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  1. Behavior of feral horses in response to culling and GnRH immunocontraception

    Contributor(s):: Ransom, J. I., Powers, J. G., Garbe, H. M., Oehler, M. W., Sr., Nett, T. M., Baker, D. L.

    Wildlife management actions can alter fundamental behaviors of individuals and groups, which may directly impact their life history parameters in unforeseen ways. This is especially true for highly social animals because changes in one individual's behavior can cascade throughout its social...

  2. Influence of immunisation against GnRF on agonistic and mounting behaviour, serum testosterone concentration and body weight in male pigs compared with boars and barrows

    Contributor(s):: Albrecht, A. K., Beilage, E. G., Kanitz, E., Puppe, B., Traulsen, I., Krieter, J.

  3. Castration induced pain in pigs and other livestock. (Special Issue: Pain in farm animals.)

    Contributor(s):: Rault, J. L., Lay, D. C., Jr., Marchant-Forde, J. N.

    Castration of male livestock being reared for meat has long been practiced, to prevent unwanted breeding, make management and handling easier, and to improve meat quality. However, castration is a painful procedure for the animal and has increasingly come under scrutiny from animal welfare...

  4. The effects of surgical and chemical castration on intermale aggression, sexual behaviour and play behaviour in the male ferret ( Mustela putorius furo )

    Contributor(s):: Vinke, C. M., Deijk, R. van, Houx, B. B., Schoemaker, N. J.

    The ferret (Mustela putorius furo) has become an increasingly popular pet animal, yet little is known about their behaviour and welfare. Inter- and intra-specific aggression and the intense musky scent are the two main reasons why male ferrets are normally surgically castrated. However, it is...

  5. Sexual behaviour after treatment with prostaglandin-F<sub>2 alpha </sub>; in boars with suppressed concentrations of gonadal steroids

    Contributor(s):: Estienne, M. J., Harper, A. F., Knight, J. W., Barb, C. R., Rampacek, G. B.

    We tested the hypothesis that prostaglandin-F2 alpha (PGF2 alpha ) enhances sexual behaviour in boars with suppressed testosterone and estradiol secretion. After semen collection at week 0, boars received an s.c. implant containing a gonadotropin-releasing hormone agonist (GnRHa) or were...