Published in Scientific Papers. Series D. Animal Science, Vol. LXV, Issue 1
Written by Mihai PRUNA, Marius MAFTEI, Livia VIDU, Iulian VLAD, Gheorghe Emil MĂRGINEAN
The paper aimed to present an important part of genetic analysis in Romanian Trotter horse. The sample extracted from the population is represented by entire reproductive nucleus of Romanian Trotter breed from Dor Marunt studfarm. We analyzed the reproductive isolation and the age structure. The reproductive isolation are the most important criteria for a flock to be accepted as a population. The other three are morphological and physiological differences, environmental requirements and genetic size, but all these three criteria evolving according to reproductive isolation coefficient. The age structure have an important role in animal breeding (horse breeding in this case) and also in exploitation. Both analyzed components have a capital importance in animal breeding because there has a directly influence in animal population evolution. The reproductive isolation situation was quantified using the relation elaborated by S. Wright and the age structure situation is based on the age distribution histogram.
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