1993 Fiscal Year Final Research Report Summary

Relationships between various behaviors of breeding, pregnant and milking cows and thier milk production by multiple analysis.

Research Project

Project/Area Number	03660276
Research Category	Grant-in-Aid for General Scientific Research (C)
Allocation Type	Single-year Grants
Research Field	畜産学(含草地学)
Research Institution	Shinshu University
Principal Investigator	YOSHIDA Motokazu Shinshu Univ.Dept.Agric.Prof., 農学部, 教授 (10021049)
Co-Investigator(Kenkyū-buntansha)	YOSHIDA Miyao Inst.Nagano Zootechinical Sci., Dept.Dairy Cattle, Researcher, 酪農部, 研究員 ONO Tamao Shinshu Univ.Dept.Agric.Assist Prof., 農学部, 助教授 (10177264)
Project Period (FY)	1991 – 1993
Keywords	Behavior of Dairy Cattle / Milk Production / Multiple Analysis
Research Abstract	Relationships between various behaviors of breeding, pregnant and milking cows and thier milk production was investigated by multiple analyssis. Ninety percnt of cumulative eugen-value could be classified into 4 factors. Factor 1 seemed to be related to the quickness. Factor 2 to the insesible in breeding stage and the complex behavioral pattern in milking stage. Factor 3 to the responsibility and Factor 4 to the eating of dairy cows. Milking production seemed to correlated with Factor 2 and milking speed with Factor 3.