Hand-rearing protocol and comparison of growth rates in parent reared versus hand reared offspring: a case study in Callicebus cupreus

Authors

  • Paige Bwye Bristol Zoo Gardens
  • Alan Toyne Bristol Zoo Gardens

DOI:

https://doi.org/10.19227/jzar.v8i2.469

Keywords:

Callicebus cupreus, coppery titi, hand reared, parent reared, growth rate

Abstract

The European Endangered Species Programme (EEP) for coppery titi monkeys (Callicebus cupreus) has a total population of 90 individuals within zoos that suffer from low reproduction rates and high neonatal mortality. Bristol Zoo Gardens (BZG) housed a breeding female from 2012 who first showed signs of pregnancy in 2017. During parturition, the female died from shock secondary to uterine prolapse. In order to ensure the survival of the infant it was hand-reared. This infant offered the opportunity to trial a hand-rearing protocol for Callicebus. The aim of this publication is to report the first detailed hand rearing protocol for the species and to compare the growth rates of two hand-reared infants against and seven parent-reared titi monkeys using information on growth rates gathered using ZIMS. Day had a significant effect on the weight of both hand-reared and parent-reared titi monkeys (F(1,57)=919.3, p<0.001, np2 =0.942). Parent-reared titi monkeys had significantly higher growth rates (457.9±9.3) compared to the hand-reared (390.7±11.1) titi monkeys (F(1,57)=19.804, p<0.001, np2 =0.258). Despite the differences in growth rates between the hand-reared and mother-reared infants the rearing protocol used was considered successful due to the infant being the first hand reared coppery titi monkey to survive to adulthood without any nutritional deficiencies. Further research is needed to develop this protocol to include more natural feeding and socialisation procedures to improve hand reared coppery titi monkey growth and development in captivity and other Callicebus species in the future.

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Published

30-04-2020

How to Cite

Bwye, P., & Toyne, A. (2020). Hand-rearing protocol and comparison of growth rates in parent reared versus hand reared offspring: a case study in Callicebus cupreus. Journal of Zoo and Aquarium Research, 8(2), 146–151. https://doi.org/10.19227/jzar.v8i2.469

Issue

Section

Evidence Based Practice

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