Báo cáo khoa học: "Reproductive performance of Norwegian cattle from 1985 to 2005: trends and seasonality"

Báo cáo khoa học: "Effect of yeast culture on milk production and metabolic and reproductive performance of early lactation dairy cows"

7 p | 50 | 8

Báo cáo khoa học: "Pregnancy loss in dairy cows: the contributing factors, the effects on reproductive performance and the economic impact"

6 p | 46 | 4

Báo cáo y học: " Reproductive Performance, Udder Health, and Antibiotic Resistance in Mastitis Bacteria isolated from Norwegian Red cows in Conventional and Organic Farming"

13 p | 46 | 4

Báo cáo khoa học: "Evaluation of the effect of a 3rd GnRH injection administered six days after the 2nd GnRH injection of Ovsynch on the reproductive performance of Japanese black cows"

7 p | 41 | 3