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The genetic distribution of vasopressins in the peccary (Tayassu angulatus) and warthog (Phacochoerus aethiopicus)

1969; Elsevier BV; Volume: 12; Issue: 3 Linguagem: Inglês

10.1016/0016-6480(69)90181-6

1095-6840

D. R. Ferguson,

Neuroendocrine regulation and behavior

An attempt has been made to identify the vasopressins in individual pituitaries of the collared peccary (Tayassu angulatus) and the warthog (Phacochoerus aethiopicus). Of 11 peccary pituitaries 9 contained arginine vasopressin (AVP) only, of the remainder one contained both AVP and lysine vasopressin (LVP) and the other contained AVP and probably also LVP. Eighteen warthog pituitaries were examined; 8 contained AVP only, 2 contained LVP only and 8 were heterozygous. The number of phenotypes calculated from the observed gene frequencies, corresponded to those predicted by the Hardy-Weinberg formula.