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  1. "Poison-shyness" and "bait-shyness" developed by wild rats ( Rattus rattus L.). I. Methods for eliminating "shyness" caused by barium carbonate poisoning

    Contributor(s):: Naheed, G., Khan, J. A.

    Colonies of wild rats, were offered the choice between two baits-cereal grains, flours, mixtures, oily and sweet cereals, and also grain flour. The rats were poisoned in the preferred baits with barium carbonate (10 mg/g food; 20 mg/g food in oily baits) and then presented with the same choice of...

  2. "Who's been a good dog?" - Owner perceptions and motivations for treat giving

    Contributor(s):: White, G. A., Ward, L., Pink, C., Craigon, J., Millar, K. M.

    Complex relationships commonly exist between owners and their companion animals, particularly around feeding behaviour with an owner's affection or love for their animal most pronounced through the provision of food. It is notable that the pet food market is experiencing strong year-on-year...

  3. A behavioural study of scrapie-affected sheep

    Contributor(s):: Healy, A. M., Hanlon, A. J., Weavers, E., Collins, J. D., Doherty, M. L.

    The behaviour of 12 sheep, suspected of having scrapie, and 12 clinically normal animals from the Irish Republic was observed over a 6-day period [date not given]. Confirmation of the true disease status of the animals was made at postmortem using both histopathological and immunocytochemical...

  4. A brief note on the relationship between residual feed intake and aggression behaviour in juveniles of African catfish Clarias gariepinus

    | Contributor(s):: Martins, C. I. M., Hillen, B., Schrama, J. W., Verreth, J. A. J.

    Individual differences in maintenance levels have been related with energetically expensive processes such as aggression. This relationship is not fully understood as on one hand individuals with higher maintenance requirements seem to be more aggressive but on the other hand have smaller...

  5. A colostrum feeder for newborn lambs

    | Contributor(s):: Fraser, D., Rushen, J.

    Newborn lambs were studied in 6 experiments to identify simple cues that elicit teat-seeking behaviour, and to incorporate these cues into a device that would guide lambs to find and suck from a colostrum bottle. Lambs were removed from the ewe before sucking and were observed for 10 min in a...

  6. A comparative assessment of potential conditioned taste aversion agents for vertebrate management

    | Contributor(s):: Gill, E. L., Whiterow, A., Cowan, D. P.

    The ability of two potentially safe compounds, cinnamamide (160 mg/kg) and thiabendazole (100 and 200 mg/kg) to generate a conditioned taste aversion (CTA) in laboratory Rattus norvegicus to a novel food was assessed and compared to that of 17 alpha ethinyl oestradiol (4 mg/kg). All compounds...

  7. A comparison of food selection and foraging behavior in juvenile and adult goats

    | Contributor(s):: Provenza, F. D., Malechek, J. C.

    Young animals on rangelands are at an inherent disadvantage to older animals because they have higher nutritional requirements and they lack foraging experience. Comparisons were made in diet selection, foraging time and weight changes for adult (does) and juvenile (kids) goats foraging at two...

  8. A comparison of operant responding by farrowing sows for food and nest-building materials

    | Contributor(s):: Hutson, G. D.

    In experiments on 4 days immediately before and after parturition with 16 sows trained to lift a lever to gain access to either a box containing straw, a box containing sticks, an empty box, or a food drop, sows lifted more for food than for the empty box or nest-building materials. On any day...

  9. A comparison of space requirements of horned and hornless goats at the feed barrier and in the lying area

    | Contributor(s):: Loretz, C., Wechsler, B., Hauser, R., Rusch, P.

    Loose housing of horned goats is more common than loose housing of horned cattle, and recommendations concerning the design of housing systems for horned goats are needed. In this study, we compared the behaviour of horned and hornless goats kept in deep litter pens to investigate their space...

  10. A comparison of the activity budgets of wild and captive Sulawesi crested black macaques ( Macaca nigra )

    | Contributor(s):: Melfi, V. A., Feistner, A. T. C.

    One aim of environmental enrichment techniques is to replicate 'wild-like' behaviour in captivity. In this study, three captive troops of Sulawesi crested black macaques (M. nigra) in Chester, Jersey and Marwell Zoos, UK were each observed for 100 h in large naturalistic enclosures In May and...

  11. A complex automatic feeding system for pigs aimed to induce successful behavioural coping by cognitive adaptation

    | Contributor(s):: Ernst, K., Puppe, B., Schon, P. C., Manteuffel, G.

    In modern intensive husbandry systems there is an increasing tendency for animals to interact with technical equipment. If the animal-technology interface is well-designed this may improve animal welfare by offering challenges for cognitive adaptation. Here a system and its application is...

  12. A general reaction pattern across situations in prepubertal gilts

    | Contributor(s):: Thodberg, K., Jensen, K. H., Herskin, M. S.

    56 prepubertal crossbred Landrace/Yorkshire gilts were subjected to a Food Competition Test, an Open Field Test, a Human Test and a Social Test. The undisturbed behaviour was video recorded in the home pen before the tests were performed. Factor analysis on open field data identified 5 factors,...

  13. A method for measuring the aversiveness of sounds to domestic hens

    | Contributor(s):: McAdie, T. M., Foster, T. M., Temple, W., Matthews, L. R.

    Six hens' key-pecking at each of 2 simultaneously available perspex discs (keys) was maintained by intermittent access to wheat. Over a series of conditions one of 4 sounds (music, water-hose, poultry and train), at a range of decibel levels (90-100 dB(A)) was relayed to the experimental chamber...

  14. A modeling approach for estimating seasonal dietary preferences of goats in a Mediterranean Quercus frainetto-Juniperus oxycedrus woodland

    | Contributor(s):: Manousidis, T., Malesios, C., Kyriazopoulos, A. P., Parissi, Z. M., Abraham, E. M., Abas, Z.

    Goats are characterized as selective feeders due to their specific feeding behavior, thus the study of their seasonal preferences in a Mediterranean oak-juniper ecosystem is of great interest. The current research was conducted in an open oak forest in Megalo Dereio region, northeastern Greece...

  15. A note on averting goats to a toxic but palatable plant, Leucaena leucocephala

    | Contributor(s):: Gorniak, S. L., Pfister, J. A., Lanzonia, E. C., Raspantini, E. R.

    Conditioned taste aversions are a useful tool to reduce livestock consumption of toxic plants. The forage legume Leucaena leucocephala (leucaena) is both toxic and palatable. The objective of this study was to determine if goats could be aversively conditioned to avoid leucaena. Adult and...

  16. A note on behaviour of stabled horses with foraging devices in mangers and buckets

    | Contributor(s):: Goodwin, D., Davidson, H. P. B., Harris, P.

    Processed feed for stabled horses is usually presented in buckets or mangers, and is easily and rapidly consumed. Foraging devices based on the Edinburgh foodball can be used to provide part of the ration. Current designs are all placed on the floor, raising concerns regarding ingestion of...

  17. A note on contrafreeloading in broilers compared to layer chicks

    | Contributor(s):: Lindqvist, C., Zimmerman, P., Jensen, P.

    Contrafreeloading (CFL) is the behaviour where an animal chooses to work for food even when identical food can be obtained without any effort. Previous studies have suggested that the difference in CFL between White Leghorn layers and jungle fowl may be a side effect of selection for increased...

  18. A note on eating behaviour of dairy cows at different stocking systems - diurnal rhythm and effects of ambient temperature

    | Contributor(s):: Taweel, H. Z., Tas, B. M., Smit, H. J., Tamminga, S., Elgersma, A.

    This experiment was aimed at studying the diurnal rhythm of dairy cows eating behaviour at different stocking systems, and quantifying the effect of daily ambient temperature on this diurnal rhythm. In two experiments carried out in the summer of 2003 in The Netherlands, eight dairy cows were...

  19. A note on increased intake in lambs through diversity in food flavor

    | Contributor(s):: Distel, R. A., Rodriguez Iglesias, R. M., Arroquy, J., Merino, J.

    Because preferences for food flavor decline during and after a meal, intake could be increased by offering the same food in different flavors simultaneously. The objective of this study was to determine the effects of offering the same hay with different flavors on forage intake by lambs....

  20. A note on the circadian rhythm and feeding behaviour of sheep fitted with a lightweight GPS collar

    | Contributor(s):: Hulbert, I. A. R., Wyllie, J. T. B., Waterhouse, A., French, J., McNulty, D.

    The circadian rhythm and feeding behaviour (bite rate) of 16 Scottish Blackface ewes, 8 of which were fitted with a lightweight (863 g) GPS collar, were examined. The collar consisted of a leather harness and a 0.5-litre aluminium box and represented 2.2% of the average body mass of the study...