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  1. A model to predict the likelihood of cliff swallow nesting on highway structures in northern California

    Contributor(s):: Coates, R. W., Delwiche, M. J., Gorenzel, W. P., Salmon, T. P.

  2. An assessment of laboratory mouse welfare in UK animal units

    Contributor(s):: Leach, M. C., Main, D. C. J.

    The welfare of conventional stock laboratory mice has been assessed in 46 UK animal units using an expert-defined welfare assessment protocol containing 119 measures of mouse welfare. These were recorded using a questionnaire and observations made during a one-day visit to each unit. The standard...

  3. Arousal, but not nursing, is necessary to elicit a decreased fear reaction toward humans in rabbit (Oryctolagus cuniculus) pups

    Contributor(s):: Pongracz, P., Altbacker, V.

  4. Behaviour of silver foxes in traditional breeding boxes and in boxes with an entrance tunnel

    Contributor(s):: Braastad, B. O.

    The periparturient behaviour of silver-fox females inside traditional and modified breeding boxes was recorded on video tape from 24 h before to 72 h after parturition for 3 diurnal periods. 20 litters had the traditional simple breeding box, 14 litters had a box with a narrow entrance tunnel....

  5. Bringing the Endangered Barn Owl Back to McLean County, Illinois: Implementing a Local Nest Box Program

    Contributor(s):: Anna Groves

    Barn owls are an endangered species in Illinois, but populations have been known to increase where nest box programs have been implemented. In conjunction with the John Wesley Powell Audubon Society, a barn owl nest box program was established in McLean County and the surrounding area. Seventeen...

  6. Characteristics of wild pig farrowing nests and beds in the upper Coastal Plain of South Carolina

    Contributor(s):: Mayer, J. J., Martin, F. D., Brisbin, I. L., Jr.

    Thirteen farrowing nests and 9 resting/loafing beds built by wild pigs (Sus scrofa) from an introduced population in South Carolina, USA, were studied with respect to physical description, size parameters, the animals involved, and adjacent surroundings. The nests, built by pre-parturition sows,...

  7. Curtained nests facilitate settled nesting behaviour of laying hens in furnished cages

    Contributor(s):: Hunniford, M. E., Widowski, T. M.

    Egg location can be used to determine the nests that hens prefer, but it does not indicate whether the design of that nest satisfies a hen's nesting motivation. Hens that are satisfied with the nest resources exhibit characteristic settled nesting behaviour including less activity and longer...

  8. Deprivation of straw bedding alters PGF<sub>2 alpha </sub>-induced nesting behaviour in female pigs

    Contributor(s):: Burne, T. H. J., Murfitt, P. J. E., Gilbert, C. L.

    Sows are highly motivated to build a maternal nest on the day preceding parturition. A model for nest building has been established in pigs, in which exogenously administered prostaglandin F2 alpha (PGF2 alpha ) may be used to elicit nesting behaviour in cyclic, pseudopregnant and pregnant pigs....

  9. Determinants of reproductive success in force-re-paired cockatiels ( Nymphicus hollandicus )

    Contributor(s):: Stone, E. G., Millam, J. R., El-Halawani, M. E., Phillips, R. E., Redig, P. T.

    58 previously paired cockatiels were re-paired with mates with which they had never been previously paired. Males (M) and females (F) were assigned a breeding history that was 'experienced' (E) or 'inexperienced' (I), depending on whether they were part of a pair that had hatched at least one egg...

  10. Development with age of nest box use and gregarious nesting in laying hens

    Contributor(s):: Riber, A. B.

    Use of nest boxes is an important part of the behavioural repertoire of laying hens kept under commercial conditions. A special form of nest box use is gregarious nesting, which occurs when a hen given the choice between an occupied and an unoccupied nest site chooses the occupied nest site....

  11. Diurnal rhythm of bar-biting in relation to other behaviour in pregnant sows

    Contributor(s):: Jensen, P.

    Instantaneous observations of behaviour were made with video once every sixth minute around the clock (in 20-s recordings at each interval) during the first 3 days following the introduction of pregnant sows into one of the following three environments: (1)loose housing in groups of five with a...

  12. Does feed-back from a nest affect periparturient behaviour, heart rate and circulatory cortisol and oxytocin in gilts?

    Contributor(s):: Damm, B. I., Pedersen, L. J., Marchant-Forde, J. N., Gilbert, C. L.

    To determine the effects of feed-back from a farrowing nest on periparturient behaviour, heart rate and hormones, 20 gilts housed in Schmid pens were permitted to build a nest of peat, straw and branches. Ten gilts then had their nest removed (NR) 10 h after the onset of nest-building and again...

  13. Effect of heterogeneity of nest boxes on occurrence of gregarious nesting in laying hens

    Contributor(s):: Clausen, Tina, Riber, Anja Brinch

    Gregarious nesting, where hens select already occupied nest boxes even when other nest boxes are unoccupied, is an unwanted behaviour in laying hens that may reduce animal welfare and pose a financial cost to the producer. It has been suggested that gregarious nesting is caused by the...

  14. Effect of pre- and post-partum sow activity on maternal behaviour and piglet weight gain 24 h after birth

    Contributor(s):: Illmann, G., Chaloupkova, H., Neuhauserova, K.

    Within the 24 h prior to parturition sows are active and motivated to perform nest-building behaviour. The aim of this study was to investigate: (i) whether pre-partum activity (e.g. nesting and postural changes) could predict maternal behaviour 24 h post-partum (pp) and weight gain 24 h pp, and...

  15. Effects of grackle damage control techniques in citrus on nesting success of non-target species

    Contributor(s):: John H. Rappole, Wan R. Tipton, Arlo H. Kane, Rafael H. Flores

    Several techniques were tested to reduce the damage caused by great-tailed grackles to citrus in the lower Rio Grande Valley of southern Texas: monofilament line, eyespot balloons, pyrotechnics, and grackle nest removal. Ten species were found nesting in the treated groves, but only the mourning...

  16. Effects of nest quality and other cues for exploration on pre-laying behaviour

    Contributor(s):: Freire, R., Appleby, M. C., Hughes, B. O.

    The pre-laying behaviour of 11 hens was observed in pens without or with litter and without or with an exploratory walkway. Hens with unlittered nest boxes had longer durations of pre-laying behaviour (151 vs. 110 min) and spent longer searching (32 vs. 19 min) than those with littered nest...

  17. Effects of prepartum housing environment on abnormal behaviour, the farrowing process, and interactions with circulating oxytocin in sows

    Contributor(s):: Yun, JinHyeon, Swan, K. M., Oliviero, C., Peltoniemi, O., Valros, A.

    We evaluated the effects on sows of prepartum housing environment on bar-biting (BB) behaviour prior to parturition, farrowing duration from first to tenth piglets, litter size, and circulating oxytocin (OT) concentrations during birth of the first five piglets. A total of 35 sows, approximately...

  18. Effects of temporary nest box removal on maternal behaviour and pup survival in caged rabbits ( Oryctolagus cuniculus )

    Contributor(s):: Baumann, P., Oester, H., Stauffacher, M.

    Free nest access is widely used in the management of commercial breeding units for fattening rabbits, but potentially counteracts the doe's behavioural goal of a closed nest entrance, leading to repeated nest visits without nursing and attempts to close the entrance due to an overtaxed...

  19. Egg-laying behaviour and nest-site selection of domestic hens kept in small floor-pens

    Contributor(s):: Rietveld-Piepers, B., Blokhuis, H. J., Wiepkema, P. R.

    The development of egg-laying behaviour and nest-site choice is described in 7 flocks of White Leghorn hens housed in small floor-pens. Special interest was directed towards social dominance and the effect of the presence of a cock on the hen's nest-site choice. In the weeks before the hens came...

  20. Evidence of competition for nest sites by laying hens in large furnished cages

    Contributor(s):: Hunniford, Michelle E., Torrey, Stephanie, Bédécarrats, Gregoy, Duncan, Ian J. H., Widowski, Tina M.

    Furnished cages are designed to accommodate behaviour considered important to laying hens, particularly nesting behaviour. Few researchers have studied the degree of competition for nest sites or the extent to which the amount of nest space affects nesting behaviour in large furnished cages. We...