Seasonal carcass composition and energy balance of female black ducks in Maine
Condor
By: K. J. Reinecke, T.L. Stone, and R.B. Owen
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Abstract
Female Black Ducks (Anas rubripes) collected in Maine during the summer, fall, and winter of 1974-1976 showed significant seasonal variation in body weight, nonfat dry weight, gizzard and pectoral muscle weight, and fat, moisture, and protein content. Variation of body weight within and among seasons was correlated more strongly with carcass protein content, and with fat content during seasons of heavy lipid deposition, than with three structural size variables (culmen, tarsus, and sternum). Regression equations including fat and protein as independent variables accounted for 80-90% of the annual and seasonal variation in body weight; structural size variables alone accounted for less than 30%.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Seasonal carcass composition and energy balance of female black ducks in Maine |
| Series title | Condor |
| DOI | 10.2307/1367447 |
| Volume | 84 |
| Issue | 4 |
| Year Published | 1982 |
| Language | English |
| Publisher | Oxford Academic |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 7 p. |
| First page | 420 |
| Last page | 426 |
| Country | United States |
| State | Maine |
| Google Analytic Metrics | Metrics page |