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  1. Human–marmoset interactions in a city park

    Contributor(s):: Leite, Giovana C., Duarte, Marina H. L., Young, Robert J.

    Urban wildlife, frequently, comes into contact with human city dwellers and these interactions can be viewed positively or negatively by people. In the city of Belo Horizonte (Minas Gerais, Brazil) many city parks have groups of black-tufted marmosets (Callithrix penicillata), which interact with...

  2. Effects of varying feed provision on behavioral patterns of farmed collared peccary (Mammalia, Tayassuidae)

    Contributor(s):: Nogueira, Selene S. C., Calazans, Stella G., Costa, Thaise S. O., Peregrino, Hélderes, Nogueira-Filho, Sérgio L. G.

    Feeding enrichment regime has been widely employed as an important tool to mimic foraging behavior and improve farm animals’ welfare. Some authors have argued that creating some level of uncertainty in the animals’ environment is beneficial. Therefore, we evaluated the effects of challenge...

  3. 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...

  4. Difference of social motivation in quail selected for divergent circadian activity

    Contributor(s):: Formanek, Laureline, Richard-Yris, Marie-Annick, Petton, Christophe, Houdelier, Cécilia, Lumineau, Sophie

    Endogenous rhythms are adaptive responses to predictable changes of the environment, like the day/night cycle. Some researches demonstrated that social cycles can influence the circadian rhythm, while no study investigated the effect of endogenous rhythmicity on the sociability in Vertebrates....

  5. Effects of food quantity and distribution on aggressive behaviour of gilthead seabream and European seabass

    Contributor(s):: Oikonomidou, Eleni, Batzina, Alkisti, Karakatsouli, Nafsika

    In intensive aquaculture, aggression among fish creates a disturbed social environment and leads to serious implications. Food is a resource of great importance for fish and its acquisition is an important enough reason for increased competition. Gilthead seabream Sparus aurata and European...

  6. Assessing the effect of rate and extent of starch digestion in broiler and laying hen feeding behaviour

    Contributor(s):: Herwig, Eugenia, Classen, Henry L., Schwean-Lardner, Karen V.

    Feeding behaviour can be affected by diet composition as a result of diet density, the rate and extent of ingredient digestion and the activation of nutrient sensing mechanisms. It was hypothezised that the presence of starch in the distal small intestine would activate the ileal brake, thereby...

  7. Motivation of naïve feedlot cattle to obtain grain and individual responses to novelty

    Contributor(s):: Van Os, Jennifer M. C., Mintline, Erin M., DeVries, Trevor J., Tucker, Cassandra B.

    Beef cattle may be fattened before slaughter using a high-energy, grain-based diet. Although previous research suggests cattle prefer grain, their motivation to obtain this feed has not been quantified. The objective of this study was to evaluate the motivation of naïve feedlot cattle to consume...

  8. Feeding response of marble goby (Oxyeleotris marmorata) to organic acids, amino acids, sugars and some classical taste substances

    Contributor(s):: Lim, Leong-Seng, Lai, Sian-Kang Jason, Yong, Annita Seok-Kian, Shapawi, Rossita, Kawamura, Gunzo

    Weaning from live to formulated feeds is a major challenge in the culture of marble goby Oxyeleotris marmorata. It can be solved through dietary supplementation of suitable taste substance as feeding stimulant. However, there is still no information on the suitable feeding stimulant for this...

  9. The effect of a compressed air stimulus on blocking times in a concentrate feeding station for horses in group housing

    Contributor(s):: Gülden, Aline, Büscher, Wolfgang

    Concentrate feeding stations are used to meet the different feeding requirements of group-housed horses. In practice, blocking times caused by horses remaining in the feeding station without concentrate allowance constrain the feeding process considerably. To date, the application of an electric...

  10. Aggression and social rank fluctuations in precision-fed and skip-a-day-fed broiler breeder pullets

    Contributor(s):: Girard, Teryn E., Zuidhof, Martin J., Bench, Clover J.

    In broiler breeders, conventional skip-a-day feeding leads to hunger-related aggression. As an alternative, a precision feeding system was developed to provide small meals to individual birds multiple times each day, sheltered from competition. Two objectives investigated whether: 1) aggression...

  11. Behavioural adaptation to a short or no dry period with associated management in dairy cows

    Contributor(s):: Kok, Akke, van Hoeij, Renny J., Tolkamp, Bert J., Haskell, Marie J., van Knegsel, Ariëtte T. M., de Boer, Imke J. M., Bokkers, Eddie A. M.

    From calving, dairy cows are typically milked for about a year, and subsequently managed to have a non-lactating or ‘dry period’ (DP) before next calving. However, the use of a DP may reduce cow welfare because typical DP management involves the cow changing groups and ration. Also, the DP...

  12. Effect of social feeding environment on the feeding behaviour of dairy cows and their willingness to consume a novel feed

    Contributor(s):: Mainardes, G. A., DeVries, T. J.

    Dairy cows are often exposed to novel situations and may show a strong behavioural response to novel feeds. To test the impact of social contact while feeding and the reaction of mature cows towards a novel feed we compared: 1) animals fed individually and 2) cows fed socially (in pairs). It was...

  13. The influence of sex on feeding behaviour in Pacific white shrimp (Litopenaeus vannamei)

    Contributor(s):: Bardera, Guillermo, Owen, Matthew A. G., Façanha, Felipe N., Sloman, Katherine A., Alexander, Mhairi E.

    The Pacific white shrimp (Litopenaeus vannamei) is the most cultivated species in crustacean aquaculture and a potentially important consideration for its production could be the use of monosex cultures. Generally, female penaeid shrimp are larger than males due to a greater gain in mass per...

  14. Impact of environmental enrichment and social group size in the aggressiveness and foraging activity of Serrapinnus notomelas

    Contributor(s):: da Silva, Alexandre, Lima, Marcos R., Meletti, Paulo C., Jerep, Fernando C.

    Fish are widely used in scientific research, and many species are bred for ornamental purposes and human consumption. Despite the large number of fish kept in captivity, research on the welfare of these animals has only recently intensified. One commonly used method for improving fish welfare is...

  15. Feeding from perches in an aviary system reduces aggression and mortality in laying hens

    Contributor(s):: Sirovnik, Janja, Stratmann, Ariane, Gebhardt-Henrich, Sabine G., Würbel, Hanno, Toscano, Michael J.

    Some commercial aviary systems for laying hens allow birds to access feed by standing on perches instead of platforms. Despite reports that providing laying hens with perches relates to reduced aggression and cannibalism, and increased prevalence of keel bone damage, the impact of feeding from...

  16. Dietary diversity affects feeding behaviour of suckling piglets

    Contributor(s):: Middelkoop, Anouschka, Choudhury, Raka, Gerrits, Walter J. J., Kemp, Bas, Kleerebezem, Michiel, Bolhuis, J. Elizabeth

    Stimulating solid feed intake in suckling piglets is important to facilitate the weaning transition, exemplified by the positive correlation between pre- and post-weaning feed intake. The present study compared the effect of dietary diversity (i.e. offering two feeds simultaneously) and flavour...

  17. Evaluation of visible eye white and maximum eye temperature as non-invasive indicators of stress in dairy cows

    Contributor(s):: Gómez, Y., Bieler, R., Hankele, A. K., Zähner, M., Savary, P., Hillmann, E.

    The aim of this study was to investigate if visible eye white and eye temperature measurements are feasible non-invasive physiological indicators of acute stress in cows when they are exposed to cattle crush treatment for claw trimming. In the experimental setting, 30 cows of two breeds (Red...

  18. Influence of mild feed restriction and mild reduction in dietary amino acid content on feeding behaviour of group-housed growing pigs

    Contributor(s):: Carcò, Giuseppe, Dalla Bona, Mirco, Carraro, Luca, Latorre, Maria Angeles, Fondevila, Manuel, Gallo, Luigi, Schiavon, Stefano

    This study investigates changes in the feeding behaviour of pigs as a result of a restriction in their feed allowance and a reduction in dietary indispensable amino acid (AA) content. Ninety-six Topig Talent x PIC barrows were housed in 8 pens and individually fed either ad libitum (AL) or a...

  19. Automated Pet Food Dispenser

    Full-text: Available

    | Contributor(s):: Kevin Shibley

    Electronics revolutionize the world and simplify life. The Automated Pet Food Dispenser (APFD) revolutionizes the pet industry and provides unprecedented food capacity and delivery capability, giving pet owners worry-free vacationing. Sensors and timers optimize functionality and reduce waste...

  20. Consumer Attitude Toward the Environmental Sustainability of Grain-Free Pet Foods

    Full-text: Available

    | Contributor(s):: Danielle M. P. Conway, Korinn E. Saker

    This study investigated consumer knowledge and attitude toward environmental sustainability, grain-free diets (GFDs), and the influence of on-site environmental sustainability education on pet owner diet choices. A two-part questionnaire was designed, bracketing an educational brochure on...