Species | Percent |
| Macaca mulatta | 61.5 |
| Macaca fascicularis | 12.1 |
| Saimiri sp. | 11.3 |
| Callithrix sp./Saguinus sp. | 6.8 |
| Aotus trivirgatus | 4.5 |
| Pan troglodytes | 2.2 |
| Macaca arctoides | 1.3 |
| Cebus apella | 0.3 |
| o physiological measures |
| o performance during experiment |
| o behavior changes |
| o behavioral abnormalities (stereotypies, self-abuse, masturbation, coprophagy, urine-drinking) |
| o level of aggression |
| o facial expressions |
| o hair coat quality |
| o response to people |
| o dominance over cage neighbors |
| o general behavior normal for species |
| o appetite and body weight |
| o quality of vocalizations |
| o attention to surroundings |
| o immunologic state |
| o consistency in behavior |
Suggestions |
Frequency |
| Increase size of cage/more vertical space | 20.2% |
| Apparatus, toys, rope, swings | 17.0% |
| Perches, shelves (including the use of wood) | 10.8% |
| Pair/group house | 7.7% |
| Vary the diet | 7.0% |
| Natural lighting | 3.9% |
| Provide T.V., music | 3.9% |
| Use materials other than metal for the cage | 2.3% |
| Decrease the number of animals in a room | 2.3% |
| Increase the size of the rooms | 2.3% |
| Provide a central exercise area | 2.3% |
| Improve quality of caretaker time with animals | 2.3% |
| Paint the walls with colors | 1.6% |
| Wire mesh walls to increase visibility of cage neighbors | 1.5% |
| Central social area | 1.5% |
| Control over the environment | 1.5% |
| Provide the animals with hiding places | 1.5% |
| Improve the cage washing system | 1.5% |
| Improve the watering system | 1.5% |
| Provide nesting material for pregnant females | 0.8% |
| Flexible barriers between animals | 0.8% |
| Padded cages for recovery from anesthesia | 0.8% |
| Mirrors, house across from each other | 0.8% |
| Provide time outdoors | 0.8% |
| Feed throughout the day | 0.8% |
| Improve room lighting | 0.8% |
| Increase predictability of daily routine | 0.8% |
| Outdoor view, e.g via a window | 0.8% |
| self-mutilation |
| stereotypies |
| over-reaction to a stimulus |
| distress calls |
| physical appearance |
| appetite |
| social housing |
| perches in the cage |
| manipulanda in the cage |
| puzzle feeders on the cage |
| transport cage train the animals |
| exercise area |
| visual barriers for group housed animals |
| computerized watering system for isolator cages |
METHOD | AUTHOR | SPECIES |
| Behavioral | Alexander & Roth 1971 | Japanese macaque |
| Anderson 1983 | Stumptail macaque | |
| Baldwin & Suomi 1974 | Rhesus | |
| Bayne 1989 | Rhesus | |
| Bayne et al. 1989 | Rhesus | |
| Bayne & McCully 1989 | Rhesus | |
| Bernstein 1967 | Chimpanzee | |
| Bloom et al. 1989 | Rhesus | |
| Bloomsmith 1988 | Chimpanzee | |
| Bryant et al. 1988 | Cynomologus | |
| Chamove et al. 1973 | Rhesus | |
| Chamove et al. 1984 | Stumptail | |
| Champoux et al. 1987 | Rhesus | |
| Colman et al. 1976 | Human | |
| Cooper & Markowitz 1979 | Chimpanzee | |
| Crockett et al. 1989 | Macaques | |
| Dennis 1955 | Capuchin | |
| Dienske et al. 1980 | Rhesus | |
| Draper & Bernstein 1963 | Rhesus | |
| Eckert & Grober 1986 | Owl | |
| Elton & Anderson 1977 | Baboons | |
| Erwin 1979 | Pigtail | |
| Erwin & Deni 1979 | Rhesus | |
| Erwin 1986 | Rhesus, Pigtail | |
| Evans 1984 | Marmosets | |
| Fenton & Penny 1985 | Human | |
| Fritz & Fritz 1979 | Chimpanzee | |
| Gallup 1977 | Cynomolgus | |
| Gallup et al. 1980 | Rhesus | |
| Gallup 1982 | Monkeys & Apes | |
| Hall 1962 | Patas | |
| Harlow et al. 1971 | Rhesus | |
| Harlow & Suomi 1971 | Monkeys & Apes | |
| Horn 1980 | Chimpanzee | |
| Huebner & King 1979 | Rhesus | |
| Huebner & Kong 1984 | Squirrel | |
| Itakura 1987 | Japanese macaque | |
| Kraemer & McKinney 1979 | Rhesus | |
| Line 1987a | Rhesus | |
| Line 1987b | Rhesus | |
| MacLean 1964 | Squirrel | |
| Mineka et al. 1986 | Rhesus | |
| Nash & Chilton 1986 | Galago | |
| Novak & Harlow 1975 | Rhesus | |
| Novak 1979 | Rhesus | |
| Novak & Drewsen 1988 | Rhesus | |
| Oates 1987 | Monkeys & Apes | |
| O'Neill 1987 | Rhesus | |
| O'Neill 1988 | Rhesus | |
| O'Neill 1989 | Rhesus | |
| Paulk et al. 1977 | Rhesus | |
| Reinhardt et al. 1987a | Rhesus | |
| Reinhardt et al. 1987b | Rhesus | |
| Reinhardt 1989 | Rhesus | |
| Renquist & Judge 1985 | Rhesus | |
| Ruppenthal et al. 1976 | Rhesus | |
| Schmidt et al. 1989 | Rhesus | |
| Simpson 1984 | Rhesus | |
| Southwick 1967 | Rhesus | |
| Suomi et al. 1970 | Rhesus | |
| Suomi et al. 1971 | Rhesus | |
| Suomi & Harlow 1972 | Rhesus | |
| Suomi et al. 1973 | Rhesus | |
| Suomi 1973 | Rhesus | |
| Suomi et al. 1976 | Rhesus | |
| Suomi 1983 | Rhesus | |
| Watson et al. 1989 | Cynomologus | |
| Westergaard/Fragaszy 1985 | Cebus | |
| Westergaard/Lindquist 1987 | Lion-tail macaque | |
| Williams et al. 1989 | Squirrel | |
| Wolff 1989 | Squirrel | |
| Ecological | Baldwin et al. 1981 | Chimpanzee |
| Anderson et al. 1983 | Chimpanzee | |
| Horn 1980 | Chimpanzee | |
| Physiological | Pearce & Beauchamp 1988 | Cynomolgus |
| Stanton et al. 1985 | Squirrel | |
| Line 1987b | Rhesus | |
| Immunological | Coe et al. 1985 | Squirrel & Rhesus |
| Coe et al. 1988 | Squirrel |