Article Abstract

Volume 17, No. (3-4), 2007 (December)
REPRODUCTIVE PERFORMANCE OF INDIGENOUS COWS OF AZAD KASHMIR
Z. H. Kuthu, K. Javed and N. Ahmad

Z. H. Kuthu, K. Javed and N. Ahmad

Livestock Development Research Centre, Raroo, Muzaffarabad, Azad Kashmir.
1 Department of Livestock Production, UVAS, Lahore.

Corresponding Author: NA
DOI: NA
Page Number(s): 1989-1998
Published Online First: August 01, 2007
Publication Date: August 01, 2007
ABSTRACT

Data on 197 breeding records of 60 indigenous (Non-descript) cows maintained at Livestock Development Research Centre Raroo, Muzaffarabad, Azad Kashmir, Pakistan from 1989-1998 were analyzed to evaluate their performance with respect to some economically important reproductive traits. The least squares mean for age at first calving in present study was 1632.65+54.52 days with a C.V 13.04%. The analysis of variance revealed a significant (P<0.05) effect of season and year of birth on age at first calving. The least squares mean for post partum oestrus interval was 145.42+98.72 days with a C.V 89.43%. The analysis of variance revealed a non-significant effect of season and year of calving on post partum oestrus interval. The least squares mean for service period was l67.82+95.99 days with a C.V 76.42%. There was a non-significant effect of season of calving on service period but the effect of year of calving was significant (P<0.01). The least squares mean for calving interval in present study was 471.26+89.34 days with a C.V 23.84%. There was a non-significant effect of season of calving on calving interval, whereas the effect of year of calving was significant (P<0.01). Parity had a non-significant effect on post-partum oestrus interval, service period and calving interval in this study.

Keywords: Age at first calving, post partum oestrous interval, service period, indigenous cows
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Print ISSN: 1018-7081

Electronic ISSN: 2309-8694

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