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Animal Science Database

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Abstract

Separation of calves from cows within hours or days of birth is common on dairy farms. Stakeholders have conflicting perspectives on whether this practice is harmful or beneficial for the animals' welfare and production. Our objective was to critically evaluate the scientific evidence for both...

Author(s)
Meagher, R. K.; Beaver, A.; Weary, D. M.; Keyserlingk, M. A. G. von
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 7, pp 5765-5783
Abstract

Regrouping is a common management practice on commercial dairy farms. The objectives of this study were to examine the effects of regrouping on feeding behavior, social behavior, and milk production. Eleven mid-lactation Holstein cows were individually introduced into previously established social...

Author(s)
Keyserlingk, M. A. G. von; Olenick, D.; Weary, D. M.
Publisher
American Dairy Science Association, Savoy, USA
Citation
Journal of Dairy Science, 2008, 91, 3, pp 1011-1016
Abstract

The periparturient period, typically defined as the period immediately before and after calving, is a challenging time for dairy cattle that must cope with physiological, metabolic and endocrine changes, as well as a variety of environmental and management-related stressors. These challenges likely ...

Author(s)
Sepúlveda-Varas, P.; Huzzey, J. M.; Weary, D. M.; Keyserlingk, M. A. G. von
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2013, 53, 9, pp 988-999
Abstract

The objective of this study was to evaluate the effects of 2 feed barrier systems on feeding and social behavior of dairy cows. Forty-eight lactating Holstein cows were subjected to each of 2 treatments in a cross-over design. The treatments were 2 types of feed-line barriers: (1) post-and-rail,...

Author(s)
Endres, M. I.; DeVries, T. J.; Keyserlingk, M. A. G. von; Weary, D. M.
Publisher
American Dairy Science Association, Savoy, USA
Citation
Journal of Dairy Science, 2005, 88, 7, pp 2377-2380
Abstract

Cognitive stimulation has been shown to be rewarding and capable of eliciting positive emotions in several species. In contrast to the abundant learning and exploration opportunities available in nature, captive environments can be under-stimulating - with the potential to induce anhedonia and...

Author(s)
Graham, C.; Keyserlingk, M. A. G. von; Franks, B.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Applied Animal Behaviour Science, 2018, 203, pp 103-110
Abstract

Zebrafish, a highly-social species of freshwater fish, are widely studied across many fields of laboratory science including developmental biology, neuroscience, and genomics. Nevertheless, as standard housing for zebrafish typically consists of small and simplistic environments, less is known...

Author(s)
Franks, B.; Graham, C.; Keyserlingk, M. A. G. von
Publisher
MDPI AG, Basel, Switzerland
Citation
Animals, 2018, 8, 9, pp 152
Abstract

Disease is one of the single largest issues facing food animal agriculture today. Risk factors for various diseases in cattle, swine and chickens include aspects of both the physical and social environment. In this paper we review literature linking the social environment to illness in farm...

Author(s)
Proudfoot, K. L.; Weary, D. M.; Keyserlingk, M. A. G. von
Publisher
Elsevier Ltd, Oxford, UK
Citation
Applied Animal Behaviour Science, 2012, 138, 3/4, pp 203-215
Abstract

Metritis is a disease of particular concern after calving because of its profound negative effects on the reproductive performance of dairy cows. Cows at risk for metritis have shorter feeding times in the days before calving but prepartum dry matter intake (DMI) and water intake may also be useful ...

Author(s)
Huzzey, J. M.; Veira, D. M.; Weary, D. M.; Keyserlingk, M. A. G. von
Publisher
American Dairy Science Association, Savoy, USA
Citation
Journal of Dairy Science, 2007, 90, 7, pp 3220-3233
Abstract

Housing affects social behaviors, such as competition, but little work has addressed affiliative behaviors. This study compared social licking (SL) in pregnant heifers housed indoors (in a free-stall barn) versus outdoors (on pasture), and relationships with competition, feeding and physical...

Author(s)
Tresoldi, G.; Weary, D. M.; Machado Filho, L. C. P.; Keyserlingk, M. A. G. von
Publisher
MDPI AG, Basel, Switzerland
Citation
Animals, 2015, 5, 4, pp 1169-1179
Abstract

We review recent research in one of the oldest and most important applications of ethology: evaluating animal health. Traditionally, such evaluations have been based on subjective assessments of debilitative signs; animals are judged ill when they appear depressed or off feed. Such assessments are...

Author(s)
Weary, D. M.; Huzzey, J. M.; Keyserlingk, M. A. G. von
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2009, 87, 2, pp 770-777

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