Indian Journal of Animal Research

  • Chief EditorK.M.L. Pathak

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Indian Journal of Animal Research, volume 38 issue 1 (january to june 2004) : 41- 43

FERTILITY STATUS OF FRIESWALCOWS AND HEIFERS IN AN ORGANIZED HERD

D.K. Mandai, S. Tyagi, Kripal Singh
1Project Directorate on Cattle, Grass Farm Road, P. B. No 17, Meerut Cantt, Uttar Prade~h· 250 001, India
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Cite article:- Mandai D.K., Tyagi S., Singh Kripal (2024). FERTILITY STATUS OF FRIESWALCOWS AND HEIFERS IN AN ORGANIZED HERD. Indian Journal of Animal Research. 38(1): 41- 43. doi: .
Study was conducted on Holstein Friesian (HF) × Sahiwal crossbred cows and heifers during 1998–1999. Crossbred cows and heifers were categorized into two groups viz., ‘Frieswal’ (5/8 HF inheritance) and ‘other crosses’ (having other than 5/8 HF inheritance). The overall herd fertility of cows and heifers was 34.01±1.11 and 34.80±1.22 per cent, respectively. Seasons significantly (P0.05) influenced the herd fertility of both cows and heifers. Herd fertility of ‘Frieswal’ cows and heifers ranged from 33.26±6.39 to 39.25±1.51 and 32.46±1.45 to 37.72±2.76 percent, respectively in various seasons. The corresponding values in ‘other crosses’ were 30.80±1.48 to 45.08±2.17 and 29.58±3.65 to 39.41±1.39, respectively. Both in Frieswal and other crosses cows herd frtility per cent was the highest during summer and lowest during winter seasons
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