В странах с развитым коневодством цитогенетические исследования кобыл широко
применяются на практике (в случаях эмбриональной смертности в обязательном …

The endometrium, the inner uterine lining, is composed of cell layers that come in direct
contact with an embryo during early pregnancy and later with the fetal placenta. The …

Wild ungulates throughout the world face the impending risk of extinction. Small founding
population size, lack of interest in exhibiting wild ungulates and declining space in zoos are …

Two studies were conducted to understand sperm cryosensitivity in an endangered equid,
the Przewalski's horse (Equus ferus przewalski), while testing the cryoprotectant ability of …

Background Horses produce only one foal from an eleven-month gestation period, making
the maintenance of high reproductive rates essential. Genetic bottlenecks and inbreeding …

Przewalski's horse went extinct in the wild in the mid 1960s. Starting in 1985, individuals
were brought from western zoos to two centers in China and breeding programs were …

Genetic improvement, without control of inbreeding, can go to loss of genetic variability,
reducing the potential for genetic gains in the domestic populations. The aim of this study …

We studied the Persian onager (Equus hemionus onager), an endangered equid
subspecies. The objective was to characterize endocrine patterns and ovarian follicular …

This study aims to characterize the estrous cycle of Asinina de Miranda jennies in the
breeding season, on the basis of data collected from serial ultrasonographic examination …

Rationale In recent years, segmental stable isotope analysis of hair has been a focus of
research in animal dietary ecology and migration. To correctly assign tail hair segments to …