Influence of handmilking upon the growth hormone levels in the blood of lactating cows.
D000818:Animals; D002417:Cattle / Q000502:physiology*; D003612:Dairying; D005260:Female; D013006:Growth Hormone / Q000097:blood*; D007774:Lactation; D011247:Pregnancy; D011388:Prolactin / Q000378:metabolism; D011863:Radioimmunoassay
D011388:Prolactin; D013006:Growth Hormone