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Author : Howard Paul Clemens
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Spawning Behavior of the Channel Catfish Ictalurus Punctatus written by Howard Paul Clemens and published by . This book was released on 1957 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Howard P. Clemens
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (812 download)
Download or read book The Spawning Behavior of the Channel Catfish Ictalurus Punctatus written by Howard P. Clemens and published by . This book was released on 1957 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Howard P. Clemens
Publisher : Forgotten Books
ISBN 13 : 9780484559379
Total Pages : 20 pages
Book Rating : 4.5/5 (593 download)
Download or read book The Spawning Behavior of the Channel Catfish Ictalurus Punctatus (Classic Reprint) written by Howard P. Clemens and published by Forgotten Books. This book was released on 2018-02-05 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Spawning Behavior of the Channel Catfish Ictalurus Punctatus Fish for spawning were selected during the breeding season, from the middle of April to the last week in July when water temperatures ranged from 70 to 85 F According to oral reports from the Federal fish-culturists of the southwestern United States, the largest or old est fish spawn first, while the smallest fish are usually the last to spawn. Each selected female was placed with a male in an aquarium The condition of the females for spawning was rated excellent, al though it was always difficult to evaluate the exact physiological condition. Each female was well-rounded, and the roundness of the abdomen extended past the pelvics tothe genital orifice. The belly was flaccid, and the genitals were raised and reddish. The females ranged from l4'to 17 inches in length. They received pituitary injections to induce spawning. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Author :
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (966 download)
Download or read book Lethal Doses of Several Commercial Chemicals for Fingerling Channel Catfish [and] Spawning Behavior of Channel Ictalurus Punctatus written by and published by . This book was released on 1967 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kermit E. Sneed
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.3/5 (91 download)
Download or read book Use of Fish Pituitaries to Induce Spawning in Channel Catfish written by Kermit E. Sneed and published by . This book was released on 1960 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seventy-two pairs of channel catfish Ictalurus punctatus were induced to spawn in glass aquaria by injecting fish pituitary into the females. Control of peritoneal lesions, infections, and adhesions, was anticipated by including 10,000 unites of crystalline penicillin-G with each injection. Spawning was induced by injecting acetone-dried pituitaries from carp, buffalofish, flathead and channel catfish, and gar. Pituitaries from these various species differed little, regardless of time of collection. The amount of pituitary material required to induce spawning varied from 3 to 32 milligrams per pound of fish weight, given in from 1 to 28 injections, with an average of 3. Most females required 3 injections at 2 milligrams per pound of body weight every 24 hours. The period of time from the last injection to spawning varied from 2 1/2 hours to 72 hours, but averaged 16 to 24 hours.
Author : Howard Paul Clemens
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (43 download)
Download or read book The Spawning Behavior of the Channel Catfish Iøcøtøaøløuørøuøsø Pøuønøcøtøaøløuøsø written by Howard Paul Clemens and published by . This book was released on 1957 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Douglas J. Strange
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (184 download)
Download or read book Techniques for Small-scale Spawning and Rearing of Channel Catfish, Ictalurus Punctatus written by Douglas J. Strange and published by . This book was released on 1981* with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael C. Duval
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.:/5 (156 download)
Download or read book Early Life History of Channel Catfish (Ictalurus Punctatus) in Navigation Pool 7 of the Upper Mississippi River written by Michael C. Duval and published by . This book was released on 1986 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Young-of-the-year (YOY) channel catfish (Ictalurus punctatus) were collected from Navigation Pool 7 of the upper Mississippi River near La Crosse, Wisconsin, USA. The objectives of this study were to describe distribution and abundance patterns, identify variations in growth, and determine food habits of YOY over the entire pool. Otolith aging technique was validated in the laboratory and used to evaluate growth of wild fish. YOY were captured by otter trawl at night in the navigable main channel during summer 1984 and 1985. A total of 296 YOY (15-83 mm SL) were collected in 1984 and 183 YOY (15-68 mm SL) in 1985. No significant differences in catch were detected throughout the pool. YOY appeared in the drift in mid-July, reached peak abundance in August, then declined sharply. In general, length did not differ significantly throughout the pool, although stations associated with a large backwater tributary produced significantly smaller fish early in both collecting seasons. No differences in growth between stations were detected. Smaller YOY appeared to feed in the water column on invertebrate drift, then switched to benthic invertebrates at about 50-mm SL. All reaches of the main channel appear to be of equal nursery value for channel catfish. A large backwater area in the pool may represent critical spawning habitat. Changes in feeding behavior dramatically affect catchability of YOY. Discharge is the major factor influencing adult spawning and YOY distribution patterns. Drifting YOY could be significantly impacted by hydropower development and commercial navigation. Otter trawling represents a means of evaluating channel catfish year-class strength. Current research gaps are presented.
Author :
Publisher :
ISBN 13 :
Total Pages : 1208 pages
Book Rating : 4.3/5 ( download)
Download or read book Special Scientific Report written by and published by . This book was released on 1960 with total page 1208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 790 pages
Book Rating : 4.:/5 (31 download)
Download or read book N.O.A.A. Technical Report NMFS SSRF written by and published by . This book was released on 1957 with total page 790 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Carla Markmann
Publisher :
ISBN 13 :
Total Pages : 178 pages
Book Rating : 4.:/5 (15 download)
Download or read book Gonadal Development and Hormonal Control of Spawning in the Channel Catfish, Ictalurus Punctatus written by Carla Markmann and published by . This book was released on 1982 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C.S. Tucker
Publisher : Elsevier
ISBN 13 : 0080472206
Total Pages : 686 pages
Book Rating : 4.0/5 (84 download)
Download or read book Biology and Culture of Channel Catfish written by C.S. Tucker and published by Elsevier. This book was released on 2004-09-30 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt: The history of channel catfish farming in the United States serves as a model for the development of pond-based aquaculture industries worldwide. Channel catfish farming is the largest and economically most important aquaculture industry in the United States. In 2003, over 300,000 metric tons (662 million pounds) of channel catfish were processed, representing about half the total United States aquaculture production. Demand for farm-raised catfish is strong, with record processing years in 2002 and 2003. In 22 chapters written by active scientists in the field, Biology and Culture of Channel Catfish comprehensively synthesizes over 30 years of research on this American icon. Throughout the book, fundamental biological aspects of channel catfish are linked to practical culture techniques. Topics include: • Latest information on reproductive physiology, genetics, and breeding • Comprehensive treatment of catfish nutrition, feeds, and feeding practices • Water quality management and pond dynamics • In-depth review of immunology in channel catfish • Practical information on diseases and health management • Techniques for commercial culture, including innovative techniques such as raceways, recirculating systems, and partitioned aquaculture systems • Catfish economics and marketing • Exploration of environmental concerns, including recommended Best Management Practices
Author : Robert Paul Lang
Publisher :
ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.:/5 (132 download)
Download or read book Induction of Early Out-of-season Spawning in Channel Catfish (Ictalurus Punctatus) written by Robert Paul Lang and published by . This book was released on 2001 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : U.S. Fish and Wildlife Service
Publisher :
ISBN 13 :
Total Pages : 596 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Progressive Fish Culturist written by U.S. Fish and Wildlife Service and published by . This book was released on 1989 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.:/5 (318 download)
Download or read book The Progressive Fish Culturist written by and published by . This book was released on 1971 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas E. McMahon
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.3/5 (91 download)
Download or read book Habitat Suitability Index Models written by Thomas E. McMahon and published by . This book was released on 1982 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J.R. Clark
Publisher : Elsevier
ISBN 13 : 0444600906
Total Pages : 420 pages
Book Rating : 4.4/5 (446 download)
Download or read book Wetlands of Bottomland Hardwood Forests written by J.R. Clark and published by Elsevier. This book was released on 2012-12-02 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: These Proceedings comprise two parts. Part I contains eight contributed papers on hydrology, fauna, soils, forests, agriculture and ecology. Part II comprises reports resulting from the five interdisciplinary workgroups whose participants included ecologists, botanists, zoologists, engineers, hydrologists, agrologists, dendrologists, resource managers and other specialists. Their aim was to evaluate conservation and management practices for wetland portions of the bottomland forests of the southeastern United States and to provide technical advice to responsible federal agencies. Thus the book is a state-of-knowledge review of scientific literature and current research, particularly that necessary to understand the effects of alterations such as forest clearing, land drainage or levee building that impair natural functions, i.e. production of timber, maintenance of water quality, flood water storage, support of migrating waterfowl and fish, carbon dioxide balance of the atmosphere etc.
