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Full-Text Articles in Environmental Health and Protection

Wildlife In Texas: Marketing Potential And The Significance Of Wildlife Damage, Milo J. Shult Dec 1985

Wildlife In Texas: Marketing Potential And The Significance Of Wildlife Damage, Milo J. Shult

Great Plains Wildlife Damage Control Workshop Proceedings

This is a challenging topic to discuss, and I would first like to review some things which are unique to Texas with respect to wildlife populations. These concern the importance of wildlife from a commodity standpoint Then I would like to delve into some areas which tend to be a little more philosophical and focus on the impacts of total wildlife management, including wildlife damage control. Historically in our nation, wildlife has had ups and downs; there are a number of success stories in terms of management but also some obvious failures. I would like to be positive today concerning …

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Wildlife Diseases And Human Health, Keith A. Clark Dec 1985

Wildlife Diseases And Human Health, Keith A. Clark

Great Plains Wildlife Damage Control Workshop Proceedings

Zoonoses (singular, zoonosis) are diseases transmissible from animals to man. There are over 200 such diseases; many are harbored by wildlife reservoirs. A reservoir may be defined as a source which maintains the presence of a disease in an ecosystem. Wildlife-associated "zoonoses found in Texas include rabies, plague, tularemia, Rocky Mountain spotted fever, Lyme disease, leptospirosis, relapsing fever, typhus, and leprosy. The mission of the Zoonosis Control Division of the Texas Department of Health is to protect the health of Texas citizens against zoonoses. Surveillance programs for various diseases are an integral part of the overall control programs, which include …

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The Extirpation And Re-Establishment Of Coyotes In The Edwards Plateau Of Texas, Gary Nunley Dec 1985

The Extirpation And Re-Establishment Of Coyotes In The Edwards Plateau Of Texas, Gary Nunley

Great Plains Wildlife Damage Control Workshop Proceedings

In the early 1900's organized predator control was initiated to remove coyotes and wolves from the sheep and goat producing areas of Texas. Operations were begun in the Edwards Plateau, the largest area of sheep concentration. By the 1920's, many of the inner Edwards Plateau counties were considered to be practically free of coyotes (Canis latrans) and wolves (Canis lupus, Canis rufus). The 1950's found coyotes and wolves extirpated from most of the Edwards Plateau. After a coyote population erruption in the late 1950's, coyotes began to re-establish themselves on the periphery of the Plateau. This encroachment process continued throughout …

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Black-Tailed Prairie Dog Management On The Northern Great Plains New Challenges And Opportunities, Greg L. Schenbeck Dec 1985

Black-Tailed Prairie Dog Management On The Northern Great Plains New Challenges And Opportunities, Greg L. Schenbeck

Great Plains Wildlife Damage Control Workshop Proceedings

Implications of new information and several recent developments to the management of black-tailed prairie dogs (cynomys ludovicianusl on the northern plains are discussed. Of primary importance is the need to conduct management programs that are as cost-effective as possible and responsive to the concerns of private land interests. Research findings indicate that cost-effectiveness can be improved by combining rodenticide use with changes in livestock grazing practices to reduce habitat suitability for prairie dogs. Other research suggests that reduced concentrations of Compound 1080 for prairie dog control warrants continued scientific evaluation. If reduced concentrations of 1080 could be used effectively and …

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The Effect Of Dietary Protein And Feed Size On The Assimilation Efficiency Of Starlings And Blackbirds, Daniel J. Twedt Dec 1985

The Effect Of Dietary Protein And Feed Size On The Assimilation Efficiency Of Starlings And Blackbirds, Daniel J. Twedt

Great Plains Wildlife Damage Control Workshop Proceedings

Starlings (Sturnus vulgaris) were fed 3 feed sizes and 3 protein levels of swine feeds to determine metabolizable energy and assimilation efficiency. Metabolizable energy (12 kcal/g of diet consumed) and assimilation efficiency (3296 of gross energy intake) were independent of feed size. A 46% crude protein diet was 5196 assimilated and yielded more energy per gram of diet consumed than a 2196 crude protein diet which was only 35% assimilated. Starlings failed to maintain their body weight on a cracked corn diet containing 14% crude protein. Feeding behaviors of starlings due to their assimilation efficiencies are discussed and contrasted with …

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Beaver Problems Associated Wtth Conservation Activities, Ed M. Schwille Dec 1985

Beaver Problems Associated Wtth Conservation Activities, Ed M. Schwille

Great Plains Wildlife Damage Control Workshop Proceedings

As far back as 1935, the U.S. Department of Agriculture, Soil Conservation Service (SCS) began providing technical assistance to private landowners to build ponds and small lakes. To date in Texas, over 500,000 structures of this type have been built. During the 1940's, the SCS started construction of Watershed Protection and Flood Control Impoundments in Texas. These flood prevention structures number about 1,900. Other programs have brought about construction of over 16,000 grade stabilization structures (GSS) for erosion control. Numerous ponds and lakes have been built without any help from the SCS over the years. All of these impoundments store …

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Aggressive Behavior Of Mississippi Kites In Suburban Areas, Berkeley R. Peterson, Charles S. Brown Dec 1985

Aggressive Behavior Of Mississippi Kites In Suburban Areas, Berkeley R. Peterson, Charles S. Brown

Great Plains Wildlife Damage Control Workshop Proceedings

The Mississippi Kite is a small diurnal bird of prey which nests throughout the southern Great Plains. Its aggressive behavior during nesting has created problems for residents in suburban areas. The removal of the nest and relocation of the eggs and young will end the attacks by the parent birds. The eggs are incubated and the resulting young, as well as other young removed from problem nests, are then placed in foster nests in more remote areas.

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Alligator Nuisance Control Program In Texas: Problem And Process, Lee Ann Johnson, David S. Lobpries, Bruce G. Thompson Dec 1985

Alligator Nuisance Control Program In Texas: Problem And Process, Lee Ann Johnson, David S. Lobpries, Bruce G. Thompson

Great Plains Wildlife Damage Control Workshop Proceedings

Following protection of the American alligator (Alligator mississippiensis) in Texas beginning in 1969, alligator numbers have increased rapidly (Patter 1981). Such population increases led to the federal reclassification of the species from Endangered to Threatened--Similarity of Appearance in 1983 in Texas (Bowman 1983). Similarity of appearance classification acknowledges the biological security of the Texas alligator population and the need for specific harvest controls to ensure that the conservation of similar appearing species is not compromised.

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Wildlife Damage In Australia: Constructive Contrasts With The United States, Terrell P. Salmon Dec 1985

Wildlife Damage In Australia: Constructive Contrasts With The United States, Terrell P. Salmon

Great Plains Wildlife Damage Control Workshop Proceedings

There are numerous wildlife damage problems in Australia. The major pests include rabbits (Oryctolagus cuniculus), foxes (Vulpes vulpes), starlings (Sturnus vulgaris), feral cats (Felis catus), donkeys (Equus asinus), goats (Capra hircus), buffalo (Bubalus trutralis), pigs (Sus scrofa), all of which have been introduced. The dingo (Canis familiaris dingo), classified as being a native species by most people, is the primary native animal causing problems, although others, such as kangaroos and several native bird species, are pests in some areas. The Australians spend considerable amounts of money on wildlife damage control research. The people of Western Australia take a regulatory approach …

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Livestock Guarding Dogs Protect Domestic Sheep From Coyote Predation In Kansas, William F. Andelt Dec 1985

Livestock Guarding Dogs Protect Domestic Sheep From Coyote Predation In Kansas, William F. Andelt

Great Plains Wildlife Damage Control Workshop Proceedings

Sheep (Ovis aries) producers were surveyed in Kansas to determine the efficacy of livestock guarding dogs (Canis familiaris) for protecting sheep from coyote (Canis latrans) predation. The majority of producers rated their guard dogs' predator control performance as good or excellent, indicating. that the dogs reduced their reliance on other control methods and substantially reduced monetary losses.

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Wildlife Damage Control Program Needs Of County Extension Agents In Colorado, William F. Andelt Dec 1985

Wildlife Damage Control Program Needs Of County Extension Agents In Colorado, William F. Andelt

Great Plains Wildlife Damage Control Workshop Proceedings

County extension agents in Colorado indicated that extension bulletins were the most important type of assistance needed for their clientele in the area of wildlife damage control. County extension agents indicated that pocket gophers, prairie dogs, skunks, and coyotes were the most important of 32 species requiring extension information for their clientele.

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Reported Beaver Damage And Control Methods Used In Texas, Jan E. Loven Dec 1985

Reported Beaver Damage And Control Methods Used In Texas, Jan E. Loven

Great Plains Wildlife Damage Control Workshop Proceedings

Beaver have greatly increased their range in Texas due to restocking and construction of man-made water impoundments. Damages can generally be categorized into dike and impoundment damage, tree damage, and flooding or other damages. These total $9,326,541 for the fiscal years 1983, 1984, and 1985. Methods used to remove beaver include: conibear traps, leg-hold traps, snares, spotlighting, and technical consultation. Live traps are seldom used. Total number of beaver taken for fiscal years 1983, 1984 and 1985 is 5,158.

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Coyote Vulnerability To Several Management Techniques, Frederik F. Knowlton, Lamer A. Windberg, Cram E. Wahlgren Dec 1985

Coyote Vulnerability To Several Management Techniques, Frederik F. Knowlton, Lamer A. Windberg, Cram E. Wahlgren

Great Plains Wildlife Damage Control Workshop Proceedings

We appreciate this opportunity to present a brief synopsis of a complex field study recently completed near Laredo, Texas. It provides a preliminary assessment of differences in coyote vulnerability to several management tools At this point, our analyses are incomplete and interpretations are tentative, at best nonetheless, the data provide some insights and a basis for speculations and questions about coyote behavior, population processes, and the logistics of coyote population reduction. This research was sponsored by the U.S. Fish and Wildlife Service (through the Predator Ecology and Behavior Project) and the Caesar Kleberg Wildlife Research Institute, with generous assistance from …

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Seventh Great Plains Wildlife Damage Control Workshop Proceedings Dec 1985

Seventh Great Plains Wildlife Damage Control Workshop Proceedings

Great Plains Wildlife Damage Control Workshop Proceedings

Table of Contents

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Big Game Depredations And Damage Compensation In Wyoming, John R. Demaree Dec 1985

Big Game Depredations And Damage Compensation In Wyoming, John R. Demaree

Great Plains Wildlife Damage Control Workshop Proceedings

The Wyoming Game and Fish Department is responsible for controlling depredations by big game, trophy game, and game birds. Under certain guidelines landowners can submit a claim to the department for compensation from wildlife depredations. Measures used by department personnel to prevent wildlife damage are the use of scare devices, harassment techniques, repellents, fencing, trapping, issuing of kill permits, and modifying hunting seasons. In evaluating the damage to estimate monetary losses, sources of information used include AUM's, consumptive rates, fecal analysis, enclosures, production records, and necropsies. In terms of depredation compensation, the most costly species to the department over the …

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Rattlesnake Bites And Their Treatment, Thomas G. Glass Jr. Dec 1985

Rattlesnake Bites And Their Treatment, Thomas G. Glass Jr.

Great Plains Wildlife Damage Control Workshop Proceedings

An overview is given as to the various types of poisonous snakes and how to distinguish them from each other, what happens to the human snakebite victim, and how the layman and the physicican may prepare and handle this type of emergency. The method of snakebite treatment described is based on clinical experience with over 700 people bitten by poisonous snakes over the last 30 years. Numerous case histories are used to illustrate the points being made. This method of treatmet has been widely accepted and used throughout the world.

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Preliminary Field Evaluation Of A New Formulation Of Rozol (Chlorophacinone) Bait Against Pocket Gophers In Colorado, John Baroch, Richard M. Poche Dec 1985

Preliminary Field Evaluation Of A New Formulation Of Rozol (Chlorophacinone) Bait Against Pocket Gophers In Colorado, John Baroch, Richard M. Poche

Great Plains Wildlife Damage Control Workshop Proceedings

Mountain pocket gophers (Thomomys talpoides) and plains pocket gophers (Geomys bursarius) are a problem to rangelands in Colorado. A new chlorophacinone (50 ppm) pelleted bait was applied to active burrow systems by hand baiting. Efficacy on the Geomys plot was 100%, while 94.73% of the Thomomys were controlled with the product.

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The Use Of Fixed Wing Aircraft In Predator Control, Larry D. Vetterman Dec 1985

The Use Of Fixed Wing Aircraft In Predator Control, Larry D. Vetterman

Great Plains Wildlife Damage Control Workshop Proceedings

Aerial hunting was first used in a professional predator control program in 1942. The most popular aircraft used by animal damage control agencies is the Piper PA-18. Proper training of flight crews is of utmost importance for a successful aerie( operation. Fixed wing hunting is restricted to relatively open areas and flat terrain. Aerial hunting is an excellent control method where livestock losses are severe and immediate control is needed

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Furbearer Management And The Steel Foothold Trap, Samuel B. Linhart Dec 1985

Furbearer Management And The Steel Foothold Trap, Samuel B. Linhart

Great Plains Wildlife Damage Control Workshop Proceedings

The trapping of furbearers, particularly with steel foothold traps, has become more and more controversial. The controversy is significant because the steel trap is considered the most versatile of the various methods available for capturing furbearers (Payne 1980). Whether traps are used to reduce livestock losses by predators or to harvest furs, the controversy has gained the attention and interest of various social factions, each with differing beliefs, attitudes, and philosophies.

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The Extirpation And Re-Establishment Of Coyotes In The Edwards Plateau Of Texas, Gary Nunley Dec 1985

The Extirpation And Re-Establishment Of Coyotes In The Edwards Plateau Of Texas, Gary Nunley

Great Plains Wildlife Damage Control Workshop Proceedings

In the early 1900's organized predator control was initiated to remove coyotes and wolves from the sheep and goat producing areas of Texas. Operations were begun in the Edwards Plateau, the largest area of sheep concentration. By the 1920's, many of the inner Edwards Plateau counties were considered to be practically free of coyotes (Canis latrans) and wolves (Canis lupus, Canis rufus). The 1950's found coyotes and wolves extirpated from most of the Edwards Plateau. After a coyote population irruption in the late 1950's, coyotes began to re-establish themselves on the periphery of the Plateau. This encroachment process continued throughout …

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Preliminary Studies On The Feasibility Of Urban Rabies Control, Richard C. Rosatte Dec 1985

Preliminary Studies On The Feasibility Of Urban Rabies Control, Richard C. Rosatte

Great Plains Wildlife Damage Control Workshop Proceedings

A preliminary investigation was initiated in 1984 to determine the feasibility of an urban rabies control strategy which involved capturing, vaccinating and releasing skunks and raccoons in metropolitan Toronto, Ontario. Results indicate urban skunks and raccoons are utilizing extremely small home ranges and their movements are not extensive. Trapping data suggested a large proportion of the population of skunks and raccoons in the study area were captured during the first 4 nights of trapping. Capture data also indicated the presence of new animals in the study areas between trapping periods. The 3 study areas, which differed in human land-use classification, …

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The Use Of Population Reduction As A Technique To Combat Rabies In Alberta, Canada, Richard C. Rosatte Dec 1985

The Use Of Population Reduction As A Technique To Combat Rabies In Alberta, Canada, Richard C. Rosatte

Great Plains Wildlife Damage Control Workshop Proceedings

Control of rabies by reducing the density of potential vectors has been a controversial matter. Only 2 outbreaks of rabies in Europe are likely to have been completely eradicated by control, 1 in Dijon, France, in 1923, and the other in Corsica in 1943 (MacDonald 1980). Schnurrenberger et aL (1964) apparently controlled an outbreak of rabies in striped skunks (Mephitis mephitis) in Ohio by gassing dens and through the use of poison. An invasion of red fox (Vulpes vulpesl rabies in southern Jutland from Demark was initially halted by a gassing and poisoning campaign. However, in Great Britian, despite the …

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Wildlife Damage In Australia: Constructive Contrasts With The United States, Terrell P. Salmon Dec 1985

Wildlife Damage In Australia: Constructive Contrasts With The United States, Terrell P. Salmon

Great Plains Wildlife Damage Control Workshop Proceedings

There are numerous wildlife damage problems in Australia. The major pests include rabbits (Oryctolagus cuniculusl, foxes (Vulpes vulpes/, starlings (Sturnus vulgarisl, feral cats (felts catus/, donkeys (Equus asinusl, goats (Capra hircusl, buffalo (Bubalus trutralisl, pigs (Sus scrofal, all of which have been introduced. The dingo ICanis familiaris dingo/, classified as being a native species by most people, is the primary native animal causing problems, although others, such as kangaroos and several native bird species, are pests in some areas. The Australians spend considerable amounts of money on wildlife damage control research. The people of Western Australia take a regulatory approach …

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Black-Tailed Prairie Dog Management On The Northern Great Plains New Challenges And Opportunities, Greg L. Schenbeck Dec 1985

Black-Tailed Prairie Dog Management On The Northern Great Plains New Challenges And Opportunities, Greg L. Schenbeck

Great Plains Wildlife Damage Control Workshop Proceedings

Implications of new information and several recent developments to the management of black-tailed prairie dogs (cynomys ludovicianusl on the northern plains are discussed. Of primary importance is the need to conduct management programs that are as cost--effective as possible and responsive to the concerns of private land interests. Research findings indicate that cost-effectiveness can be improved by combining rodenticide use with changes in livestock grazing practices to reduce habitat suitability for prairie dogs. Other research suggests that reduced concentrations of Compound 1080 for prairie dog control warrants continued scientific evaluation. If reduced concentrations of 1080 could be used effectively and …

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Beaver Problems Associated Wtth Conservation Activities, Ed M. Schwille Dec 1985

Beaver Problems Associated Wtth Conservation Activities, Ed M. Schwille

Great Plains Wildlife Damage Control Workshop Proceedings

As far back as 1935, the U.S. Department of Agriculture, Soil Conservation Service (SCS) began providing technical assistance to private landowners to build ponds and small lakes. To date in Texas, over 500,00 structures of this type have been built. During the 1940'x, the SCS started construction of Watershed Protection and Flood Control Impoundments in Texas. These flood prevention structures number about 1900. Other programs have brought about construction of over 16,000 grade stabilization structures (GSS) for erosion control. Numerous ponds and lakes have been built without any help from the SCS over the years. All of these impoundments store …

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Appendix I, Dale A. Wade Dec 1985

Appendix I, Dale A. Wade

Great Plains Wildlife Damage Control Workshop Proceedings

A brief chronology of some events related to cancellation/suspension of the predacides (Compound 1080, strychnine, sodium cyanide) by the Environmental Protection Agency in 1972 and ensuing actions by federal and state agencies.

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Opening Address: The Importance Of Wildlife Damage Control In Texas, Zerle L. Carpenter Dec 1985

Opening Address: The Importance Of Wildlife Damage Control In Texas, Zerle L. Carpenter

Great Plains Wildlife Damage Control Workshop Proceedings

Let me first indicate that I have been interested in wildlife damage control programs for a good part of my life. My first experience, at the tender age of 6 years, was hard to accept when coyotes killed my 4-H pig. The importance of wildlife damage control has been clear to me since that time. Unfortunately, the importance of control is not often clear to those people who have not directly experienced wildlife damage. On my first arrival in Texas in 1962. coyote populations were increasing in the state. At that time I was given the charge from the Texas …

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Furbearer Management And The Steel Foothold Trap, Samuel B. Linhart Dec 1985

Furbearer Management And The Steel Foothold Trap, Samuel B. Linhart

Great Plains Wildlife Damage Control Workshop Proceedings

The trapping of furbearers, particularly with steel foothold traps, has become more and more controversial. The controversy is significant because the steel trap is considered the most versatile of the various methods available for capturing furbearers (Payne 1980). Whether traps are used to reduce livestock losses by predators or to harvest furs, the controversy has gained the attention and interest of various social factions, each with differing beliefs, attitudes, and philosophies.

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Efficacy And Farmer Acceptance Of Nonlethal Control Of Blackbird Depredations To Small Grain Crops, Albert E. Bivings Dec 1985

Efficacy And Farmer Acceptance Of Nonlethal Control Of Blackbird Depredations To Small Grain Crops, Albert E. Bivings

Great Plains Wildlife Damage Control Workshop Proceedings

In 1980, Congress responded to complaints of migratory bird damage to grain crops, principally rice, with added funding for enhanced Animal Damage Control (ADC) programs in Arkansas and Louisiana. This resulted in the establishment of an office in Stuttgart, Arkansas and a similar office in Crowley, Louisiana. Enabling legislation specifically directs the principal focus to be on rice/blackbird conflicts. This paper will present a review of the problems addressed in Arkansas, techniques utilized and the author's assessment of their efficacy and acceptability.

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Use Of Video Tapes In Wildlife Damage Extension - Education, F. Robert Henderson, Bart Hettenbach Dec 1985

Use Of Video Tapes In Wildlife Damage Extension - Education, F. Robert Henderson, Bart Hettenbach

Great Plains Wildlife Damage Control Workshop Proceedings

The purpose of this paper is to report on a telephone survey to 15 professional wildlife damage control workers in 9 of the 10 Great Plains states. North Dakota was the only state that was not contacted.

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