Factors affecting body weights in a herd of Holstein cattle.
D000367:Age Factors; D000818:Animals; D001835:Body Weight; D002417:Cattle / Q000502:physiology*; D005260:Female; D007774:Lactation; D008433:Mathematics; D010298:Parity; D011247:Pregnancy; D012098:Reproduction; D012621:Seasons; D013997:Time Factors