Englishmalformed
adjective
usually it is the weak, undersized, and malformed beasts that are weeded out:
deformed, distorted, crooked, contorted, wry, misshapen, twisted, warped, out of shape, bent, bandy, curved, recurved, skewed, asymmetrical, irregular, misproportioned, ill-proportioned, ill-shaped, disfigured, hunchbacked, abnormal, grotesque, monstrous;
Scottish thrawn.
malformed Oxford Dictionary of English