Lipids (oils and fats) are important in amphibian diet both in their quantity and quality. Too greater
percentage of lipids in the diet can lead to either obesity, or an imbalance in the diet in respect to
protein or other nutrients. Not only must the amount of lipids be optimal but also the types of lipids.
In particular the amounts and types of saturated and unsaturated fatty acids must be balanced.
Insects range from less than 10% to more than 30% fats on a fresh weight basis, and are relatively
high in the essential C18 fatty acids, oleic acid (18: 1), linoleic acid (18:2) and linolenic acid (18:3)
(DeFoliart, 1991). The Coleoptera (beetles and weevils) are generally particularly high in C 18:2 while
the Lepidoptera (butterflies and moths) are particularly high in C 18:3 (Fast, 1970).
Lipids (oils and fats) are important in amphibian diet both in their quantity and quality. Too greaterpercentage of lipids in the diet can lead to either obesity, or an imbalance in the diet in respect toprotein or other nutrients. Not only must the amount of lipids be optimal but also the types of lipids.In particular the amounts and types of saturated and unsaturated fatty acids must be balanced.Insects range from less than 10% to more than 30% fats on a fresh weight basis, and are relativelyhigh in the essential C18 fatty acids, oleic acid (18: 1), linoleic acid (18:2) and linolenic acid (18:3)(DeFoliart, 1991). The Coleoptera (beetles and weevils) are generally particularly high in C 18:2 whilethe Lepidoptera (butterflies and moths) are particularly high in C 18:3 (Fast, 1970).
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