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Dampness heat diarrhea (DHD) is one of the most common syndromes of calf diarrhea. Its complex etiology and lack of objective diagnostic criteria bring great challenges to the diagnosis and treatment of this disease.
Zunxiang Yan+8 more
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In vivo selection of resistant E. coli after ingestion of milk with added drug residues. [PDF]
Antimicrobial resistance represents a major global threat to modern medicine. In vitro studies have shown that very low concentrations of drugs, as frequently identified in the environment, and in foods and water for human and animal consumption, can ...
Bicalho, Rodrigo Carvalho+3 more
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The aim of this study was to assess the effects of conditioning, rest, and post-rest transport duration on welfare indicators of 6–7 mo old beef calves following a 20-h transport.
Daniela M. Meléndez+5 more
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Effect of Group and Individual Breeding on Performance, Blood Parameters, Ruminal Fermentation, Behavior and Health of Dairy Calves [PDF]
Introduction: In most dairy farms, calves are housed individually during the milk-feeding period and will only introduce to social groups after weaning.
Fatemeh Ahmadi+3 more
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The role of the Cryptosporidium parvum in diarrhea in calves and lambs
Cryptosporidiosis is an important parasitic disease that leads to morbidity and mortality among young ruminants. In our study, 200 neonatal calves and lambs were examined for Cryptosporidium parvum (C. parvum).
Huda Mohammed Kuraa, Safaa Said Malek
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Early cow−calf separation management induced various welfare problems for dairy calves. We mimicked the maternal licking by manually brushing right after the Holstein female calves were born and during their first week of life, termed artificial ...
Congcong Li+3 more
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Trace minerals source in calf starters interacts with birth weights to affect growth performance
The present study was conducted to investigate the effects of partial replacement of inorganic minerals (IM) with trace minerals in advance chelate components form in starter diets for calves of different birth weights on performance, health, and ...
M. A. Mousavi-Haghshenas+5 more
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Effects of Social Housing on Dairy Calf Social Bonding
Social housing for dairy calves has a range of benefits for social development, yet there is limited understanding of how social bonds form early in life.
Emily E. Lindner+4 more
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Density-dependent dispersal in multiple species metapopulations
A multiple species metapopulations model with density-dependent dispersal is presented. Assuming the network configuration matrix to be diagonizable we obtain a decoupling of the associated perturbed system from the homogeneous state.
Jacques A. L. Silva, Flávia T. Giordani
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Rearing dairy calves with their mothers could teach them how to graze, optimizing grass use, and improving their welfare and performance. We tested the short-term effects of dam-calf contact experience on grazing and social behavior of weaned calves ...
Alessandra Nicolao+7 more
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