Documents of the Assembly of the State of New York Volume 73

Documents of the Assembly of the State of New York Volume 73

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1908 edition. Excerpt: ...river, and the trout run up into the stream to spawn in fresh water, usually beginning in January. Other Long Island clubs are restocking their waters with rainbow trout. One excellent reason for this return to the rainbow is its immunity from the ulcer disease which affects brown trout so seriously on Long Island and elsewhere. It is practically useless to collect eggs from old stock fish. This has proved to be the case at three of the trout stations. The old fish yield large quantities of shucks, and in some instances many of their eggs develop what is known as white sac. In exchange for smelt from the Cold Spring Harbor station, Foreman Walters received some rainbows that were reared at the Bellefonte, Pa., hatchery. Some eggs of this fish are purchased in Michigan. Thus an attempt is made to introduce new blood and keep up a good supply of healthy fish. BLACK SPOTTED TROUT. Five thousand eggs of this species were taken in Little Green pond at the Adirondack Hatchery, but all of the eggs which hatched died early. The successful introduction of this species into New York waters has not yet been accomplished. In many other localities it has been found extremely difficult to obtain good eggs from black spotted trout retained in ponds. A great drawback to the extensive distribution of this species is the late spawning period. The eggs are taken in May or June, they have a short incubation period, and on account of the high temperature of the water at the time of spawning, the ova are transported only with great difficulty. BROWN TROUT. The principal fatalities affecting this trout during 1906 were due to the well-known ulcer disease, to a failure to feed in the early stages of growth, and to acute inflammation of the gills and intestines...
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Product details

  • Paperback | 134 pages
  • 189 x 246 x 7mm | 254g
  • English
  • Illustrations, black and white
  • 1236946170
  • 9781236946171