The effects of orchidectomy on bone density in marmosets (Callithrix. sp), evaluated with radiographic optical densitometry and quantitative ultrasound

• Grant number: 11/21557-8
• Support Opportunities: Scholarships in Brazil - Scientific Initiation
• Start date: February 01, 2012
• End date: December 31, 2012
• Field of knowledge: Agronomical Sciences - Veterinary Medicine
• Principal Investigator: Carlos Roberto Teixeira
• Grantee: Ligia Rigoleto Oliva
• Host Institution: Faculdade de Medicina Veterinária e Zootecnia (FMVZ). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil

Abstract

Wild animals bred in captivity, are commonly affected by failures in management and inadequate diets that can lead to changes and diseases, primarily those osteometabolic. The skeletal system is influenced by several factors such as age, diet, exercise, diet and hormones, including sex hormones. The Callitrichids reproduce easily, which can become a problem in management centers, in addition, the reproduction of these animals in captivity is prohibited by IBAMA, which requires appropriate and effective contraceptive methods. Orchiectomy is an effective and permanent method of contraception, however leads to hormonal changes. Therefore, this study aims to evaluate the effects of orchiectomy in the skeletal system Callitrichids in captivity, through monthly evaluations by radiographic optical densitometry and quantitative bone ultrasound during the six months after castration.(AU)