Indian Journal of Animal Research

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Research Article

Indian Journal of Animal Research, volume 51 issue 4 (august 2017) : 798-800

Growth and litter traits in crossbred pigs across the non-genetic factors

B. C. Naha, G. K. Gaur, B. H. M. Patel, N. R. Sahoo.
1<p>Livestock Production and Management, ICAR- Indian Veterinary Research Institute, Izatnagar, Bareilly-243 122, U.P India</p>
Cite article:- Naha C. B., Gaur K. G., Patel M. H. B., Sahoo. R. N. (2017). Growth and litter traits in crossbred pigs across the non-genetic factors . Indian Journal of Animal Research. 51(4): 798-800. doi: 10.18805/ijar.v0iOF.8500.

ABSTRACT

Records of 195 crossbred pigs (75 % Landrace + 25% Desi ), raised over a period of 2 years from 2014 to 2015, maintained at the Livestock Production Research (Pigs), Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh were used in this study to determine the effect of various environmental factors on growth and litter traits. Growth was recorded in terms of body weight at birth and thereafter at weekly interval up to 8 wks and then at 12, 16, 20 and 24 weeks of age. Generation interval had a significant effect on body weights at all ages. Piglets born in first generation had higher growth at most of the study period. Effect of sex was significant on body weight at most of the ages, except at 7, 8, 16 and 24 week. Male piglets had a higher growth at most of the weeks except at birth, 8 and 16 weeks. Piglets born in season II (March, April, May and June) had higher growth at most of the weeks, except at 4 and 5 weeks. Season of birth had a significant effect on body weight at birth, 1, 4, 5, 7, 8, 12, 16 and 20 weeks of age. Effect of year of birth was significant on body weight at birth, 1, 2, 6, 16 and 20 weeks of age only. Piglets born in 2014 had higher growth at most of the weeks, except at 4, 5, 6, 7 and 8 weeks of age. Generation I & II had a significant effect on litter traits, except average weight at birth. Piglets born in second generation had higher litter traits compared to the first generation. Effect of parity of dam was also significant on all litter traits. 

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