title: Summer mastitis in heifers: observations on the effect of insect attacks on the teats of heifers.
mesh_terms: D000818:Animals; D002417:Cattle; D005260:Female; D007313:Insecta / Q000472:pathogenicity*; D008321:Mammary Glands, Animal / Q000469:parasitology*; D008414:Mastitis, Bovine / Q000209:etiology* / Q000503:physiopathology; D013045:Species Specificity