Similarity and dissimilarity of the chromosome number found in some wildlife species of Thailand
1998
Vivat Chavananikul (Chulalongkorn Univ., Bangkok (Thailand). Faculty of Veterinary Science. Dept. of Animal Husbandry)
Chromosome numbers of some species of wildlife animals in Thailand are reviewed. In Family Felidae, similarity of chromosome number is found to be 38 in different species of both genus Felis and Panthera which share the same number with the domestic cat (Felis catus). On the other hand, diversity of the chromosome number and chromosome patterns occurs in the Family Cervidae, from 6-7 chromosomes in Muntiacus muntjak and 13-14 chromosomes in Muntiacus feae to 56 chromosomes in Cervus eldi and 68 chromosomes in Cervus porcinus. In family Crocodylidae, crossbreeding between Crocodylus siamensis possessing 30 chromosomes and Crocodylus porosus having 34 chromosomes produced fertile crossbreds with 31, 32 and 33 chromosomes depending on the types of mating. Based on these findings, in depth investigations, such as, molecular genetics and reproductive genetics and applications in the real practice should be further implemented in order to determine the exact mechanism and the direction for both genetic conservation and also economic breeding.
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