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Abstract
Blood chemistry and packed cell volume (PCV) did not vary among groups of captive canvasbacks (Aythya valisineria) maintained ad libitum on 5 diets varying in metabolizable energy (ME) and protein. Ducks fed low quality diets increased their consumption so that all ducks were obtaining similar amounts of energy and protein. Some variables, including cholesterol, were found to differ between the sexes and ages of captive ducks. Seasonal differences were detected in the blood chemistry of captive canvasbacks. Four of the 5 enzyme values increased from October to January and then declined to April. PCV increased from 45 in October to 51 in April. Overall, blood chemistry values and PCV's were highly variable and did not appear to be good discriminators for age, sex, and diet of captive canvasbacks. Differences detected between captive and wild canvasbacks were attributed to increased stress of wild ducks during handling.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Blood chemistry and hematocrit of captive and wild canvasbacks |
| Series title | Journal of Wildlife Management |
| Volume | 50 |
| Issue | 3 |
| Year Published | 1986 |
| Language | English |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 435-441 |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Wildlife Management |
| First page | 435 |
| Last page | 441 |
| Google Analytic Metrics | Metrics page |