Variations in the relative cortical mass of tail bones of cows during pregnancy and lactation.
D000818:Animals; D001862:Bone Resorption; D001842:Bone and Bones / Q000000981:diagnostic imaging; D002417:Cattle / Q000502:physiology*; D005260:Female; D007774:Lactation; D011247:Pregnancy; D011270:Pregnancy, Animal; D011859:Radiography; D013623:Tail / Q000000981:diagnostic imaging*