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  1. The Use of Environmental Enrichments Affects Performance and Behavior of Growing Rabbits Housed in Collective Pens

    Full-text: Available

    | Contributor(s):: Angela Trocino, Cristina Zomeño, Eirini Filiou, Marco Birolo, Peter White, Gerolamo Xiccato

    This study assessed the effects of an elevated plastic-slatted platform and/or a plastic hiding tube in collective pens with large group sizes (27 or 36 rabbits/pen; 16 rabbits/m2) on the performance and welfare of rabbits kept from weaning (at 33 days of age) to slaughter (at 68 or 75 days of...

  2. Determinants of diarrhoeal diseases and height-for-age z-scores in children under five years of age in rural central Tanzania

    | Contributor(s):: Rukambile, E., Muscatello, G., Sintchenko, V., Thomson, P. C., Maulaga, W., Mmassy, R., D. E. Bruyn J, Kock, R., Darnton-Hill, I., Alders, R.

  3. Associations Between Pet Ownership, Posttraumatic Growth, and Stress Symptoms in Adolescents

    | Contributor(s):: Dominick, Whitney, Walenski-Geml, Aundreah, Taku, Kanako

    Posttraumatic Growth (PTG) is the positive changes a person may experience due to the struggle with a highly stressful life event. One of the predictors of PTG is social support, and support from various sources have been shown to help foster growth. Pets have also been shown to provide feelings...

  4. Nutrition and husbandry conditions of Palearctic tortoises (Testudo spp.) in captivity

    | Contributor(s):: Bauer, Thomas, Reese, Sven, Koelle, Petra

    Mediterranean and Russian tortoises (Testudo spp.) are popular companion animals (pets), despite ongoing controversy concerning privately keeping reptiles. The arguments used during these controversial discussions have often been based on outdated facts. Therefore, a survey was developed to...

  5. Behavioral indicators of slow growth in nursery pigs

    | Contributor(s):: He, Yijie, Deen, John, Shurson, Gerald C., Li, Yuzhi Z.

    The objective of this study was to determine how feeder-space allowance affects behaviors of slow- and fast-growing pigs during the nursery period. Nursery pigs (n = 192; initial weight = 7.4 ± 1.6 kg) were housed in 24 pens of 8 pigs, with 12 pens provided with either a two-space feeder or a...

  6. Pet Loss: Understanding Disenfranchised Grief, Memorial Use, and Posttraumatic Growth

    | Contributor(s):: Spain, Breeanna, O’Dwyer, Lisel, Moston, Stephen

    The growing body of literature exploring pet loss suggests that many bereaved pet owners experience disenfranchised grief. Disenfranchised grief occurs when a loss is unacknowledged and the bereaved are unable to express their grief. When grief is considered illegitimate, the bereaved may...

  7. Continuing Bonds and Psychosocial Functioning in a Recently Bereaved Pet Loss Sample

    | Contributor(s):: Habarth, Janice, Bussolari, Cori, Gomez, Rowena, Carmack, Betty J., Ronen, Rama, Field, Nigel P., Packman, Wendy

    Research has shown that pet loss can be a devastating and complex experience for some human survivors, yet this loss may not be fully recognized by friends, partners, or acquaintances as a significant bereavement. The objectives of the current study were to consider how continuing bonds (CB)...

  8. Out of sight or in too deep: Effect of visual barriers and water depth on agonistic behaviour and growth in hatchling saltwater crocodiles (Crocodylus porosus)

    | Contributor(s):: Brien, Matthew L., Gienger, Christopher M., Webb, Grahame J., McGuinness, Keith, Christian, Keith A.

    This study tests the role of visual barriers and water depth on levels of agonistic behaviour and growth in hatchling Crocodylus porosus within the first 3 weeks of life. Ninety-six individuals from four separate clutches hatched over 2 days were divided across three treatments containing two...

  9. Effects of growth pattern and dietary protein level during rearing on feed intake, eating time, eating rate, behavior, plasma corticosterone concentration, and feather cover in broiler breeder females during the rearing and laying period

    | Contributor(s):: van Emous, R. A., Kwakkel, René, van Krimpen, Marinus, Hendriks, Wouter

    An experiment was conducted to evaluate the effect of growth patterns (GP) and dietary crude protein levels (CP) during rearing (2–22 weeks of age) on feed intake, eating time, eating rate, behavior, plasma corticosterone concentration, and feather cover in broiler breeder females during the...

  10. Measures of behavioural reactivity and their relationships with production traits in sheep: A review

    | Contributor(s):: Dodd, Cathy L., Pitchford, Wayne S., Hocking Edwards, Janelle E., Hazel, Susan J.

    This paper defines the concept of temperament and discusses the use of behavioural reactivity testing in sheep. The range of behavioural tests used in sheep are categorised and the aspects of behaviour reflected by each type of test discussed. The activation of nervous and endocrine pathways is...

  11. Effect of enrichment on the behaviour and growth of juvenile Xenopus laevis

    | Contributor(s):: Archard, Gabrielle A.

    Xenopus laevis is the most widely used model amphibian species in laboratories, yet there is almost no experimental evidence to guide best practice for captive housing. Enrichment is an important component of maintenance and welfare. A split-sibship experimental design was used to rear juvenile...

  12. Dominance and growth of Diplodus sargus (Pisces: Sparidae) in small captive groups

    | Contributor(s):: Gonçalves, Ana Ribeiro, de Sousa, Liliana Carvalho, Almada, Vitor Carvalho

    The dominance hierarchies and the growth rate of the commercially important fish Diplodus sargus were assessed in this study. Specifically, we tested the hypothesis that, if stable dominance orders were established, dominant fish would grow faster and show better condition factors than losers at...

  13. Does environmental enrichment really matter? A case study using the eastern fence lizard, Sceloporus undulatus

    | Contributor(s):: Rosier, Renee L., Langkilde, Tracy

    Institutional and federal ethics committees regulate research on live vertebrate animals. Current regulations require researchers to provide environmental enrichment for laboratory animals. The intention is that such enrichment reduces stress and prevents atypical behavior of captive animals,...

  14. Disentangling the effects of weaning stressors on piglets’ behaviour and feed intake: Changing the housing and social environment

    | Contributor(s):: Hötzel, Maria J., de Souza, Gisele P. P., Costa, Osmar A. Dalla, Machado Filho, Luiz Carlos P.

    Under farming conditions piglets generally face several simultaneous stressors including separation from the dam, an abrupt change from milk to a solid diet and changes in the social and housing environments. In this study we tested the hypothesis that increasing the number of environmental...

  15. Does environmental enrichment really matter? A case study using the eastern fence lizard, Sceloporus undulatus

    | Contributor(s):: Rosier, Renee L., Langkilde, Tracy

    Institutional and federal ethics committees regulate research on live vertebrate animals. Current regulations require researchers to provide environmental enrichment for laboratory animals. The intention is that such enrichment reduces stress and prevents atypical behavior of captive animals,...

  16. Effects of familiarity on individual growth and feeding behaviour of European seabass Dicentrarchus labrax

    | Contributor(s):: Batzina, Alkisti, Drossos, Ioannis-Panagiotis, Karakatsouli, Nafsika

    Available literature indicates that fish are able to recognize familiar conspecifics and that familiarity may offer important benefits (e.g. more stable social environment, improved foraging behavior, growth, survival). In the practice of intensive rearing of European seabass Dicentrarchus labrax...

  17. Maternal nest building and choice of nest site are temperature dependent in mink: Parent-offspring temperature conflict?

    | Contributor(s):: Schou, Toke Munk, Malmkvist, Jens

    We investigated whether nest building and nest site preference are temperature dependent in female mink. We designed two experiments: in Experiment 1, female mink had access to unheated (7 °C, Room7C group) or heated (25 °C, Heated25C group) nest boxes; in Experiment 2, female mink had free...

  18. Gangs of piglets: Welfare and growth of imprinted and guided weaners

    | Contributor(s):: Mesarec, Nikolina, Povše, Maja Prevolnik, Škorjanc, Dejan, Skok, Janko

    Weaning stress accompanied by outburst of aggression is a critical point in pig production as it compromises piglets’ welfare and leads to poor growth rate and health problems. Therefore, a weaning methods to smoothen the lactation–weaning transition are of great importance. In the present study...

  19. Effects of group size on behaviour, growth and occurrence of bite marks in farmed mink

    | Contributor(s):: Axelsson, Heléne M. K., Hansen, Steffen W., Loberg, Jenny, Lidfors, Lena

    The aims of this study were to investigate the occurrence of stereotypic behaviours and the activity level in farmed mink when group housed in climbing cages and if group housing increase aggression by assessing the prevalence of bite marks. This was studied in juvenile mink of the colour types...

  20. Effects of size distribution on social interactions and growth of juvenile black rockfish (Sebastes schlegelii)

    | Contributor(s):: Guo, Haoyu, Zhang, Xiumei, Johnsson, Jörgen I.

    Growth heterogeneity in rearing groups may complicate feeding operations and inducing cannibalism in cultured fish. To reduce these problems size grading has become a common rearing practice. To better understand the relationship between size grading and growth variation in cultured juvenile...