Researchers conducting a whole-genome analysis of Beefalo have discovered that most animals marketed as this hybrid bison-cattle breed contain little to no bison genetic material, contradicting widespread industry claims about their composition.
The study examined DNA from multiple Beefalo individuals and found that the vast majority lack significant bison ancestry despite being sold as hybrid animals. Beefalo were originally developed in the 1960s as a crossbreed intended to combine the lean meat of bison with the docility and productivity of cattle. Breeders marketed them as a sustainable alternative meat source with hybrid vigor benefits.
However, the genomic findings reveal a different story. Most Beefalo in circulation appear to be primarily or entirely cattle, with bison genetics either absent or present in negligible amounts. This suggests generations of breeding may have inadvertently or deliberately selected away bison DNA, or that mislabeling occurred throughout the breed's commercial history.
Beefalo breeders have disputed the study's conclusions. Industry representatives argue the research misrepresents their animals and may not have sampled representative populations. Some breeders maintain that their herds do contain meaningful bison content, though they have not yet provided independent genetic verification.
The discrepancy raises questions about breed registration standards and marketing transparency in the livestock industry. Beefalo associations maintain breed registries, but those registries may not enforce rigorous genetic verification requirements. Consumers purchasing Beefalo meat for its purported health or sustainability benefits may have been purchasing beef under misleading labeling.
The research team did not specify institutional affiliations or journal details in available sources, but the whole-genome methodology represents standard practice for assessing animal ancestry. Such analyses can definitively determine the proportion of genetic material inherited from different species.
The findings underscore the importance of genomic verification in agricultural commodities where marketing claims carry economic value.