Genetically modified viruses that make the target animals infertile through immunocontraception have been created in the laboratory as well as others that target the developmental stage of the animal.
Virustan amosnen amutayan wi taganen iwadǎɣan wi atiwarhanen ad witiruwan fal immunoəontraəeɗtion adǎɣ igan dǎɣ laboratoire, mašan iyad atiwakanen dǎɣ edag wan ƭiwaƭ ən awadǎɣ.