Investigation of genetic and environmental factors for test day milk yields on each stage of lactation for holstein cattle in Hokkaido

Author:

MASUDA Yutaka,SUZUKI Mitsuyoshi

Publisher

Japanese Society of Animal Science

Subject

General Engineering

Reference39 articles.

1. ACCOUNTING FOR COVARIANCES AMONG TEST DAY MILK YIELDS IN DAIRY COWS

2. Auran T. 1973. Studies on monthly and cumulative monthly milk yield records I. the effect of age, month of calving, herd and length of first test period. Acta Agriculturæ Scandinavica 23, 189-199.

3. Danell B. 1982. Studies on lactation yield and individual test-day yields of swedish dairy cows I. environmental influence and development of adjustment factors. Acta Agriculturæ Scandinavica 32, 65-81.

4. Danell B. 1990. Genetic aspects of different parts of lactation. Proceedings of the fourth world congress on genetics applied to livestock production, Edinburgh, 14, 114-117.

5. Random Herd Curves in a Test-Day Model for Milk, Fat, and Protein Production of Dairy Cattle in The Netherlands

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