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Title: Biomarkers of fitness and welfare in dairy cattle: healthy productivity
Authors: Zachut, Maya
Šperanda, Marcela
de Almeida, André M.
Gabai, Gianfranco
Mobasheri, Ali
Hernández Castellano, Lorenzo Enrique 
UNESCO Clasification: 3104 Producción Animal
Keywords: Biomarkers
Dairy animals
Issue Date: 2020
Journal: Journal of Dairy Research 
Abstract: Milk production intensification has led to several unwanted aspects, such as sustainability issues and environmental pollution. Among these, increased milk outputs that have been achieved over the last 70 years have led to several health and pathophysiological conditions in high yielding dairy animals, including metabolic diseases that were uncommon in the past. Increased occurrence of diverse metabolic diseases in cattle and other domestic animals is a key feature of domestication that not only affects the animals' health and productivity, but also may have important and adverse health impacts on human consumers through the elevated use of drugs and antibiotics. These aspects will influence economical and ethical aspects in the near future. Therefore, finding and establishing proper biomarkers for early detection of metabolic diseases is of great interest. In the present review, recent work on the discovery of fitness, stress and welfare biomarkers in dairy cows is presented, focusing in particular on possible biomarkers of energy balance and oxidative stress in plasma and milk, and biomarkers of production-related diseases and decreased fertility.
ISSN: 0022-0299
DOI: 10.1017/S0022029920000084
Source: Journal of Dairy Research [ISSN 0022-0299], n. 1, p. 4-13
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