Collected Evidence: Collected Evidence: Primates: Formulate diet to reflect nutritional composition of wild foods (including removal of domestic fruits) One before-and-after study in the USA found that replacing milk with fruit juice in gorilla diets led to a decrease in regurgitation and reingestion. One replicated, before-and-after study in the UK found that when lemurs were fed a fruit-free diet aggression and self-directed behaviour were lower.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1329https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1329Thu, 13 Oct 2016 08:27:19 +0100Collected Evidence: Collected Evidence: Primates: Provide gum (including artificial gum) No evidence was captured for the effects of providing gum (including artificial gum) to primates. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested this action during our systematic journal and report searches. Therefore we have been unable to assess whether or not the action is effective or has any harmful impacts. Please get in touch if you know of such a study for this action.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1330https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1330Thu, 13 Oct 2016 08:29:14 +0100Collected Evidence: Collected Evidence: Primates: Provide nectar (including artificial nectar) No evidence was captured for the effects of providing nectar (including artificial nectar) to primates. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested this action during our systematic journal and report searches. Therefore we have been unable to assess whether or not the action is effective or has any harmful impacts. Please get in touch if you know of such a study for this action.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1331https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1331Thu, 13 Oct 2016 08:31:00 +0100Collected Evidence: Collected Evidence: Primates: Provide cut branches (browse) One replicated, before-and-after study in the Netherlands and Germany found that when presented with stinging nettles captive gorillas used the same processing skills as wild gorillas to forage.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1332https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1332Thu, 13 Oct 2016 08:33:09 +0100Collected Evidence: Collected Evidence: Primates: Provide live invertebrates One before-and-after study in the UK found that when provided with live insect prey inactivity reduced and foraging increased in captive loris to levels seen in wild loris.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1333https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1333Thu, 13 Oct 2016 08:35:55 +0100Collected Evidence: Collected Evidence: Primates: Provide herbs or other plants for self-medication No evidence was captured for the effects of providing herbs or other plants to primates for self-medication. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested this action during our systematic journal and report searches. Therefore we have been unable to assess whether or not the action is effective or has any harmful impacts. Please get in touch if you know of such a study for this action.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1334https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1334Thu, 13 Oct 2016 08:37:30 +0100Collected Evidence: Collected Evidence: Primates: Provide fresh produce One replicated, before-and-after study in the USA found that when fresh produce was offered instead of pellet feed more time was spent feeding and less time inactive in rhesus macaques.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1335https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1335Thu, 13 Oct 2016 08:40:05 +0100Collected Evidence: Collected Evidence: Primates: Modify ingredients/nutrient composition seasonally (not daily) to reflect natural variability No evidence was captured for the effects of modifying ingredients/nutrient composition of primate feed seasonally (not daily) to reflect natural variability. 'No evidence' for an action means we have not yet found any studies that directly and quantitatively tested this action during our systematic journal and report searches. Therefore we have been unable to assess whether or not the action is effective or has any harmful impacts. Please get in touch if you know of such a study for this action.  Collected Evidencehttps%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1336https%3A%2F%2Fwww.conservationevidence.com%2Factions%2F1336Thu, 13 Oct 2016 08:41:39 +0100
What Works 2021 cover

What Works in Conservation

What Works in Conservation provides expert assessments of the effectiveness of actions, based on summarised evidence, in synopses. Subjects covered so far include amphibians, birds, mammals, forests, peatland and control of freshwater invasive species. More are in progress.

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