Indian Journal of Animal Research

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Indian Journal of Animal Research, volume 39 issue 1 (january to june 2005) : 49 . 52

PREDICTION OF 305 DAYS MILK YIELD BASED ON MOST FREQUENT DAILY MILK YIELD OF A MONTH IN SAHIWAL COWS

K.K. Panda, R.K. Mehla, B.C. Das"
1Division of Dairy. Cattle Breeding. National Dairy Research Institute. Kamal· 132 001, India

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Cite article:- Panda K.K., Mehla R.K., Das" B.C. (2024). PREDICTION OF 305 DAYS MILK YIELD BASED ON MOST FREQUENT DAILY MILK YIELD OF A MONTH IN SAHIWAL COWS. Indian Journal of Animal Research. 39(1): 49 . 52. doi: .

ABSTRACT

Two hundred nineteen records (uP' to 5th parity) of 115 Sahiwal cows (calved during 1983 to
2000) having lactation length of more than 100 days and lactation yield of 500 kg maintained at the National Dairy Research Institute, Karnal over a period of 18 years were studied to find out the
relationship between 305 days milk yield (305DMY) with most frequent daily milk yield (MFDMY)
and to predict the 305DMY based on MFDMY of a month in Sahiwal cows.It was found that there
was very good association between MFDMY with 305DMY from 3mto 71h month with highest value
in 6th (0.914), 5th (0.902), 4th (0.922), 6th (0.926) and 5'h (0.903) month for 1", 2nd, 3m, 4'h and 5th lactation, respectively. It was concluded that 305DMY could be predicted on the basisaf MFDMY with higher degree of accuracy from 3m to 7th month in Sahiwal co~s.

KEYWORDS

    REFERENCES

    1. Kumar. S. (1997). M.Sc. Thesis. National Dairy Research Institute. Kamal. Haryana.
    2. MandaI. DK and Mehla. RK (1996). Indian J Dairy Sci. 10: 713-717.
    3. Steel. Robert G.D. and Torrie. james H. (1981).Principles and Procedures of Statistics - A Biometrical Approach. .2nd Edl'l.. McGraw Hill Book Company.
    4. Snedecor. WG. and Cochran. G.W (1967). Statistical Methods. 6th Edn. Oxford and IBH Pub. Company New Delhi.----
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