A5021467590- Animal Behavior and Reproduction
- Animal Nutrition and Physiology
- Animal Behavior and Welfare Studies
- Animal Vocal Communication and Behavior
- Amphibian and Reptile Biology
University of California, Davis
2022-2025
Animal Welfare Institute
2022
Acute stress response has been linked to body condition and associated with the allocation of finite energy resources in wild, free-living birds. However, relationship between individuals acute is less clear for birds kept captive settings, where are abundant readily available. We evaluated how individual variation condition, reflected as mass, relates adult Wood Ducks (Aix sponsa) hatched from eggs collected wild reared captivity while were fed ad libitum, out breeding season. determined...
Commercially housed Pekin ducks (Anas platyrhynchos) are typically reared in same sex groups to facilitate separate diet provisioning. Several female ducklings sometimes mixed into the otherwise all-male pens. This practice is thought increase flock reproductive success. To evaluate this hypothesis, we alternating same-sex (150 hens or 30 drakes/pen; 8 groups/sex) and evaluated impacts of rearing on drake mounting behavior, testosterone levels, fertility. At 12 days, three females were...