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ABSTRACT
This study investigates the genetic distances and phylogenetic relationships among various rabbit breeds derived from sequencing of the progesterone receptor (PGR) gene. Genetic distance indices were calculated for ten rabbit populations, revealing degrees of genetic closeness or divergence. The breeds analyzed include New Zealand Red, Angora, Chinchilla, Dutch (black), Hyla, and New Zealand White. The analysis revealed that Animal 1 (NZR) is genetically distinct from other studied breeds, while Animals 8 (Dutch), 9 (NZW) and 10 (Dutch) exhibited virtually zero genetic distance, indicating high genetic similarity. Additionally, phylogenetic analysis illustrated the genetic relationships, highlighting that Animals 9 and 10 (NZW and Dutch) share a 97% genetic similarity, suggesting a recent common ancestor. Conversely, Animal 3 (Angora) formed a distinct clade, signifying a higher degree of genetic disparity from the other breeds. These findings provide valuable insights into the genetic diversity and evolutionary relationships among rabbit populations, contributing to better understanding and potential applications in breeding programs.
