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crawfish manual
Crawfish Production Manual
Commercial sales of crawfish in Louisiana date back to the late 1800s, and today's crawfish industry includes millions of pounds harvested from farms and natural habitats in the state. This publication covers a wide range of topics on crawfish production, including crawfish biology, pond design, forage management, stocking, water quality, harvesting, marketing and much more. (PDF Format Only)
Cocahoe Minnow Production Manual
Cocahoe Minnow Production Manual
A comprehensive guide to culturing cocahoe minnows. This manual covers topics including spawning, feeding, disease, water quality, best handling practices, production economics, vendor contact information and more.
Aquatic Weed Control
Aquatic weeds are a common problem in recreational ponds. This document discusses aquatic weeds and ways of controling them.
Herbicides
Aquatic Weed Management: Herbicides
Herbicides are just one method of managing aquatic weeds. There are also: 1) preventive methods such as proper pond site selection and construction, fertilization andperiodic draw-downs; 2) biological methods such as grass carp (Ctenopharyngodon idella); and 3) mechanical methods such as cutting, seining and raking. Using a combination of methods is the most effective method of managing aquatic weeds.
Herbicide Safety, Technology and Application Techniques
Aquatic Weed Management: Herbicide Safety, Technology and Application Techniques
Aquatic herbicides are chemicals used to kill aquatic plants or severely interrupt their growth. About 200 herbicides are registered by the EPA for use in the United States, but only six are labeled for use in aquaculture sites. It is important that aquaculturists use these registered herbicides in a safe and effective manner.
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Alternate Uses for Ponds
This document discusses uses for ponds other than fishing. These include livestock watering, fire control, wildlife habitat and swimming. Includes figures.
Crawfish Culture: A Louisiana Aquaculture Success Story
Crawfish Culture: A Louisiana Aquaculture Success Story
The crawfish aquaculture industry, located primarily in Louisiana, has remained viable and resilient despite some considerable constraints. Success can be attributed to several factors.
Stocking Crawfish Ponds: 2005 Recommendations
Existing ponds normally do not need to be restocked. New ponds require 50-60 pounds per acre of mature crawfish. Drain ponds 2-3 weeks after stocking to allow time for crawfish to burrow into the ground.
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Springtime Problems
Springtime diseases and oxygen losses in fish ponds are common throughout the Southeast.
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Diseases in Pond Fishes
When fish are stressed, they are more susceptible to disease. This document discusses stress and diseases that fish can contract.
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Design and Construction
This document discusses important aspects of designing and constructing a recreational pond, along with illustrations of pond layouts and drainage options.
Legal Considerations for Recreational Ponds
This article introduces subjects that must be taken into consideration when creating a recreational pond, including permitting, public lands and waters, and liability.
Oxygen Depletion and Other Types of Fish Kills
This article explains causes, effects, and solutions for oxygen depletion. It also discusses other causes of fish kills, such as chemical contamination.
Managing Bass and Bream Populations
This article discusses the importance of managing bass and bream populations in your recreational pond and provides management recommendations.
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Renovation of Ponds
This document gives tips and information on renovating ponds to remove undesirable fish species.
Turbidity - Muddy Water
This document discusses causes of muddy pond water and ways to prevent and control it.
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Fertilization
Description:Proper use of fertilizer can increase fish yields two to five times. Fish are easier to catch in fertilized ponds because plankton turbidity limits their vision, causing them to be less wary. Plankton blooms also reduce light penetration to pond bottoms, preventing growth of troublesome aquatic weeds.
Water Quality
This article discusses the importance of water quality to a recreational pond and water quality characteristics.
Using Grass Carp in Aquaculture
Using Grass Carp in Aquaculture and Private Impoundments
Grass carp can effectively control aquatic vegetation, particularly submerged vegetation. The key to using grass carp is to stock the proper number based on their vegetation preferences, the water temperature, and the biomass and pond coverage of the plants.
Largemouth Bass
Largemouth Bass: Biology and Life History
The largemouth bass (Micropterussalmoides) is one of several “basses” that are actually members of the sunfish family. There are two recognized subspecies, the Florida and the Northern, which will blend genetically.
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