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Resources (41-60 of 151)

  1. Feline urine spraying

    Contributor(s):: Dehasse, J.

    10% of all cats spray in adulthood. The sequence of urine spraying and its triggering stimuli were analysed and its pharmacological treatment is summarized. Clomipramine (AnafranilReg.) was tested on 26 cats (5 mg once a day). The results showed clomipramine is responsible for a reduction of...

  2. A note on the effect of individual housing conditions on LH secretion in ewes after exposure to a ram

    Contributor(s):: Abecia, J. A., Forcada, F., Zuniga, O.

    To determine whether it is feasible to use the stimulus of exposure to a ram to induce sexual activity in individually housed ewes, 33 adult anoestrous ewes were randomly allocated to two treatments: Group 1, n=20, housed in individual pens, with a ram's pen situated between every two ewes...

  3. Effects of different housing systems on the behaviour of beef bulls - an on-farm assessment on Austrian farms

    Contributor(s):: Absmanner, E., Rouha-Mulleder, C., Scharl, T., Leisch, F., Troxler, J.

    Previous studies noted significant health and behavioural problems in cattle accommodated on fully slatted floors. As the majority of beef bulls in Austria are still housed on fully slatted floors the development of alternative housing systems becomes vitally important. On the basis of...

  4. Post-copulative guarding: mating behaviour of non-territorial male sika deer ( Cervus nippon ) in an enclosure

    Contributor(s):: Endo, A., Doi, T., Shiraki, A.

    The mating behaviour of 4 captive male sika deer, which had no territory or harem, was studied on Nozaki Island, Japan, during October 1990. The males were housed in an enclosure (0.32 square hectares) with 4 females and 1 male yearling. The dominance hierarchy of the males was recorded....

  5. Incidence of repeat-breeding among Angus bulls ( Bos taurus ) differing in sexual performance

    Contributor(s):: Araujo, J. W. de, Borgwardt, R. E., Sween, M. L., Yelich, J. V., Price, E. O.

    Rams exhibiting relatively high levels of sexual performance (HP) repeat-breed the same female fewer times than low-performing (LP) rams. The objective of this study was to determine if HP and LP bulls differed in their tendency to repeat-breed individual females. Eighteen sexually experienced...

  6. Artificial selection of rams for sexual performance and its effect on the sexual behavior and fecundity of male and female progeny

    Contributor(s):: Bench, C. J., Price, E. O., Dally, M. R., Borgwardt, R. E.

    The objective of this study was to determine the effect of a single generation of artificial selection for sexual performance in rams on the sexual behaviour and fecundity of their male and female progeny. Ninety-two ram lambs born to sires selected for either high or low sexual performance were...

  7. Male influence on proceptivity in ovariectomized French-Alpine goats ( Capra hircus )

    Contributor(s):: Billings, H. J., Katz, L. S.

    Proceptivity is defined as female sexual behaviours that bring the male into closer proximity and maintain his proximity and sexual motivation for mating to occur. The effect of contact with a male on the display of proceptivity was investigated in 7 progesterone- and estradiol-treated...

  8. The role of gonadal hormones in the occurrence of objectionable behaviours in dogs and cats

    Contributor(s):: Hart, B. L., Eckstein, R. A.

    This paper reviews laboratory studies and surveys of pet owners whose pets were castrated or spayed. The role of the placebo effect in the latter source of information is unknown. The information indicates that: (1) it is the sexually dimorphic behavioural patterns that are reduced or eliminated...

  9. Estrous expression in dairy cows and heifers ( Bos taurus ) following repeated PGF<sub>2</sub> alpha injection and choice of selecting a mounting partner

    Contributor(s):: Castellanos, F., Galina, C. S., Orihuela, J. A., Navarro-Fierro, R., Mondragon, R.

    Oestrus was synchronized with PG in 14 Holstein cows and 10 Holstein heifers on 6 occasions. Every 11 days, each animal received an intramuscular injection of 25 mg PGF2 except for the 5th and 6th synchronizations, when only half the animals were treated. Sexual behaviour was observed...

  10. Temperament and sexual experience affect female sexual behaviour in sheep

    Contributor(s):: Gelez, H., Lindsay, D. R., Blache, D., Martin, G. B., Fabre-Nys, C.

    Our aim was to study the effect of temperament and sexual experience on female sexual behaviour. We used ewes from a flock that had been genetically selected for 'calm' or 'nervous' temperament, in which oestrus was synchronized by a 14-day treatment with intravaginal progesterone sponge. Using...

  11. Observations on group mating of bulls at pasture

    Contributor(s):: Blockey, M. A. de B.

    Five experiments were carried out on the socio-sexual behaviour of beef bulls mated as a group to a herd of cows: (1) to predict the social dominance order in grouped bulls, (2) to investigate by computer simulation the group sizes needed to estimate accurately social dominance order, (3) to...

  12. Agonistic and mating behavior of adult chickens modified by social and physical environments

    Contributor(s):: Craig, J. V., Bhagwat, A. L.

    Agonistic and mating behaviour in 48 flocks of adult White Leghorn fowls was observed for 8 wk. A factorial experimental design allowed evaluation of behaviour as affected by genetic strain, presence or absence of males , age group (initial ages of 32 or 48 wk), and less crowded floor pens...

  13. The role of behaviour in swine production: a review of research

    Contributor(s):: Fraser, D.

    Scientific literature on pig behaviour and its practical applications was reviewed and discussed. Areas were identified where behavioural research is likely to produce major benefits in productivity. It was noted that some husbandry practices appear to be out of harmony with the behaviour of...

  14. Mating and other behavior of domestic geese

    Contributor(s):: Gillette, D. D.

    Goose mating behaviour consisted of enticing, exciting, mounting, treading, copulating, recovering and after-displaying. Its frequency indicated that ganders might mount and ejaculate a minimum of five times daily. It was defined and described how geese preen, dry-wash, bucket-wash, fluff, dust,...

  15. The role of behavior in sheep production: a review of research

    Contributor(s):: Gonyou, H. W.

    Sheep production systems vary throughout the world, but many of the limitations and problems of production are universal. The behaviour of sheep may be a limiting factor in some situations, while in others behaviour facilitates the operation. The allocation of spatial resources, grazing behaviour...

  16. The importance of the courting behaviour of the boar on the success of natural and artificial matings

    Contributor(s):: Hemsworth, P. H., Beilharz, R. G., Brown, W. J.

    Two studies were carried out at a commercial piggery. In the 1st study, the sexual behaviour of 24 boars of known breeding performance was observed. There was a correlation between the number of times the boar nosed the sides of the female and the CR achieved (0.48, P

  17. The effect of two post-weaning management systems on the social and sexual behaviour of zebu bulls

    Contributor(s):: Macfarlane, J. S.

    Over a 4-yr period, 200 Boran X Sahiwal bulls were reared on an unrestricted system (in a ranch herd of 400 head, comprising mature stud bulls) and 100 on a restricted system (in paddocks and in groups of 4-5 bulls, both remaining unchanged throughout). At about 3 yr of age and 450 kg live...

  18. Some observations on the role of behavior in poultry production and future research needs

    Contributor(s):: Maudlin, J. M., Graves, H. B.

    This review includes consideration of sexual behaviour of the domestic fowl in field observations.

  19. The role of behavior in poultry production: a review of research

    Contributor(s):: Siegel, P. B.

    Historically, behaviour has played a subtle but primary role in chicken meat and egg production. Although the implications of behaviour to husbandry practices have become more visible in recent years, research has lagged behind the technological changes which have occurred in poultry production....

  20. Sexual responses of pullets to selection for mating behavior in male chickens

    Contributor(s):: Siegel, P. B., Cook, W. T.

    Bidirectional selection for number of completed matings in cockerels resulted in lines differing in male sexual behaviour. No correlated responses, however, were observed in the sexual behaviour of S12, S13 and S14 generation pullets. The sexual behaviour of females was measured as courtings...