Use of melengestrol acetate in feed for contraception in herds of captive ungulates

Abstract 10.1002/zoo.10096.abs Herds of blackbuck antelope (Antilopa cervicapra) and barasingha (Cervus duvauceli), axis (Cervus axis), sambar (Cervus unicolor), and Formosan sika (Cervus nippon taiwanaus) deer at the Wildlife Conservation Society/Bronx Zoo (WCS/BZ) were fed melengestrol acetate (MGA) at a concentration of 0.000154% in pelleted feed for various periods of times during 1991–2001. The target dose […]

Aggression control in a bachelor herd of fringe-eared oryx (Oryx gazella callotis), with melengestrol acetate: Behavioral and endocrine observations

Abstract 10.1002/zoo.1036.abs Aggression control is becoming an important component in the management of animals in captivity, but rigorous quantification of aggressive behavior has heretofore been lacking. This study was done to assess the ability of melengestrol acetate (MGA) given with feed (1.54 mg/kg) to control aggression in a bachelor group of fringe-eared oryx (Oryx gazella […]

The effect of contraceptive implants on the behavior of female Rodrigues fruit bats, Pteropus rodricensis

Abstract 10.1002/(SICI)1098-2361(1996)15:13.3.CO;2-6 This study investigated the effects of a melengestrol acetate contraceptive implant on the behavior of captive Rodrigues fruit bats (Pteropus rodricensis). Eighteen female bats (nine controls and nine implanted animals) were studied over three 4 week periods: prior to implantation, immediately postimplantation, and 6 months postimplantation. The only significant differences found 6 months […]