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Effects of varying feed provision on behavioral patterns of farmed collared peccary (Mammalia, Tayassuidae)

By Selene S. C. Nogueira, Stella G. Calazans, Thaise S. O. Costa, Hélderes Peregrino, Sérgio L. G. Nogueira-Filho

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Abstract

Feeding enrichment regime has been widely employed as an important tool to mimic foraging behavior and improve farm animals’ welfare. Some authors have argued that creating some level of uncertainty in the animals’ environment is beneficial. Therefore, we evaluated the effects of challenge feeders plus spatial and temporal unpredictability as feeding enrichment on 18 captive peccaries. The ABAB experimental treatment sequence (A1-traditional feeders/B1-challenge feeders plus spatial unpredictability/A2-traditional feeders/B2-challenge feeders plus spatial unpredictability and feeding randomization time) was followed. The effects on peccaries’ feeding, resting, exploratory, and agonistic behavioral patterns were analyzed. We also compared effects on feed intake rate, live weight change, and on the concentrations of fecal glucocorticoid metabolites. All data were compared between the treatments by repeated ANOVA measures, including gender and groups as independent factors. There were no effects of sex or group on any behavioral patterns analyzed or on fecal glucocorticoid metabolite concentrations. During the enrichment phases the peccaries reduced resting time by 37% (7.6±0.4min vs. 12.1±0.5min, Ps

Publication Title Applied Animal Behaviour Science
Volume 132
Issue 3
Pages 193-199
ISBN/ISSN 0168-1591
DOI 10.1016/j.applanim.2011.04.002
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Tags
  1. Animal welfare
  2. Environment
  3. Feeding
  4. predictions
  5. wildlife