[Darwin not against euthanasia].
van Rooijen
J
J
D000820:Animal Diseases / Q000517:prevention & control*; D000822:Animal Husbandry / Q000379:methods* / Q000592:standards; D000818:Animals; D005075:Biological Evolution; D037901:Euthanasia, Animal; D006801:Humans; D011200:Poultry; D012641:Selection, Genetic