多胎児の自我形成と発達支援についての一考察-極低出生体重多胎児の事例より,地域子育て支援体制の充実を目指して-

In this study, the strongest indicator of milk production was number of cows in milk. However, merely adding cows to a herd should not be considered to guarantee increased milk production, because other management traits could be confounded with increased number of cows in a herd.