Large-scale methane measurements on individual ruminants for genetic evaluations

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Impact of subclinical mastitis on greenhouse gas emissions intensity

Şeyda Özkan Gülzan et al stated that impaired animal health causes both productivity and profitability losses on dairy farms, resulting in inefficient use of inputs and increase in greenhouse gas (GHG) emissions produced per unit of product (i.e. emissions intensity). In their study, they used subclinical mastitis as an exemplar to benchmark alternative scenarios against an economic optimum and adjusted herd structure to estimate the GHG emissions intensity associated with varying levels of disease. It was concluded that preventing and/or controlling subclinical mastitis consequently reduces the GHG emissions per unit of product on farm that results in improved profits for the farmers through reductions in milk losses, optimum culling rate and reduced feed and other variable costs.

The full paper can be read here: https://doi.org/10.1016/j.prevetmed.2017.11.021

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