Unexpected chromosomal alterations in Tayassu tajacu (Artiodactyla: Tayassuidae) in captivity

Evaluation of genetic variability in the collared peccary Pecari tajacu and the white-lipped peccary Tayassu pecari by microsatellite markers

“…The Pecari tajacu karyotype has 2n = 30, with eight autosomal pairs of bi-armed chromosomes and six autosomal acrocentric pairs, the X sex chromosome being medium submetacentric and the Y small acrocentric ( Bosma et al , 2004 ; Adega et al , 2006 ). Although P. tajacu exhibits a stable karyotype, chromosomal gaps and breaks have been previously and very frequently observed in the autosomal chromosomes in the very same collared peccary population sampled for the present report ( Lima et al , 2004 ). According to these authors, a vermifuge based on ivermectin was the most likely cause of these chromosomal alterations.…”