Dana L. M. Campbell
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View article: Corrigendum to “Evaluation of a novel liquid stabilised peste des petits ruminants vaccine: Safety and immunogenic efficacy in sheep and goats in the field in Jordan” [Vaccine X 15 (2023) 100363]
Corrigendum to “Evaluation of a novel liquid stabilised peste des petits ruminants vaccine: Safety and immunogenic efficacy in sheep and goats in the field in Jordan” [Vaccine X 15 (2023) 100363] Open
View article: Rearing enrichment affects perching behaviour and bone strength in pullets and in free-range hens varying in range use patterns
Rearing enrichment affects perching behaviour and bone strength in pullets and in free-range hens varying in range use patterns Open
The high laying rates of domestic hens places significant strain on the calcium metabolism in their bones and shell glands. Behavioural and physical impacts of housing systems begin during pullet development, but exercise is still importan…
View article: Circulating microRNA profiles are associated with acute pain and stress in castrated and tail docked lambs
Circulating microRNA profiles are associated with acute pain and stress in castrated and tail docked lambs Open
View article: A review of behavioral testing in decapod shrimp (Caridea) and prawns (Dendrobranchiata) with applications for welfare assessment in aquaculture
A review of behavioral testing in decapod shrimp (Caridea) and prawns (Dendrobranchiata) with applications for welfare assessment in aquaculture Open
Evolving societal expectations are driving increasing interest in the welfare of decapod crustaceans, such as prawns and shrimp, grown in aquaculture. A key aspect of understanding an animal’s welfare-related needs is through assessing the…
View article: Friend or foe? Early life adversity to improve farmed animal welfare
Friend or foe? Early life adversity to improve farmed animal welfare Open
Early life experiences can have lasting impacts on an animal’s development. Extensive research evidence aligns across both human and non-human rodent and primate laboratory animals showing negative impacts of early life adversity such as i…
View article: Behaviours of farmed saltwater crocodiles (Crocodylus porosus) housed individually or in groups
Behaviours of farmed saltwater crocodiles (Crocodylus porosus) housed individually or in groups Open
Saltwater crocodiles ( Crocodylus porosus ) are farmed in Australia primarily for their skins and meat. Commercially, they are raised in group pens as hatchlings and grower crocodiles and then moved to unitised (individual) pens for the fi…
View article: Review: Environmental enrichment builds functional capacity and improves resilience as an aspect of positive welfare in production animals
Review: Environmental enrichment builds functional capacity and improves resilience as an aspect of positive welfare in production animals Open
The success of the animal in coping with challenges, and in harnessing opportunities to thrive, is central to its welfare. Functional capacity describes the capacity of molecules, cells, organs, body systems, the whole animal, and its comm…
View article: Effects of simple cage enrichment and its removal on the behavior and welfare of American mink ( <i>Neogale vison</i> )
Effects of simple cage enrichment and its removal on the behavior and welfare of American mink ( <i>Neogale vison</i> ) Open
Environmental enrichment may reduce stereotypies in fur-farmed mink. North American mink standards require manipulable enrichment objects within cages. However, mink can rapidly destroy objects inhibiting continuous enrichment presence, wh…
View article: Environmental enrichment during yard weaning alters the performance of calves in an attention bias and a novel object recognition test
Environmental enrichment during yard weaning alters the performance of calves in an attention bias and a novel object recognition test Open
The weaning of beef calves in yards places multiple stressors on the animals, and environmental enrichment may help mitigate some of these stressors and improve animal welfare. This trial assessed the impacts of enrichment provision to bee…
View article: Effects of ultraviolet light supplementation on hen behaviour and welfare during early lay
Effects of ultraviolet light supplementation on hen behaviour and welfare during early lay Open
Poultry can see in the ultraviolet (UV) spectrum and supplementation of UVA has been shown to reduce laying hens' fear and stress. The shorter wavelengths (UVB) also facilitate vitamin D3 production. However, UV spectrums are typically not…
View article: Loss of a grooming enrichment impacts physical, behavioural, and physiological measures of welfare in grazing beef cattle
Loss of a grooming enrichment impacts physical, behavioural, and physiological measures of welfare in grazing beef cattle Open
Pasture-based beef cattle are raised in a range of production environments. Some paddocks may contain trees and other objects that allow for grooming, hence being naturally enriching, whilst others may be barren without these opportunities…
View article: The necessity of pen replication to account for and understand the impacts of social dynamics on individual laying hen behavior
The necessity of pen replication to account for and understand the impacts of social dynamics on individual laying hen behavior Open
Individual laying hens within the same group show variation in their temperament traits and cognitive learning abilities, which can be affected by both their early rearing experiences and housing environments. Hens also have distinct indiv…
View article: Floor egg laying: can management investment prevent it?
Floor egg laying: can management investment prevent it? Open
SUMMARY: Floor egg laying can be a common problem for laying and breeder hens in cage-free housing systems. This is where hens lay eggs outside of the nest box, on the litter floor, slats, or tiered wire system. The causes of floor eggs ar…
View article: Evaluation of a novel liquid stabilised peste des petits ruminants vaccine: Safety and immunogenic efficacy in sheep and goats in the field in Jordan
Evaluation of a novel liquid stabilised peste des petits ruminants vaccine: Safety and immunogenic efficacy in sheep and goats in the field in Jordan Open
View article: Sex impacts pain behaviour but not emotional reactivity of lambs following ring tail docking
Sex impacts pain behaviour but not emotional reactivity of lambs following ring tail docking Open
Studies in humans have shown sex differences in response to painful events, however, little is known in relation to sex differences in sheep. Understanding sex differences would enable improved experimental design and interpretation of stu…
View article: Peer Review #3 of "Sex impacts pain behaviour but not emotional reactivity of lambs following ring tail docking (v0.1)"
Peer Review #3 of "Sex impacts pain behaviour but not emotional reactivity of lambs following ring tail docking (v0.1)" Open
Studies in humans have shown sex differences in response to painful events, however, little is known in relation to sex differences in sheep.Understanding sex differences would enable improved experimental design and interpretation of stud…
View article: Peer Review #3 of "Sex impacts pain behaviour but not emotional reactivity of lambs following ring tail docking (v0.2)"
Peer Review #3 of "Sex impacts pain behaviour but not emotional reactivity of lambs following ring tail docking (v0.2)" Open
Studies in humans have shown sex differences in response to painful events, however, little is known in relation to sex differences in sheep.Understanding sex differences would enable improved experimental design and interpretation of stud…
View article: Peer Review #2 of "Minimal effects of ultraviolet light supplementation on egg production, egg and bone quality, and health during early lay of laying hens (v0.1)"
Peer Review #2 of "Minimal effects of ultraviolet light supplementation on egg production, egg and bone quality, and health during early lay of laying hens (v0.1)" Open
Chicken vision is sensitive to ultraviolet (UV) light containing the UVA spectrum while UVB plays a key role in the endogenous production of vitamin D 3 .However, commercially available light sources are typically deficient in the UV spect…
View article: Minimal effects of ultraviolet light supplementation on egg production, egg and bone quality, and health during early lay of laying hens
Minimal effects of ultraviolet light supplementation on egg production, egg and bone quality, and health during early lay of laying hens Open
Chicken vision is sensitive to ultraviolet (UV) light containing the UVA spectrum, while UVB plays a key role in the endogenous production of vitamin D 3 . However, commercially available light sources are typically deficient in the UV spe…
View article: Peer Review #1 of "Minimal effects of ultraviolet light supplementation on egg production, egg and bone quality, and health during early lay of laying hens (v0.1)"
Peer Review #1 of "Minimal effects of ultraviolet light supplementation on egg production, egg and bone quality, and health during early lay of laying hens (v0.1)" Open
Chicken vision is sensitive to ultraviolet (UV) light containing the UVA spectrum while UVB plays a key role in the endogenous production of vitamin D 3 .However, commercially available light sources are typically deficient in the UV spect…
View article: Peer Review #2 of "Minimal effects of ultraviolet light supplementation on egg production, egg and bone quality, and health during early lay of laying hens (v0.2)"
Peer Review #2 of "Minimal effects of ultraviolet light supplementation on egg production, egg and bone quality, and health during early lay of laying hens (v0.2)" Open
Chicken vision is sensitive to ultraviolet (UV) light containing the UVA spectrum while UVB plays a key role in the endogenous production of vitamin D 3 .However, commercially available light sources are typically deficient in the UV spect…
View article: Future application of an attention bias test to assess affective states in sheep
Future application of an attention bias test to assess affective states in sheep Open
The affective states of animals comprise a key aspect of welfare that can be difficult to assess. An attention-bias test was developed for sheep, which assessed allocation of attention between a predator threat and a food reward, as a pote…
View article: Novelty during rearing increased inquisitive exploration but was not related to early ranging behavior of laying hens
Novelty during rearing increased inquisitive exploration but was not related to early ranging behavior of laying hens Open
Range use by free-range laying hen flocks is heterogeneous. We hypothesized that ranging behaviour may be motivated by curiosity and thwarted by fearfulness. This project aimed to increase a hen’s motivation to explore by enriching the rea…
View article: Automated Virtual Fencing Can Effectively Contain Sheep: Field Trials and Prospects
Automated Virtual Fencing Can Effectively Contain Sheep: Field Trials and Prospects Open
Virtual fencing technology uses on-animal devices to communicate boundaries via a warning audio tone and electrical pulse signals. There is currently limited validation work on sheep. This study used modified cattle eShepherd® virtual fenc…
View article: Shared stressful experiences affect social proximity in Merino sheep
Shared stressful experiences affect social proximity in Merino sheep Open
While it is well established that humans develop stronger relationship bonds when they share stressful experiences, there is little known on how shared stressful experiences may influence relationship bonding in animals. Here, we present a…
View article: Beef Cattle Preference and Usage of Environmental Enrichments Provided Simultaneously in a Pasture-Based Environment
Beef Cattle Preference and Usage of Environmental Enrichments Provided Simultaneously in a Pasture-Based Environment Open
Environmental enrichment can improve livestock welfare through increasing environmental complexity to promote a greater range of natural behaviours. However, there is limited understanding of the need for and impacts of enrichments for ext…
View article: Effectiveness and characteristics of a new technology to reduce ammonia, carbon dioxide, and particulate matter pollution in poultry production with artificial turf floor
Effectiveness and characteristics of a new technology to reduce ammonia, carbon dioxide, and particulate matter pollution in poultry production with artificial turf floor Open
Ammonia (NH3), carbon dioxide (CO2), and particulate matter (PM) are three major aerial pollutants that threaten the health of workers and animals in poultry production. An experiment was conducted in four laying hen rooms, with 735 to 740…
View article: Preface for the special issue of the 54th international congress of the ISAE
Preface for the special issue of the 54th international congress of the ISAE Open
View article: Behavior and welfare impacts of water provision via misting in commercial Pekin ducks
Behavior and welfare impacts of water provision via misting in commercial Pekin ducks Open
Ducks will access water to maintain feather condition and exhibit natural water-related behaviors such as wet preening. Providing water to ducks commercially is challenging as it may reduce litter and air quality leading to higher duck mor…
View article: Increasing mud levels in a feedlot influences beef cattle behaviours but not preference for feedlot or pasture environments
Increasing mud levels in a feedlot influences beef cattle behaviours but not preference for feedlot or pasture environments Open
Public scrutiny surrounds the intensive feedlot finishing of beef cattle, likely due to the assumption that cattle cannot perform their full repertoire of natural behaviours. However, it is not well-known how certain aspects of the environ…