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Re finem for Annot ment a Prima tated nd En ates K Biblio vironm ...

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Line SW, Markowitz H, Morgan KN, Strong S 1989. Evaluation of attempts to enrich theenviron<strong>ment</strong> of single-caged non-human prim<strong>ates</strong>. In Animal Care a<strong>nd</strong> Use in Behavioral<strong>Re</strong>search: <strong>Re</strong>gulation, Issues, a<strong>nd</strong> Applications Driscoll JW (ed), 103-117. Animal WelfareIn<strong>for</strong>mation Center, Beltsville, MD"Rhesus macaques removed monkey biscuits from a puzzle feeder "despite the fact that the sameki<strong>nd</strong> of food was available free-choice at the twice-daily feedings."Lutz CK, Farrow RA 1996. Foraging device <strong>for</strong> singly housed longtailed macaques does notreduce stereotypies. Contemporary Topics in Laboratory Animal Science 35(3), 75-78"All [ten] subjects manipulated the <strong>for</strong>aging boards, but stereotyped behaviors a<strong>nd</strong> activitylevels were not significantly affected by the presence of the boards." Subjects "used" the boardsapproximately 2 minutes per 30 minute-observation sessions. "No reduction in board usage wasobserved over time of day or on repeated presentation, i<strong>nd</strong>icating that there was no novelty effector reduction in motivation."Maki S, Al<strong>for</strong>d PL, Bloomsmith MA, Franklin J 1989. Food puzzle device simulating termitefishing <strong>for</strong> captive chimpanzees (Pan troglodytes). American Journal of <strong>Prima</strong>tology19(Supple<strong>ment</strong>), 71-78"Significant reductions of abnormal behavior a<strong>nd</strong> significant increases in activity occurred withthe pipe feeder's availability. Species-typical tool-using activity occurred, a<strong>nd</strong> the use of the pipefeeder increased subjects' <strong>for</strong>aging a<strong>nd</strong> feeding activity toward more species-normative levels. ...Multiple puzzle devices should be available to group-housed animals to preclude ... aggressionarising from competition."Markowitz H 1979. <strong>En</strong>viron<strong>ment</strong>al enrich<strong>ment</strong> a<strong>nd</strong> behavioral engineering <strong>for</strong> captive prim<strong>ates</strong>.In Captivity a<strong>nd</strong> Behavior Erwin J, Maple T, Mitchell G (eds), 217-238. Van Nostra<strong>nd</strong><strong>Re</strong>inhold, New York, NYFood dispensing apparatuses were developed a<strong>nd</strong> successfully imple<strong>ment</strong>ed as feedingenrich<strong>ment</strong> options <strong>for</strong> group-housed gibbons, siamangs a<strong>nd</strong> diana monkeys. "Frequently, oftenwith free food in their ha<strong>nd</strong>s, they [gibbons] attempted to get the lights a<strong>nd</strong> levers to respo<strong>nd</strong>“a<strong>nd</strong> missed the opportunity to 'produce' food. "The problem of excess food lying arou<strong>nd</strong> a<strong>nd</strong>decaying on the floor had been reduced to a minimum."Maloney MA, Meiers ST, White J, Romano MA 2006 . Effects of three food enrich<strong>ment</strong> itemson the behavior of black lemurs (Eulemur macaco macaco) a<strong>nd</strong> ringtail lemurs (Lemur catta) aththe Henson Robinson Zoo, Springfield, Illinois. Journal of Applied Animal Welfare Science 9,111-127"The lemurs' behavior appeared [sic] to be most affected by the food enrich<strong>ment</strong> item thatrequired the most manipulation."Mentz I, Perret K 1999. <strong>En</strong>viron<strong>ment</strong>al enrich<strong>ment</strong> bei Flachla<strong>nd</strong>gorillas (Gorilla g. gorilla) -Beobachtungen zur Nahrungsaufnahme u<strong>nd</strong> zum Manipulationsverhalten. Der ZoologischeGarten 69, 1-15“Behavioural enrich<strong>ment</strong> possibilities include greater dispersal of food as well as the providingof food boxes or raisin sticks. Each gorilla was engaged intensively with the raisin sticks [5.8%of day], but were especially responsive to the food boxes [15,2% of day]."103

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