Methods for the investigation of the statistics of the commercial fisheries of the Great Lakes
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Abstract
During the summer and fall of 1939 four experiments were conducted at the Patuxent Research Refuge, Bowie, Maryland, to determine the protein requirements of bobwhite chicks. A total of 816 chicks were used to compare six levels of protein, namely, 22,24,26, 28, 30, and 32 per cent.....From the three standpoints of survival, rate of growth, and efficiency of feed utilization for the first ten weeks of life, the 28 per cent level of protein gave the best results. During the ninth and tenth weeks, the highest efficiency of feed utilization was obtained on the 22 per cent level. The results indicate that after the birds have reached about twothirds of their mature weight, the difference in efficiency between a diet containing 28 per cent of protein and one containing 22 per cent may be small enough to justify, in the interest of economy, the use of a diet containing the lower percentage of protein.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Methods for the investigation of the statistics of the commercial fisheries of the Great Lakes |
| Series title | Transactions of the American Fisheries Society |
| DOI | 10.1577/1548-8659(1933)63[292:MFTIOT]2.0.CO;2 |
| Volume | 63 |
| Issue | 1 |
| Year Published | 1933 |
| Language | English |
| Publisher | Taylor & Francis |
| Contributing office(s) | Great Lakes Science Center |
| Description | 13 p. |
| First page | 292 |
| Last page | 305 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |