILY GAINS AND KLEIBER RATIOS IN IRANIAN MOGHANI SHEEP. IRANIAN JOURNAL OF APPLIED ANIMAL SCIENCE, 3(3), 545-551. SID. https://sid.ir/paper/627316/en

Vancouver: Copy

GHAVI HOSSEIN ZADEH N.. INBREEDING EFFECTS ON AVERAGE DAILY GAINS AND KLEIBER RATIOS IN IRANIAN MOGHANI SHEEP. IRANIAN JOURNAL OF APPLIED ANIMAL SCIENCE[Internet]. 2013;3(3):545-551. Available from: https://sid.ir/paper/627316/en

IEEE: Copy

N. GHAVI HOSSEIN ZADEH, “INBREEDING EFFECTS ON AVERAGE DAILY GAINS AND KLEIBER RATIOS IN IRANIAN MOGHANI SHEEP,” IRANIAN JOURNAL OF APPLIED ANIMAL SCIENCE, vol. 3, no. 3, pp. 545–551, 2013, [Online]. Available: https://sid.ir/paper/627316/en

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