Genetic Engineering of Animals and Welfare

Advances in genetic engineering create new welfare challenges and opportunities, requiring careful ethical consideration of how modifications affect animal experience.

Key Facts

Gene editing tools such as CRISPR-Cas9 allow precise modification of animal genomes
Genetically modified animals are used in research, agriculture, and increasingly for food
Some welfare-positive modifications aim to reduce pain sensitivity in livestock or disease resistance
Unintended off-target effects of gene editing can create unexpected health problems
Regulatory oversight of genetically engineered animals varies significantly between countries

Welfare Considerations

Genetic engineering of animals raises welfare concerns that span from the modification process itself to the lifetime outcomes for edited animals and their descendants. Research animals carrying disease models may experience significant suffering. Agricultural applications such as disease-resistant pigs or hornless cattle could improve welfare if implemented carefully, but may also introduce unforeseen health complications. Welfare assessment frameworks need to evolve to evaluate genetically engineered animals throughout their full lifecycle, including heritable modifications passed to future generations.

What You Can Do

Engage with public consultations on the regulation of genetically engineered animals
Support research funding that requires welfare assessment as a condition of gene editing studies
Advocate for transparency in labelling of food products derived from genetically engineered animals
Follow developments from organisations monitoring the welfare implications of agricultural biotechnology
Encourage scientific journals to require welfare outcome data in gene editing animal research