[Dependence of the ascaris on breed and age of chickens].
D000367:Age Factors; D000818:Animals; D001196:Ascariasis / Q000662:veterinary*; D001200:Ascaris / Q000254:growth & development*; D002645:Chickens / Q000145:classification; D011201:Poultry Diseases; D012621:Seasons
Zavisimost' razvitiia vozbuditelia askaridioza ot porody i vozrasta kur.