Spay, neuter, or shot? How an injection could be the future of animal control

Monday, October 5, 2015 - 22:00 in Biology & Nature

A single shot into the muscle is enough to stop egg and sperm production in mice, report scientists. The injection delivers packaged DNA into muscle cells, causing them to produce neutralizing antibodies against male and female reproductive hormones. All mice that received the shot were unable to sire offspring after about two months, with no side effects.

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