Horse breed been produced. Such restrictions have led to legal challenges in the United States, sometime based on state law and sometimes based on antitrust laws. Horses can crossbreed with other equine species to produce hybrids. These hybrid types are not breeds, but they resemble breeds in that crosses between certain horse breeds and other equine species produce characteristic offspring. The most common hybrid is the mule, a cross between a "jack" (male donkey) and a mare. A related hybrid, the hinny, is a cross between a stallion and a jenny (female donkey). Most other hybrids involve the zebra (see Zebroid). With
Male privilege women's rights but fail to realize that their privilege as a whole, is a part of the issue at hand. In both India and China, male offspring are privileged and favored over female children. Some manifestations of son preference and the devaluation of women are eliminating unwanted daughters through neglect, maltreatment, abandonment, as well as female infanticide and feticide despite laws that prohibit infanticide and sex-selective pregnancy termination. In India some of these practices have contributed to skewed sex ratios in favor of male children at birth and in the first five years. Other examples of privileging male offspring are