New Zealand scientists are coming up with some surprising solutions that could put a big dent in animal emissions. Among the more promising are selective breeding, genetically modified food, methane inhibitors, and a vaccine.
Much of the research is taking place at a Palmerston North campus, which some have jokingly taken to calling Gumboot Valley, in a nod to Silicon Valley.
Inhibitors could also reduce methane by at least 30% and perhaps by up to 90%, according to Janssen. The challenge is that the compounds need to be safe for animal consumption and not pass through the meat or milk to humans. Inhibitors must also be regularly administered.But other technologies such as selective breeding, which could reduce methane output by 15%, will be rolled out onto sheep farms as early as next year, Janssen said. A similar program for cows may not be too far behind.
At one greenhouse on the campus, scientists are developing genetically modified clover. Visitors must wear booties and medical scrubs and avoid putting down objects to prevent any cross-contamination. “What this team has done is they’ve actually identified, through their research, a master switch that switches on condensed tannins in the leaves,” said Linda Johnson, a science group manager at AgResearch.
However, New Zealand has strict rules that ban most genetically modified crops, a regulatory barrier that the scientists will need to overcome if they are to introduce the modified feed to the nation’s farms.
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