INFLUENCE OF SIRE, SEASON OF BIRTH, PARITY, SEX AND TWINNING ON BIRTH WEIGHT OF HOLSTEIN CALVES

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KHAJE GHIASSI P.; FATHI NASRI M.H.; NIKKHAH A.

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Journal: Year:2006 | Volume:18 | Issue:(69 IN ANIMAL AND FISHERIES SCIENCES) Page(s): 42-46

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Information Journal Paper

Title

INFLUENCE OF SIRE, SEASON OF BIRTH, PARITY, SEX AND TWINNING ON BIRTH WEIGHT OF HOLSTEIN CALVES

Author(s)

KHAJE GHIASSI P. | FATHI NASRI M.H. | NIKKHAH A. | Issue Writer Certificate

Keywords

HOLSTEIN CALVESQ4

SIREQ3

SEASON OF PARTURITIONQ4

PARITYQ4

SEXQ4

TWININGQ4

BIRTH WEIGHTQ4

Abstract

The influence of SIRE, SEASON OF PARTURITION, PARITY, SEX and TWINING on BIRTH WEIGHT of HOLSTEIN CALVES were studied. The data used in this study was obtained from the BIRTH WEIGHT of 1645 calves born during years of 1995 - 2000 in Kenebist dairy farm, Astan e Ghods Razavi. Results showed the effect of SIRE was significant (p<0.0001) and BIRTH WEIGHT in winter was significantly (p<0.0001) higher than Spring, Autumn and Summer (39.9±0.55, 38.31±0.51, 37.66±0.54 and 36.08±0.49 Kg respectively). The BIRTH WEIGHT was increased while the age of dam increased (Until 5th calving). The BIRTH WEIGHT of male calves was significantly (p<0.01) higher than female calves (39.7±0.48 Kg vs 36.27±0.44 Kg, respectively) and single calves had higher weight than twin calves (42.23±0.38 Kg vs 33.75±0.61 Kg, respectively); the difference were significant (p<0.0001). According to these results all of these factors had significant effect on BIRTH WEIGHT of calves and calculating of correction factors for each of them can make the BIRTH WEIGHTs comparable and thus they can be use in selection of the best replacement heifers or breeding bulls.

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APA: Copy

KHAJE GHIASSI, P., FATHI NASRI, M.H., & NIKKHAH, A.. (2006). INFLUENCE OF SIRE, SEASON OF BIRTH, PARITY, SEX AND TWINNING ON BIRTH WEIGHT OF HOLSTEIN CALVES. PAJOUHESH-VA-SAZANDEGI, 18((69 IN ANIMAL AND FISHERIES SCIENCES)), 42-46. SID. https://sid.ir/paper/18864/en

Vancouver: Copy

KHAJE GHIASSI P., FATHI NASRI M.H., NIKKHAH A.. INFLUENCE OF SIRE, SEASON OF BIRTH, PARITY, SEX AND TWINNING ON BIRTH WEIGHT OF HOLSTEIN CALVES. PAJOUHESH-VA-SAZANDEGI[Internet]. 2006;18((69 IN ANIMAL AND FISHERIES SCIENCES)):42-46. Available from: https://sid.ir/paper/18864/en

IEEE: Copy

P. KHAJE GHIASSI, M.H. FATHI NASRI, and A. NIKKHAH, “INFLUENCE OF SIRE, SEASON OF BIRTH, PARITY, SEX AND TWINNING ON BIRTH WEIGHT OF HOLSTEIN CALVES,” PAJOUHESH-VA-SAZANDEGI, vol. 18, no. (69 IN ANIMAL AND FISHERIES SCIENCES), pp. 42–46, 2006, [Online]. Available: https://sid.ir/paper/18864/en

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