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The Outlook For Vertebrate Pest Control, Howard A. Merrill Mar 1970

The Outlook For Vertebrate Pest Control, Howard A. Merrill

Vertebrate Pest Conference Proceedings: 4th (1970)

Because of the increased concern for the environment and the public's positive action toward preservation of all forms of plant and animal life, future control methods for pest animals will require a greater degree of specificity than in the past. Vertebrate pest control does not face a very promising future unless the independent and cooperative effort of both industry and government is expanded. The time has passed when one could use a chemical simply because it was a good poison or repellent. Now, especially when food or feed crops are involved, it is necessary to know a lot more about …


Reproduction Inhibitors For Bird Control, M. R. Woulfe Mar 1970

Reproduction Inhibitors For Bird Control, M. R. Woulfe

Vertebrate Pest Conference Proceedings: 4th (1970)

Reproduction inhibitors are intended to maintain or control a population at a desired level; toxicants aim at elimination of the population. Azocosterol hydrochloride (SC-12937; 20,25-diazocholestenol dihydrochloride) is a long acting inhibitor of ovulation in the pigeon (Columba liyia) by interfering with cholesterol synthesis and egg yolk formation. Corn impregnated with SC-12937 at the 0.1% level by weight and fed for 10 days has been found to inhibit or diminish reproduction for 5-6 months. Population turnover rate, mortality and longevity of the feral urban pigeon are also discussed.


Importation Of Wildlife, Holger S. Larsen Mar 1970

Importation Of Wildlife, Holger S. Larsen

Vertebrate Pest Conference Proceedings: 4th (1970)

The importation of live birds, mammals, reptiles, fish and amphibians into the United States is a growing problem to law enforcement agencies of the Federal and State governments. Importation of the above types of animals into the United States is supervised by the Bureau of Sport Fisheries and Wildlife, of the U. S. Department of the Interior. The function is of a regulatory nature: 1. to insure that no prohibited species enter the United States; 2. to enforce compliance with certain Federal Acts such as (a) the Migratory Bird Treaty Act, (b) the Lacey Act, Title 18 USC, Sec. 42, …


Current Work On Bird Hazards To Aircraft, Victor E. F. Solman Mar 1970

Current Work On Bird Hazards To Aircraft, Victor E. F. Solman

Vertebrate Pest Conference Proceedings: 4th (1970)

Collisions between birds and aircraft have caused loss of human life and millions of dollars worth of property damage. The advent of even larger planes may reduce airframe damage, but it seems doubtful that engine damage will be significantly reduced. Dealing with the problem biologically, involves combating the hazards caused both by birds on or near the ground at airfields, and by birds on mass migrations at altitudes up to several thousand feet above ground. Airports can be designed or altered to minimize their attraction to birds. The chance arrival of a flock of birds must be treated as an …


The Organisation Of Rabbit Control (Oryctolagus Cuniculus) In Western Australia, A. R. Tomlinson, C. D. Gooding Mar 1970

The Organisation Of Rabbit Control (Oryctolagus Cuniculus) In Western Australia, A. R. Tomlinson, C. D. Gooding

Vertebrate Pest Conference Proceedings: 4th (1970)

ABSTRACT: Under Western Australian legislation, landholders have an obligation to control rabbits on their properties; local authorities the responsibility to supervise their work whilst the Agriculture Protection Board has a Statewide supervisory and co-ordination role. Prior to 1950 (when the Agriculture Protection Board was formed) the central role was in the hands of a Government department which, through lack of staff and money was unable to provide adequate supervision, and rabbits were in plague proportions. Since 1950, the Board has actively engaged in a vigorous policy aimed at tighter control and supervision. To enable this, the Board has entered into …


Agricultural Experiment Station News March 1970 Mar 1970

Agricultural Experiment Station News March 1970

Agricultural Research Division: News and Annual Reports

CONTENTS:
FROM THE DIRECTOR'S DESK
STAFF PROMOTIONS - 1970
PERSONNEL ACTIONS
GRANTS AND CONTRACTS
GENERAL NOTES
NEBRASKA AGRICULTURAL EXPERIMENT STATION PUBLICATIONS – March 1970
BULLETINS PRINTED


Rodenticides - Problems And Current Research, F. P. Rowe, J. H. Greaves, R. Redfern, A. D. Martin Mar 1970

Rodenticides - Problems And Current Research, F. P. Rowe, J. H. Greaves, R. Redfern, A. D. Martin

Vertebrate Pest Conference Proceedings: 4th (1970)

Regarded from both the economic and health aspects, the control of rodents is a pressing world wide problem. Continued improvements in food storage facilities, crop husbandry and environmental control are likely to do much in the long-term to help reduce rodent populations and damage. Looking ahead again, it is possible that biological control methods involving for example the use of reproduction inhibitors or rodent predators or diseases may ultimately be developed for rodent control purposes. In the immediate future however it is likely that rodent control operations will continue to be based on the use of rodenticides.


Whole Issue Nebraska Bird Review (March 1970) 38(1) Mar 1970

Whole Issue Nebraska Bird Review (March 1970) 38(1)

Nebraska Bird Review

TABLE OF CONTENTS

Treasurer's Report ...................... 2

1969 Nebraska Nesting Survey ...................... 3

1969 Fall Meeting and Fall Field Days ......................... 9

1969 Christmas Count ............................ 10

Winter Meeting .................................. ....15

Notes ...................... 16

Book Reviews...................... 20


A Permanent Type Poison Station For Porcupine Control, William A. Neitro Mar 1970

A Permanent Type Poison Station For Porcupine Control, William A. Neitro

Vertebrate Pest Conference Proceedings: 4th (1970)

A method has been devised to protect the poison strychnine-salt blocks used in controlling porcupines, Erethizon dorsatum, from the weather, killing of non-target animals and vandalism. An aluminum poison bait station has been developed which is light weight, durable, camouflaged, and safe. These structures are easily constructed and are relatively inexpensive when longevity is considered. Porcupines are controlled effectively and economically using this method


Conference Participants -- 4th Vertebrate Pest Conference, Mar 1970

Conference Participants -- 4th Vertebrate Pest Conference,

Vertebrate Pest Conference Proceedings: 4th (1970)

The Fourth Vertebrate Pest Conference was the largest ever, with 275 registered participants and an estimated additional 50 to 75 persons who attended portions of the conference but did not register. The attendance was made up of individuals having varying interests in vertebrate pest problems, including foresters, agriculturalists, conservationists, pest control operators, vector control specialists, health officials, wildlife specialists, product distributors and manufacturers, instructors and researchers from twenty nine states plus the District of Columbia. Participants from Canada, England, Germany and Japan provided an international touch which contributed greatly to the success of the conference.


Water Resources News, Volume 2, No. 3, March 1970 Mar 1970

Water Resources News, Volume 2, No. 3, March 1970

Water Current Newsletter

NWRRI Announces Approval of Matching Grant Proposals
National Environmental Policy Act of 1969 - Landmark Achievement
Chairman of Environmental Quality Council Named by Nixon
River System Engineering - Summer Short Course
Plan to Eliminate Thermal Pollution - Result in Navigation Channels?
Executive Director Appointed to Water Resources Council
Ecologic Aspects of Weather Modification
Ash Commission Reports on Civil Works Functions of the Corps
Hail Suppresion, Next Major Thrust of Weather Modification Research Program
USDA to Fight Water and Soil Pollution from Animal Wastes
Major Clean-Up Proposals Made by Nixon
NSF to Redirect Its Efforts
USGS to Lead Research in Underground …


The Prairie Naturalist Volume 2, No. 1. March, 1970 Mar 1970

The Prairie Naturalist Volume 2, No. 1. March, 1970

The Prairie Naturalist

EDITORIAL: Speaking of Ecologists ▪ Paul B. Kannowski

NEEDED: AN ETHICAL BASIS FOR ENVIRONMENTAL POLICY ▪ Gordon L. Iseminger

THE POPULATION PARADOX ▪ Gary L. Pearson

THE ENVIRONMENTAL CRISIS—A CALL TO ACTION ▪ Glen A. Sherwood

NORTH DAKOTA—1970 ▪ Philip B. Aus


Closing Remarks - Fourth Vertebrate Pest Conference, Rex E. Marsh Feb 1970

Closing Remarks - Fourth Vertebrate Pest Conference, Rex E. Marsh

Vertebrate Pest Conference Proceedings: 4th (1970)

On behalf of the California Vertebrate Pest Committee, which sponsors these conferences, I wish to thank all of the speakers for their contribution to the program and the session chairmen who kept the meeting moving so smoothly. We would like to extend a special thanks to the speakers and participants who have come from other countries to share with us some of their knowledge concerning vertebrate pest problems and their solutions. Hopefully, the acquaintances made here and the exchange of information with our colleagues from distant places will be the beginning of long-lasting friendships and will foster better communications between …


Horse Safety Guidelines, U.S. Department Of Agriculture -- Extension Service Feb 1970

Horse Safety Guidelines, U.S. Department Of Agriculture -- Extension Service

Nebraska 4-H Clubs: Historical Materials and Publications

The purpose of the National Horse and Pony Youth Activities Council is to help coordinate youth horse activities to obtain maximum benefit of the horse for developing youth. Since disregard of simple safety in handling horses can result in serious mishaps, knowledge and application of safety to riding is imperative to the purpose of the Council. Thus, the Council has developed guidelines to promote the safe use of the horse in an effort to improve the value of this animal in service to youth and society in general.

I Approaching

II Handling

III Leading

IV Tying

V Bridling

VI Saddling …


Growth In Weight Of Selected Organs, Tissues And Systems In The Pig, William J. Loeffel, Robert M. Koch Feb 1970

Growth In Weight Of Selected Organs, Tissues And Systems In The Pig, William J. Loeffel, Robert M. Koch

Nebraska Agricultural Experiment Station: Historical Research Bulletins

As a result of investigations at the Nebraska Agricultural Experiment Station in 1929, 1930 and 1931 to determine the effect of weight and degree of fatness of the pork carcass upon the quality and palatability of the meat, 40 pigs were slaughtered, five each at the approximate live weights of 70, 80, 90, 100, 115, 135, 160, and 180 kg. This corresponds to carcass weights ranging from 50 to 150 kg. The results of the meat investigations and feedlot data were reported elsewhere (Loeffel et al.,1943). This study reports data relative to the weight of selected tissues and organs, as …


83rd Annual Report Of The Nebraska Agricultural Experiment Station Feb 1970

83rd Annual Report Of The Nebraska Agricultural Experiment Station

Agricultural Research Division: News and Annual Reports

Contents:
Foreword
Administration and Staff
Nebraska Agricultural Experiment Station Research Projects
Experiment Station Publications
Publications of the Staff
Report of Income and Expenditures


Agricultural Experiment Station News February 1970 Feb 1970

Agricultural Experiment Station News February 1970

Agricultural Research Division: News and Annual Reports

CONTENTS:
FROM THE DIRECTOR'S OFFICE
DEPARTMENTAL REPORTS
PERSONNEL ACTIONS
GRANTS AND CONTRACTS
GENERAL NOTES
AGRICULTURAL EXPERIMENT STATION PUBLICATIONS- February 1970
BULLETINS PRINTED


Surfactants As Blackbird Stressing Agents, Paul W. Lefebvre, John L. Seubert Feb 1970

Surfactants As Blackbird Stressing Agents, Paul W. Lefebvre, John L. Seubert

Vertebrate Pest Conference Proceedings: 4th (1970)

Applications of wetting-agent solutions produce mortality in birds. The exact cause of death is undetermined, but it is believed that destruction of the insulating qualities of the plumage permits ambient cold temperatures and evaporation to lower the body temperature to a lethal level. The original concept of using these materials as bird-control tools was developed in 1958 at the Patuxent Wildlife Research Center, Bureau of Sport Fisheries and Wildlife, Laurel, Maryland. Early field trials by personnel of the Division of Wildlife Services and the Denver Wildlife Research Center indicated that ground-application techniques had promise, but limitations of the equipment precluded …


Winter Behavior Of The Eastern Box Turtle, Terrapene C. Carolina L., In Eastern Tennessee, Richard A. Dolbeer Jan 1970

Winter Behavior Of The Eastern Box Turtle, Terrapene C. Carolina L., In Eastern Tennessee, Richard A. Dolbeer

United States Department of Agriculture Wildlife Services: Staff Publications

A field study of winter movements and depths and types of hibernacula of the eastern box turtle, Terrapene carolina carolina L., was undertaken from October 1968-January 1969.


Ec70-220 1969 Dairy Report Jan 1970

Ec70-220 1969 Dairy Report

University of Nebraska-Lincoln Extension: Historical Materials

Extension Circular 70-220 contains the 1969 Dairy report.


Response Of Nuclear Emulsion To Electron Beams, Robert Katz, E. J. Kobetich Jan 1970

Response Of Nuclear Emulsion To Electron Beams, Robert Katz, E. J. Kobetich

Robert Katz Publications

A recent theory of particle tracks assumes that the probability P for grain development in nuclear emulsion depends on the local dose E of ionization energy deposited by secondary electrons (delta rays) in the neighborhood of the particle track. The response is assumed to be one of exponential survival; that is, if E0 is the dose for 37% survival, then P = 1 – exp (-E/E0). By calculation of the dose E(t) deposited at depth t in the emulsion by normally incident, monoenergetic electron beams, and applying the assumed dose-effect relationship, …


Ec70-1840 Plant Diseases : Dothistroma Needle Blight Of Pines, David Wysong Jan 1970

Ec70-1840 Plant Diseases : Dothistroma Needle Blight Of Pines, David Wysong

University of Nebraska-Lincoln Extension: Historical Materials

Extension Circular 70-1840: Plant Disease-Dothistroma needle blight of Pine; some typical symptoms, the fungus that cause Dothistroma needle blight, hosts, and control of Dothistroma needle blight. How to prepare fresh Bordeaux mixture, and information of career opportunities in plant pathology.


Ec70-837 Feeding Cattle? How Much Can You Afford To Pay?, Philip Henderson Jan 1970

Ec70-837 Feeding Cattle? How Much Can You Afford To Pay?, Philip Henderson

University of Nebraska-Lincoln Extension: Historical Materials

Extension Circular 70-837: Feeding Cattle-how much can you afford to pay; estimating income, two different type of costs of production, and how to estimating variable costs.


Ec70-839 Dressed, Live Price And Shrinkage Tables, Allen Wellman Jan 1970

Ec70-839 Dressed, Live Price And Shrinkage Tables, Allen Wellman

University of Nebraska-Lincoln Extension: Historical Materials

Extension Circular 70-839: Dressed, live, price and shrinkage table.


Ec70-841 Background Data : Importance Of The North Central Region In The U.S. & World Marketing Of Agricultural Products, Luc S. Muermans Jan 1970

Ec70-841 Background Data : Importance Of The North Central Region In The U.S. & World Marketing Of Agricultural Products, Luc S. Muermans

University of Nebraska-Lincoln Extension: Historical Materials

Extension Circular 70-841: Background data-importance of the North Central Region in the U.S. and World marketing of Agricultural Products; The exports and imports of the United States production, the North Central Region-share of United States production. The North Central Region-production and exports by commodity and State, and Commercial vs. Government financed exports.

Also published as North Central Regional Publication no. 28.


Ec70-1501 Entomology : Use Insecticides Safely, Robert E. Roselle, Carol Angle Jan 1970

Ec70-1501 Entomology : Use Insecticides Safely, Robert E. Roselle, Carol Angle

University of Nebraska-Lincoln Extension: Historical Materials

Extension Circular 70-1501 discusses the safe use of insecticides and is part of a series on entomology.


Bats Of The Genus Myotis From Western Mexico, With A Key To Species, J. Knox Jones Jr., Hugh H. Genoways, Larry C. Watkins Jan 1970

Bats Of The Genus Myotis From Western Mexico, With A Key To Species, J. Knox Jones Jr., Hugh H. Genoways, Larry C. Watkins

University of Nebraska State Museum: Mammalogy Papers

Distribution and variation in Mexican representatives of the vespertilionid bat genus Myotis have not been well documented. The most complete modern systematic treatment of these bats is that of Miller and Allen (1928), although these authors examined relatively few specimens and some of their taxonomic conclusions have been modified by more recent studies (see especially Findley, 1960; Findley and Jones, 1967; Genoways and Jones, 1969). In the past two decades, field representatives of the Museum of Natural History at The University of Kansas have obtained large collections of mammals in western Mexico, principally in the states of Jalisco and Sinaloa. …


Ec70-1508 Entomology...Western Bean Cutworm In Nebraska...And Its Control, Arthur F. Hagen, R. E. Roselle Jan 1970

Ec70-1508 Entomology...Western Bean Cutworm In Nebraska...And Its Control, Arthur F. Hagen, R. E. Roselle

University of Nebraska-Lincoln Extension: Historical Materials

Extension Circular 70-1508 discusses western bean cutworm in Nebraska....and its control as part of an entomology series.


Ec70-166 A Hand Sprayer For Herbicides, C. Fenster, L. Robison Jan 1970

Ec70-166 A Hand Sprayer For Herbicides, C. Fenster, L. Robison

University of Nebraska-Lincoln Extension: Historical Materials

Extension Circular 70-166: A hand sprayer for herbicides; material for two nozzle hand sprayer boom, how to build the boom, attaching pressure gauges and regulator, or calibrating the sprayer. Types herbicide for the tank, how to get correct amount of herbicide, using the sprayer, cleaning the sprayer, and safety precautions.


Ec70-225 Beef Feeding Suggestions For Finishing Cattle, Paul Q. Guyer, Walter R. Woods, Terry J. Klopfenstein Jan 1970

Ec70-225 Beef Feeding Suggestions For Finishing Cattle, Paul Q. Guyer, Walter R. Woods, Terry J. Klopfenstein

University of Nebraska-Lincoln Extension: Historical Materials

Extension Circular 70-225: Beef feeding suggestions for finishing cattle; non-nutrient factors influence ration selection, methods of formulating rations, computer formulation of rations, ration ingredients such as energy concentrates, roughages, or supplements. Some suggestions for nutrient specifications, formulating finishing rations, nutritional disturbances and formulating supplements.