4. Probiotic Feed

Probiotic Feed

Researchers at Texas A&M, along with the U.S. Department of Agriculture Agricultural Research Service, have been working on a probiotic feed for cattle. This bacteria-based probiotic was designed to prevent nitrite poisoning in cattle. Improper nitrate levels in cow feed and in the grasses pasture-fed cows consume can lead to the conversion of nitrates into nitrites. As the digestive process of cows metabolizes nitrites, they turn them into ammonia or nitrogen gas. Therefore, an added benefit of the decreased nitrite levels is a decrease in methane production in cows.

3. Leucaena Leaves

Leucaena Leaves

Researchers in Mexico have been studying the effects of adding tropical Leucaena leaves to cattle feed. The Leucaena leaf diet decreases methane emissions from cow belches by 26 percent. An added benefit of adding this nutritious plant to the cattle diet is that it results in three times the milk production.

2. Planting Trees

Planting Trees

In Latin America, some ranchers are dealing with the problems of deforestation and methane gas emission simultaneously by planting trees where cattle graze. As cattle require land for grazing, they deplete forests. Ranchers are now implementing strategies to restore depleted soil and increase ecosystem diversity. The silvopasture system is a solution that combines trees, cattle, and grazing in one ecosystem where they benefit one another. Trees can provide food and shade for cattle while also absorbing harmful greenhouse gases. A study in Columbia found that silvopasture resulted in decreased emissions by 25 to 50 percent.

1. Breeding

Breeding

Not all cows emit the same amount of gases. By studying the genes of cattle, those who are less likely to belch can be bred for a more environmentally friendly herd. The digestive process in a cow’s gut forms gases that cows release into the environment through belching. Some microbes that populate the gut are more likely to form methane gases than others. Science has determined that genetics play a factor in determining which microbes are more likely to inhabit a particular gut environment. By breeding only less gassy cows, methane emissions from cows could theoretically be drastically reduced.

Related: Buying Ground Beef? Avoid Picking up Contaminated Meat

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