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Indian Journal of Animal Research, volume 35 issue 1 (january to june 2001) : 71 - 72

REPEATABILITY ESTIMATES OF SEMINAL CHARACTERISTICS OF MURRAH BUFFALO BULLS·

Subhash Taraphder, A.K.Gupta, S.S.Tomar

Affiliations

¹Dairy Cattle Breeding Division, National Dairy Research Institute, Karnal- 132001, India

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Cite article:- Taraphder Subhash, A.K.Gupta, S.S.Tomar (2024). REPEATABILITY ESTIMATES OF SEMINAL CHARACTERISTICS OF MURRAH BUFFALO BULLS·. Indian Journal of Animal Research. 35(1): 71 - 72. doi: .

ABSTRACT

Repeatability was estimated for volume, initial freezing motility per cent at 0 hr of freezing, post-thaw motility per cent after 0 hr, 1 hr and 2 hrs of incubation at 37°C, live per cent (non-eosinophilic) spermatozoa count, per cent head abnormalities and acrosomal integrity of stored frozen Murrah buffalo spermatozoa. The estimates were 0.202±0.089, 0.383±0.107, 0.104±0.084, 0.135±0.090, 0.142±0.092, 0.1l5±0.088, 0.402±0.100 and 0.155±0.090, respectively. The estimates were moderate to high for motility at 0 hr of freezing and per cent head abnormalities indicating that sufficient variation existed between different bulls which could be attributed to genetic and permanent causes and also suggesting an important role of these characteristics in screening of bulls.

KEYWORDS

REFERENCES

Falconer,D.S.(1991).Introduction to Quantitative Genetics, 3rd edn., ELBS with Longman Group Ltd., England.
Gorobets,G.G. (1987).C.f. Anim. Breeding Abstr.(1988) 56: 7311.
HarveY,W.R (1975).Least Squares Analysis of Data with Unequal Subclass Number. Reprint by Agricultural Research Service H-4,USDA,USA.
Keshava, P. (1996). M.St Thesis NDR!. Kamal.
Swiger, L. A. et al. (1964). Biometrics 20: 818-826

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REPEATABILITY ESTIMATES OF SEMINAL CHARACTERISTICS OF MURRAH BUFFALO BULLS·

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