Abstract:Enteric methane (CH4) is an important greenhouse gas emitted by ruminants. Cervidae produces less CH4 than other ruminants, but the underlying mechanism remains unclear. Here, we measured and compared the gas production, nutrient digestibility, gut microbiota composition, and fermentation characteristics of roe deer (n = 4) and goats (n = 4). After the animals had adapted to the same total mixed ration for 21 days, the gas yield was measured using respiration chambers, and fecal samples were collected. The CH4… Show more
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