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 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 Press published "Louis XXX" (Georges Bataille) in a translation by Stuart Kendall. 2014 saw the release of "Cairo" (Louis Armand), a novel shortlisted for the 2014 "Guardian" Not-the-Booker Prize, and the novel "Doctor Benjamin Franklin’s Dream America" (Damien Ober)