Mule Mule A mule is the offspring of a male donkey (jack) and a female horse (mare). Horses and donkeys are different species, with different numbers of chromosomes. Of the two F1 hybrids (first generation hybrids) between these two species, a mule is easier to obtain than a hinny, which is the offspring of a female donkey (jenny) and a male horse (stallion). The size of a mule and work to which it is put depend largely on the breeding of the mule's female parent (dam). Mules can be lightweight, medium weight or when produced from draft horse mares, of moderately
The Adventures of a Donkey Monthly Review" of 1752-1825 said it was an 'agreeable little book' which creates and interest for the promotion of humanity. The 1806-1819 edition of "The Literary Panorama" thought it should be regarded favourably due to Argus' contribution to donkey welfare by introducing children to the mishaps which can occur from maltreatment, stating, '…[Argus'] imagination has exercised itself in favour of the rising generation.' And, 'it is an act of benevolence to call youthful attention to their [donkeys] necessities, and to contribute in a proper degree to their comforts by good usage.' Other publications, such as the 1833 edition of "The