Estudo ecofisiológico dos fatores que influenciam o índice de massa corpórea e o perfil lipídico de saguis-do-nordeste Callithrix jacchus (Linnaeus, 1758)

Abstract

From all diary activities exhibit by common marmosets, Callithrix jacchus, probably food search, selection and ingestion is that one which show the greatest plasticity, mainly in places under major human influence. This work had the objective to monitored the behavior and diet, and also to measure the body weight and the plasm lipid profile from two free-living groups of marmosets in the Parque Estadual de Dois Irmãos (PEDI), Recife, Pernambuco, Brazil, between May to December of 2014. PEDI is a Atlantic Forest fragment and keep a Zoological Garden. Individuals from both groups were captured, managed for, among others proceedings, measured the body weight and collected blood samples. The Z and Q groups of marmosets used home ranges with different intensities of access for the forest, the public visit areas (food square and dump) and the fruits from the animals kept in the zoo cages. The behavior patterns and food items from the diet were categorized and analyzed between dry and wet seasons. Tukey Test does not identified significant differences between seasons, nor activity budget, nor diet from Z and Q marmosets groups. From provided items, the Z group ingest more industrialized/manufactured items, while the Q group preferably ate fruits from the animals kept in the zoo cages. Females exhibit major body weight than males. Despite the wide variation in the individual plasmatic concentration, the mean values of triglycerides (TG), total cholesterol (CT), high-density lipoproteins (HDL) and low-density lipoproteins (LDL) were higher in females than in males. Adult males from Q group exhibit great body weight and higher concentrations from all biochemistry parameters, with the exception of TG values, than adults males from Z group. The method used for the plasmatic analyzes was considered suitable.