title: Crazy--a nervous disorder in Ancona chicks.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D002645:Chickens; D002869:Chromosome Aberrations / Q000662:veterinary; D025063:Chromosome Disorders; D005260:Female; D005787:Gene Frequency; D005808:Genes, Recessive; D008297:Male; D009069:Movement Disorders / Q000235:genetics; D009154:Mutation; D011201:Poultry Diseases / Q000235:genetics*