Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Jennifer Vonk"'
Publikováno v:
Zoo Biology. 40:89-97
Judgment bias tasks can reveal changes in affect in animals as a function of environmental manipulations such as provision of enrichment. We assessed affect in an American black bear across seasonal changes in availability of a mulberry bush. We used
Publikováno v:
Zoo Biology. 37:23-34
We investigated how forage material affects indicators of welfare in three male Western lowland gorillas (Gorilla gorilla gorilla) at the Detroit Zoo. In addition to their maintenance diet and enrichment foods, the gorillas generally received forage