Indian Journal of Animal Research

  • Chief EditorK.M.L. Pathak

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Indian Journal of Animal Research, volume 50 issue 6 (december 2016) : 1005-1008

Culling pattern of Karan Fries (crossbred) males in an organised herd

Achun Panmei*, Ashok Kumar Gupta, Pushp Raj Shivahre, Mukesh Bhakat, Shakti Kant Dash
1<p>ICAR-National Dairy Research Institute,&nbsp;Karnal-132 001, India.</p>
Cite article:- Panmei* Achun, Gupta Kumar Ashok, Shivahre Raj Pushp, Bhakat Mukesh, Dash Kant Shakti (2016). Culling pattern of Karan Fries (crossbred) males in an organised herd . Indian Journal of Animal Research. 50(6): 1005-1008. doi: 10.18805/ijar.10770.

Information on culling pattern of animals helps in developing effective breeding plans for genetic improvement of the herd. Data on 292 reserved KF males out of 1740 male calves born, spread over a period of sixteen years from 1997 to 2012, were collected based on pedigree performance. The data were analysed using descriptive statistics considering the period of birth, season of birth, genetic group and age group. Study revealed increase in culling percentage with advancement in age. Culling in KF males for the different periods (1997-2000, P-1; 2001-2004, P-2; 2005-2008, P-3 and 2009-2012, P-4) were 75.93, 92.16, 64.44 and 28.26 percent, respectively. Maximum culling  was observed in males born in summer season (76.12%) which could be due to inclement weather conditions exposure in young age and insufficient quality green leguminous fodder in subsequent months. Generally, upto the age of 3 years, culling in KF males were maximum in interbred and minimum in F1 but with advancing age, culling rate was found higher in F1 genetic group KF males where reproductive problems were the main causes. High culling rate in <1.5 yrs age groups was observed due to poor growth (3.42%) while in adult bulls of above 1.5yrs of age, main reasons of culling was surplus (33.22%) followed by poor semen quality (10.27%), poor libido (7.53%), and poor semen freezability (4.45%). It can be concluded that culling pattern study can help in formulation of better management strategy to reduce the problems associated with culling and better economic return for the farm. 

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