Indian Journal of Animal Research

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Indian Journal of Animal Research, volume 37 issue 1 (january to june 2003) : 36 - 39

GENETIC AND ENVIRONMENTAL FACTORS AFFECTING THE BIOMETRICAL MEASUREMENTS OF 3-BREED CROSS BROILER RABBITS·

K.Venu Gopal Reddyl, V. Prabhakar Ra0 2, C. Eswara Reddy3, V.L.K. Prasad4, B. Ramesh Gupta
1Department of Animal Genetics and Breeding, College of Veterinary Science, Rajendranagar, Hyderabad - 500 030, India

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Cite article:- Reddyl Gopal K.Venu, 2 Ra0 Prabhakar V., Reddy3 Eswara C., Prasad4 V.L.K., Gupta Ramesh B. (2024). GENETIC AND ENVIRONMENTAL FACTORS AFFECTING THE BIOMETRICAL MEASUREMENTS OF 3-BREED CROSS BROILER RABBITS·. Indian Journal of Animal Research. 37(1): 36 - 39. doi: .

ABSTRACT

A study was undertaken to assess the influence of month of b,!tjh, litter size at birth and genetic
group of bunny on the body height, chest girth and paunch girth of twelve 3-breed cross broiler rabbits generated from New Zealand White, {'rey Giant, Soviet Chinchilla and Flemish Giant at 8, 12 and 1 weeks of age. The hejgpt, chest girth and paunch girth were significantly influenced by month of birth at all the ages studied. Utter size at birth had significant influence on height and chest girth at all the ages and on paunch girth at 8 weeks of age only. Genetic group had significant influence on height and paunch girth at 8 and 12 weeks of age and on chest girth at all the ages studied. The overall least square means for body height, chest girth and paunch girth at 8 weeks of age were 13.40±0.07, 15.52±0.09 and 14.10±O.09 em, while those at 16 weeks of age Were 17.00±0.06, 21.51±O.16 and 18.88±0.12 em, respectively. The 3-breed cross bunnies termina1ly sired by Flemish Giant had the highest averages for body height, chest girth and paunch girth from 8 to 12 weeks of age. Body height showed positive heterosis at all ages, while a mixed trend of positivp. and negative heterosis was observed for chest girth and paunch girth, at various ages studied.

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    REFERENCES

    1. Gupta, B.R. eta/. (1990). J. Res. A PA U, 18: 146-152.
    2. HalVey, W.R. (1975). Least Squares Analysis of Data with Unequal Subclass Numbers, USDA. Agriculturdl Resedrch Service.
    3. Oetting, B.C. eta/. (1989). AppUedRabbit Res., 12: 116-123.
    4. Puranclhar, B. (1991). M. V. Sc. Thesis, Andhra Pradesh Agricultural University, Hyderabad.
    5. Srinivasu, T. (1992). M. V. Sc. Thesis, Andhra Pradesh Agricultural University, Hyderabad
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