Search Results - "Lea, Jim M."

Relationship between sunlight and range use of commercial free-range hens in Australia by Rana, Md Sohel, Lee, Caroline, Lea, Jim M, Campbell, Dana L M

“…In Australia, summer brings intense, bright sunlight with high ultraviolet (UV) radiation and hot temperatures, which might impact free-range hens' ranging…”
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Virtual Fencing Is Comparable to Electric Tape Fencing for Cattle Behavior and Welfare by Campbell, Dana L M, Lea, Jim M, Keshavarzi, Hamideh, Lee, Caroline

“…Virtual fencing technology restricts animal movement via communicated signals without physical boundaries. Specifically, the eShepherd™ automated virtual…”
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Analysis of Cattle Social Transitional Behaviour: Attraction and Repulsion by Xu, Haocheng, Li, Shenghong, Lee, Caroline, Ni, Wei, Abbott, David, Johnson, Mark, Lea, Jim M, Yuan, Jinhong, Campbell, Dana L M

“…Understanding social interactions in livestock groups could improve management practices, but this can be difficult and time-consuming using traditional…”
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Virtual Fencing Technology Excludes Beef Cattle from an Environmentally Sensitive Area by Campbell, Dana L. M., Ouzman, Jackie, Mowat, Damian, Lea, Jim M., Lee, Caroline, Llewellyn, Rick S.

“…The eShepherd® virtual fencing system being commercialized for cattle has the potential to exclude cattle from environmentally sensitive areas. Animals are…”
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Virtual Fence Responses Are Socially Facilitated in Beef Cattle by Keshavarzi, Hamideh, Lee, Caroline, Lea, Jim M, Campbell, Dana L M

“…Group-living can be socially advantageous where the behavior of individuals may be modified by group members through socially facilitative processes. Virtual…”
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Temporary Exclusion of Cattle from a Riparian Zone Using Virtual Fencing Technology by Campbell, Dana L M, Haynes, Sally J, Lea, Jim M, Farrer, William J, Lee, Caroline

“…Grazing cattle can both negatively and positively impact riparian zones, dependent on controlled grazing management. Virtual fencing technology, using collar…”
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Commercial Free-Range Laying Hens' Preferences for Shelters with Different Sunlight Filtering Percentages by Rana, Md Sohel, Lee, Caroline, Lea, Jim M, Campbell, Dana L M

“…Extreme sunlight might be aversive to free-range laying hens, discouraging them from going outside. Range enrichment with artificial shelters may protect hens…”
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Tech-Savvy Beef Cattle? How Heifers Respond to Moving Virtual Fence Lines by Campbell, Dana L M, Lea, Jim M, Farrer, William J, Haynes, Sally J, Lee, Caroline

“…Global Positioning System (GPS)-based virtual fences offer the potential to improve the management of grazing animals. Prototype collar devices utilising…”
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Impacts of Rearing Enrichments on Pullets' and Free-Range Hens' Positive Behaviors across the Flock Cycle by Campbell, Dana L M, Belson, Sue, Dyall, Tim R, Lea, Jim M, Lee, Caroline

“…Enrichment during the indoor rearing of pullets destined for free-range systems may optimize pullet development including increasing motivated natural…”
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Beef Cattle Preference and Usage of Environmental Enrichments Provided Simultaneously in a Pasture-Based Environment by Dickson, Emily J, Campbell, Dana L M, Lee, Caroline, Lea, Jim M, McDonald, Paul G, Monk, Jessica E

“…Environmental enrichment can improve livestock welfare through increasing environmental complexity to promote a greater range of natural behaviours. However,…”
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Automated Virtual Fencing Can Effectively Contain Sheep: Field Trials and Prospects by Campbell, Dana L M, Belson, Sue, Lea, Jim M, Ouzman, Jackie, Lee, Caroline, Kalinowski, Troy, Mowat, Damian, Llewellyn, Rick S

“…Virtual fencing technology uses on-animal devices to communicate boundaries via a warning audio tone and electrical pulse signals. There is currently limited…”
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Relationship between Rectal Temperature and Vaginal Temperature in Grazing Bos taurus Heifers by Lees, Angela M, Lea, Jim M, Salvin, Hannah E, Cafe, Linda M, Colditz, Ian G, Lee, Caroline

“…This study evaluated the relationship between rectal temperature (T , °C) and vaginal temperature (T , °C) in grazing heifers, to develop an understanding of…”
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Behavior and welfare impacts of water provision via misting in commercial Pekin ducks by Campbell, Dana L M, Belson, Sue, Erasmus, Marisa A, Lea, Jim M

“…Ducks will access water to maintain feather condition and exhibit natural water-related behaviors such as wet preening. Providing water to ducks commercially…”
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Anxiety influences attention bias but not flight speed and crush score in beef cattle by Lee, Caroline, Cafe, Linda M., Robinson, Samantha L., Doyle, Rebecca E., Lea, Jim M., Small, Alison H., Colditz, Ian G.

“…•Pharmacologically induced anxiety is not related to flight speed and crush score tests in cattle.•Cattle in an increased state of anxiety demonstrate…”
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Virtual fencing of cattle using an automated collar in a feed attractant trial by Campbell, Dana L.M., Lea, Jim M., Haynes, Sally J., Farrer, William J., Leigh-Lancaster, Christopher J., Lee, Caroline

“…•12 heifers tested with an automated experimental virtual fencing collar prototype.•Audio and electrical stimuli were delivered based on animal location and…”
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Preference of beef cattle for feedlot or pasture environments by Lee, Caroline, Fisher, Andrew D., Colditz, Ian G., Lea, Jim M., Ferguson, Drewe M.

“…Intensive feedlot finishing is perceived to affect welfare because cattle cannot perform normal behaviours evident in pasture environments. The objective of…”
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Increasing mud levels in a feedlot influences beef cattle behaviours but not preference for feedlot or pasture environments by Dickson, Emily J., Campbell, Dana L.M., Monk, Jessica E., Lea, Jim M., Colditz, Ian G., Lee, Caroline

“…Public scrutiny surrounds the intensive feedlot finishing of beef cattle, likely due to the assumption that cattle cannot perform their full repertoire of…”
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Relationship between sunlight and range use of commercial free-range hens in Australia by Md Sohel Rana, Caroline Lee, Jim M Lea, Dana L M Campbell

“…In Australia, summer brings intense, bright sunlight with high ultraviolet (UV) radiation and hot temperatures, which might impact free-range hens' ranging…”
Get full text

Virtual Fencing Technology Excludes Beef Cattle from an Environmentally Sensitive Area by Campbell, Dana L.M, Ouzman, Jackie, Mowat, Damian, Lea, Jim M, Lee, Caroline, Llewellyn, Rick S

“…The eShepherd[R] virtual fencing system being commercialized for cattle has the potential to exclude cattle from environmentally sensitive areas. Animals are…”
Get full text