Linked from
The 13 pages that link to Crossbreeding, each with the reason it gives.
Cattle breedRelated: Livestock producers cross breeds to combine complementary strengths.
ZebuRelated: Producers cross zebu with taurine cattle to combine heat tolerance and productivity.
Limousin cattleRelated: Limousin sires are used with other breeds to add muscling and carcass yield.
Berkshire pigRelated: Berkshire genetics are sometimes used in crosses to influence pork quality.
ChianinaRelated: Chianina genetics have been used to improve beef cattle in other populations.