The role of fire in shaping avian communities in sagebrush ecosystems

Studies in Avian Biology
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Four experiments were conducted to examine the riboflavin, niacin, pantothenic acid and choline requirements of young Bobwhite quail. Quail fed purified diets deficient in either riboflavin, niacin, pantothenic acid or choline grew poorly and high mortality occurred by 5 weeks of age. Under the conditions of these experiments, it was found that: (1) young quail require approximately 3.8 mg. riboflavin/kg. diet for satisfactory growth and survival; (2) no more than 31 mg. niacin/kg. diet are required for normal growth and survival of young quail; (3) the requirement for pantothenic acid is higher than has previously been reported, quail in these studies requiring 12.6 mg. pantothenic acid/kg. feed for growth and survival; and (4) the requirement for choline for reducing mortality is approximately 1000 mg./kg., while the amount necessary for normal growth of young quail is no greater than 1500 mg./kg. when the diet contains ample amounts of methionine. Quail fed a niacin-deficient diet developed stiff, shortened feathers and an erythema about the head; those receiving a riboflavin-deficient ration developed enlarged hocks and bowed legs, as did quail fed diets low or devoid of choline. Aside from slow growth, poor feathering was the only other indication that a deficient diet was being fed when quail were placed on a basal ration without pantothenic acid for five weeks.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title The role of fire in shaping avian communities in sagebrush ecosystems
Series title Studies in Avian Biology
Volume 30
Year Published 2005
Language English
Contributing office(s) Forest and Rangeland Ecosystem Science Center
Description p.63-75
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Studies in Avian Biology
First page 63
Last page 75
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