title: Absence of Marek's disease in chicks hatched from eggs containing blood or meat spots.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis; D001769:Blood; D002645:Chickens; D004531:Eggs; D005260:Female; D006564:Herpesviridae / Q000276:immunology; D005779:Immunodiffusion; D008297:Male; D008380:Marek Disease / Q000151:congenital* / Q000209:etiology / Q000276:immunology; D008460:Meat; D011234:Precipitins / Q000032:analysis; D014422:Turkeys; D014765:Viral Vaccines
chemical_list: D000914:Antibodies, Viral; D011234:Precipitins; D014765:Viral Vaccines