Jason J. Hayer

Muenchweiler, SL, Germany

Last Updated: 09/26/2026

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Found 11 publications

Lineage-aware comparison of extended-spectrum β-lactamase-producing Escherichia coli from unweaned dairy calves and human references reveals host-structured plasmidomes and co-selection.

Lineage-aware comparison of extended-spectrum β-lactamase-producing Escherichia coli from unweaned dairy calves and human references reveals host-structured plasmidomes and co-selection.

Journal: Microbial genomics

Published: July 17, 2026

Association Between Individual Animal Traits, Competitive Success and Drinking Behavior in Dairy Cows After Milking.

Association Between Individual Animal Traits, Competitive Success and Drinking Behavior in Dairy Cows After Milking.

Journal: Animals : an open access journal from MDPI

Published: January 19, 2025

Growth performance, enteric methane emissions, and economic impact of alternative feeding strategies for Simmental fattening bulls.

Growth performance, enteric methane emissions, and economic impact of alternative feeding strategies for Simmental fattening bulls.

Journal: Translational animal science

Published: October 08, 2024

Effect of Climatic Condition, Type of Trough and Water Cleanliness on Drinking Behavior in Dairy Cows.

Effect of Climatic Condition, Type of Trough and Water Cleanliness on Drinking Behavior in Dairy Cows.

Journal: Animals : an open access journal from MDPI

Published: October 23, 2023

A risk-oriented evaluation of biofilm and other influencing factors on biological quality of drinking water for dairy cows.

A risk-oriented evaluation of biofilm and other influencing factors on biological quality of drinking water for dairy cows.

Journal: Journal of animal science

Published: December 02, 2021

Wound lesions caused by ear tagging in unweaned calves: assessing the prevalence of wound lesions and identifying risk factors.

Wound lesions caused by ear tagging in unweaned calves: assessing the prevalence of wound lesions and identifying risk factors.

Journal: Animal : an international journal of animal bioscience

Published: July 20, 2021

Influences on the assessment of resource- and animal-based welfare indicators in unweaned dairy calves for usage by farmers.

Influences on the assessment of resource- and animal-based welfare indicators in unweaned dairy calves for usage by farmers.

Journal: Journal of animal science

Published: June 27, 2021

Implementation of management recommendations in unweaned dairy calves in western Germany and associated challenges.

Implementation of management recommendations in unweaned dairy calves in western Germany and associated challenges.

Journal: Journal of dairy science

Published: October 26, 2020

Hygiene management in newborn individually housed dairy calves focusing on housing and feeding practices.

Hygiene management in newborn individually housed dairy calves focusing on housing and feeding practices.

Journal: Journal of animal science

Published: June 04, 2020

Individual training for farmers based on results from protein and ATP rapid tests and microbiological conventional cultural methods improves hygiene in pig fattening pens.

Individual training for farmers based on results from protein and ATP rapid tests and microbiological conventional cultural methods improves hygiene in pig fattening pens.

Journal: Journal of animal science

Published: November 05, 2019

Antibiotics as confounding factor in newborn calf studies investigating effects on the intestinal microbiome.

Antibiotics as confounding factor in newborn calf studies investigating effects on the intestinal microbiome.

Journal: Research in veterinary science

Published: October 04, 2018

Showing 1-11 of 11

Last Updated: 09/26/2026