[Coccidiostatic-free large scale breeding of young hens with vitamin A production].
D000818:Animals; D001947:Breeding; D003048:Coccidiosis / Q000276:immunology / Q000517:prevention & control* / Q000662:veterinary*; D011201:Poultry Diseases / Q000517:prevention & control*; D014801:Vitamin A / Q000627:therapeutic use*
D014801:Vitamin A
Die coccidiostaticafreie Massenaufzucht von Junghennen unter Vitamin A-Schutz.