Biennial Report of the State Conservation Commission of Wisconsin

Biennial Report of the State Conservation Commission of Wisconsin

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918 edition. Excerpt: ... who make a business of furnishing live bait. The successful resort owner is the man who keeps his guests well supplied with good bait. Water Conditions One of the vexing problems that we have been unable to solve, which exists at several of our hatcheries, is the great difference in the percentage of eggs that hatch, and the number of fish fry that will live and thrive when the water, to our best knowledge, is most suitable for their production. The point we wish to make can best be illustrated by a concrete example. We have a small hatchery for hatching pike fry at Spooner, Washburn county, also one at Mlnocqua, Oneida county, and one thirty miles east, at Eagle river, Vilas county. The water that we use at Spooner is backwater of a river dammed to develop water power. The source of our water supply at Minocqua is the overflow from a chain of lakes that empties into Tomahawk Lake. At Eagle River we obtain the water from the chain of lakes forming the headwaters of the Wisconsin river. The eggs for these hatcheries are secured from the waters near Minocqua, and except to Minocqua, must be transported by rail before being placed in hatching jars. The water supply at our Minocqua hatchery is the same from which the pike are caught to secure the spawn and should be ideal for that particular fish. Experience, however, proves the contrary. We have been able to hatch a much larger percentage of eggs at Spooner and Eagle River than at Minocqua in spite of the fact that the eggs must be transported by rail. After the eggs are hatched the fry do much better in the Spooner and Eagle River waters than they do at Minocqua. We have never suffered any loss of fry after they have been placed in reservoirs where they are held ready for distribution. What there...
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Product details

  • Paperback | 40 pages
  • 189 x 246 x 2mm | 91g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236575512
  • 9781236575517