Reproductive isolation from a cross between a horse and a donkey or between a mare and a donkey, respectively. These animals are nearly always sterile due to the difference in the number of chromosomes between the two parent species. Both horses and donkeys belong to the genus "Equus", but "Equus caballus" has 64 chromosomes, while "Equus asinus" only has 62. A cross will produce offspring (mule or hinny) with 63 chromosomes, that will not form pairs, which means that they do not divide in a balanced manner during meiosis. In the wild, the horses and donkeys ignore each other and do not
Equus Press which deals with an alternative American colonial history. 2015 will see Equus Press publishing work by, among others, Holly Tavel, Richard Makin, and another book of translation (by Veronika Stankovianska and David Vichnar) from French, "H" by Philippe Sollers. Equus Press London- and Prague-based Equus Press (Écriture en Quête d’Usage), founded in 2011, focuses on publishing experimental Anglophone writers and is concerned primarily with English language writing from outside of normal English-speaking areas. Since it was established, Equus Press has published the works of such as authors Louis Armand, Thor Garcia, Ken Nash, and Damien Ober. In April 2013, Equus