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The effects of plant nutritional chemistry on food selection of Mexican black howler monkeys (Alouatta pigra): The role of lipids
American journal of primatology, 2017-04, Vol.79 (4), p.1-15
Righini, Nicoletta
Garber, Paul A.
Rothman, Jessica M.
2017
Details
Autor(en) / Beteiligte
Righini, Nicoletta
Garber, Paul A.
Rothman, Jessica M.
Titel
The effects of plant nutritional chemistry on food selection of Mexican black howler monkeys (Alouatta pigra): The role of lipids
Ist Teil von
American journal of primatology, 2017-04, Vol.79 (4), p.1-15
Ort / Verlag
United States: Wiley Subscription Services, Inc
Erscheinungsjahr
2017
Link zum Volltext
Quelle
Wiley Online Library - AutoHoldings Journals
Beschreibungen/Notizen
Understanding the nutritional basis of food selection is fundamental to evaluate dietary patterns and foraging strategies in primates. This research describes the phytochemical composition of the foods consumed by two groups of Mexican black howler monkeys (Alouatta pigra) during a 15‐month field study, and examines how plant nutritional chemistry affected food choice. Based on indices of selectivity that reflected seasonal changes in the amount of different phenophases of the most consumed plant species and their availability in the environment, we found that, in general, howlers did not preferentially select food items based on their concentrations of protein, sugar, energy, or their protein‐to‐fiber ratio. During only one season of the year, the nortes (October–January), there was evidence for selectivity. During this period, selectivity indices correlated positively with the lipid content of foods ingested. However, a strategy of selecting fruits high in lipids (21–41% dry matter) coincided with the consumption of a leaf‐based diet (based on estimates of the dry weight of food ingested), suggesting that during this season howlers interchanged lipids with sugars to obtain energy and possibly to balance the higher protein intake obtained by the increased leaf consumption. Overall, these data did not support the prediction that food choice in this howler population was strongly correlated with particular nutrients, and suggest that balancing a suite of nutrients by consuming plants that vary widely in their composition may be an important strategy for howler monkeys. Am. J. Primatol. 79:e22524, 2017. © 2015 Wiley Periodicals, Inc.
Sprache
Englisch
Identifikatoren
ISSN: 0275-2565
eISSN: 1098-2345
DOI: 10.1002/ajp.22524
Titel-ID: cdi_proquest_miscellaneous_1888961101
Format
–
Schlagworte
Alouatta
,
Alouatta pigra
,
Animals
,
Annual variations
,
Composition
,
Diet
,
Dry matter
,
Food
,
food choice
,
Food composition
,
Food consumption
,
Food plants
,
Food Preferences
,
Food selection
,
Fruit
,
Leaves
,
Lipids
,
Monkeys
,
nutrient balancing
,
Nutrients
,
Organic chemistry
,
phytochemistry
,
Plant nutrition
,
Plant species
,
Primates
,
Proteins
,
Seasonal variations
,
Selectivity
,
selectivity index
,
Sugar
,
Weight
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