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Bobwhite Thesaurus, Thomas G. Scott Jan 1985

Bobwhite Thesaurus, Thomas G. Scott

Galliformes Specialist Group and Affiliated Societies: Reports and Other Materials

The Bobwhite Thesaurus was assembled with the belief that it  would make the voluminous literature more accessible. Publications  on the bobwhite have become so numerous and have been published  in so many different places that today's bobwhite researcher is seldom able to conduct the library search required to unearth all pertinent material. This results in failure to acknowledge and use prior  findings.

An effort has been made to seek out and index all publications  issued prior to 1983 that contain information on the bobwhite. All  publications found have been included irrespective of their apparent  worth excepting anonymous papers. Publications which …


An Analysis Of The Doctrine That "First In Time Is First In Right", Lawrence Berger Jan 1985

An Analysis Of The Doctrine That "First In Time Is First In Right", Lawrence Berger

Nebraska Law Review

I. Introduction

II. First Occupancy versus Common Ownership

III. Conflicts between Prior and Subsequent Private Claimants ... A. A Reward for Efforts—Encouraging Productivity ... 1. The Animal Cases ... 2. The Protection of Ideas ... B. The Policy of Security of Title ... 1. Herein of Larceny, Finding, Adverse Possession, and Prescription ... a. Prescription as a Last in Time Rule ... b. Prescription as a First in Time Rule ... 2. Presumption of Validity of a Second Marriage ... 3. Priorities and Recording in Realty Transactions ... 4. More Than One Assignment of the Same Right ... C. Conflicts …


Program Characteristics Of Semesterized Secondary Vocational Agriculture/Agribusiness Programs Which Promote Student Involvement In Supervised Occupational Experience Programs And Ffa Leadership Activities, Lloyd C. Bell Dec 1984

Program Characteristics Of Semesterized Secondary Vocational Agriculture/Agribusiness Programs Which Promote Student Involvement In Supervised Occupational Experience Programs And Ffa Leadership Activities, Lloyd C. Bell

Department of Agricultural Leadership, Education, and Communication: Dissertations, Theses, and Student Research

The purpose of this study was to identify program characteristics of semesterized secondary vocational agriculture/agribusiness programs which promote student involvement in supervised occupational experiences and FFA leadership activities. The design of this study utilized three data collection instruments. The first instrument was an SOEP/FFA involvement survey developed by the author. The second instrument was developed by the author and solicited SOEP and FFA program characteristics deemed necessary in a semesterized program by instructors of the cooperating schools. The third instrument, an SOEP/FFA program characteristic opinionnaire, was developed by the author as a result of the program characteristics submitted by participating …


Ard News December 1984 Dec 1984

Ard News December 1984

Agricultural Research Division: News and Annual Reports

CONTENTS:
PRODUCTION RESEARCH PERSPECTIVE
JOINT COUNTY PRIORITIES
WATER RESOURCES CENTER PROPOSALS
NEW FACULTY APPOINTMENTS
BIOTECHNOLOGY PROGRESS REPORT
PART-TIME CSRS APPOINTMENTS
OFFICIAL IANR LOGO
PROGRESS ACCOMPLISHMENT REPORT
STEPS TO STAGNATION
AMERICAN AGRICULTURE
RESEARCH GRANTS AND CONTRACTS RECEIVED NOVEMBER 1984
CANCER AND SMOKING DISEASE RESEARCH ANNOUNCEMENT OF FY 1915-15 REQUESTS FOR APPLICATION
NEW PROJECT


Nebraska Bird Review (December 1984) 52(4), Whole Issue Dec 1984

Nebraska Bird Review (December 1984) 52(4), Whole Issue

Nebraska Bird Review

An Exceptional “Fall” Migration of Shorebirds along the Big Bend Reach of the Platte River … 70

1984 Fall Field Day … 71

Least Tern Eggs in Nests of the Piping Plover … 72

Nesting Common Moorhen in Lancaster County … 74

Cattle Egrets and White-faced Ibises Nesting at Valentine Refuge … 6

Notes … 76

Index of Volume 52 … 78


“Notes” From Nebraska Bird Review (December 1984) 52(4) Dec 1984

“Notes” From Nebraska Bird Review (December 1984) 52(4)

Nebraska Bird Review

EARLY NESTING WOOD DUCKS. On 7 May 1983 I found a female Wood Duck with newly hatched ducklings at Cedar Island, a property along the Platte River in Sarpy County owned by Metropolitan Utilities District.—Ruth C. Green, Bellevue

GREAT CRESTED FLYCATCHER NEST. On 20 June 1984 I saw Great Crested Flycatchers nesting in a bluebird box. This was at Beaver Lake, Cass Co.—Ruth C. Green, Bellevue

LAZULI BUNTING. I saw a male Lazuli Bunting by the railroad tracks at the foot of Child’s Hollow in Fontenelle Forest, Sarpy County, on 14 May 1984.—Ray Korpi, Bellevue

GOLDEN-CROWNED SPARROW IN BOX BUTTE …


An Exceptional "Fall" Migration Of Shorebirds Along The Big Bend Reach Of The Platte River, Gary R. Lingle, Thomas E. Labedz Dec 1984

An Exceptional "Fall" Migration Of Shorebirds Along The Big Bend Reach Of The Platte River, Gary R. Lingle, Thomas E. Labedz

Nebraska Bird Review

The Big Bend reach of the Platte River extends about 80 miles from Overton to Chapman, Nebraska. This area is characterized by braided channels with numerous riverine islands bordered by cottonwoods (Populus deltoides) and willows (Salix spp.) along the high banks. Habitat between the high banks consists of open water, barren sandbars and mudflats, herbaceous islands, shrub islands, and floodplain forest.

Prolonged summer flows during 1983 were among the highest recorded this century; in excess of 20,000 cfs (cubic feet per second). Spring 1984 also consisted of high flows resulting in much scouring and shifting of …


Index To Volume 52 Dec 1984

Index To Volume 52

Nebraska Bird Review

Accipiter sp. 14

Adcock, Dorothy 18, 58

Alexander, George 17

Irene 17

Alfred, Norris 3, 23, 56

Allison, Mary 18

Anderson, RoseAnn 17

Sheridan 17

Ardinger, Bruce 18

Arrowhead (plant) 21

Avocet, American 6, 30, 55(2), 76

. . .

Yellowlegs, Greater 6, 30, 55, 60, 70, 71

Lesser 6, 30, 55, 70, 71

Yellowthroat, Common 11, 33, 40, 41, 50, 64

Zeillemaker, C. Fred 26, 28(6), 29(4), 30(5), 31(3), 32(6), 33, 34(5)

Melly 26


Nesting Common Moorhen In Lancaster County, William C. Garthright Dec 1984

Nesting Common Moorhen In Lancaster County, William C. Garthright

Nebraska Bird Review

On 6 July 1984, at 6 PM CDT, I saw a Common Moorhen at the Capitol Beach marsh, in Lincoln. It was about 10 yards to the north when I first saw it, and I could see the red facial shield and red bill with yellow tip, the yellow legs, a thin white horizontal line along the side, and prominent white patches along either side of dark undertail coverts. It acted mildly agitated, and swam away from me but stayed in the vicinity.

At 7 the next morning I waded into the pond at that spot. This time I saw …


Masthead From Nebraska Bird Review (December 1984) 52(4) Dec 1984

Masthead From Nebraska Bird Review (December 1984) 52(4)

Nebraska Bird Review

Published quarterly in March, June, September, and December by the Nebraska Ornithologists' Union, Inc., as its official journal and sent free to all members who are not in arrears for dues. Subscriptions (on calendar year basis only) are $7.00 per year in the United States and $9.00 per year in all other countries payable in advance. Single copies are $2.25 each, postpaid.

Memberships (on a calendar year basis only): Student, $.3.00; Active, $7.00; Sustaining, $15.00; Family Active, $10.00; Family Sustaining, $20.00; Life, $100.00.

All dues and subscriptions should be remitted to the Treasurer, Mrs. Jack Shafer, RR2, Box 61, Wood …


1984 Fall Field Day Dec 1984

1984 Fall Field Day

Nebraska Bird Review

The 1984 Fall Field Day was held (officially) from noon to noon, 6/7 October, at the4-H Camp at Halsey National Forest. The weather was not the best—light rain early Saturday morning, only a couple of short showers in the afternoon, and no rain Sunday, both days dull and gray. But the attendance was good—87 were officially registered—but the added manpower could not make up for the lateness in the season and the poor weather—the tally on or near the Forest was only 81. In addition, 4 species (marked N) not recorded in the Forest were seen by a party that …


The Prairie Naturalist Volume 16, No. 4. December 1984 Dec 1984

The Prairie Naturalist Volume 16, No. 4. December 1984

The Prairie Naturalist

Paul B. Kannowski, Editor

Nikki R. Seabloom, Assistant Editor

Douglas H. Johnson, Book Review Editor

TABLE OF CONTENTS

VEGETATION PATTERNS IN RELATION TO TOPOGRAPHY AND EDAPHIC VARIATIONS IN NEBRASKA SAND HILLS PRAIRIE ▪ P. W. Barnes, A. T. Harrison and S. P. Heinisch

GREAT BLUE HERON NESTING BIOLOGY ON THE JAMES RIVER IN SOUTH DAKOTA ▪ E. M. Dowd and L. D. Flake

OVENBIRDS AT THE PERIPHERY OF THEIR RANGE IN WESTERN NORTH DAKOTA ▪ R. B. Hopkins

BREEDING BIRD COMMUNITY COLONIZATION OF SOWN STANDS OF NATIVE GRASSES IN NORTH DAKOTA ▪ K. F. Higgins, T. W. Arnold and R. …


The Probe, Issue 48 - December 1984 Dec 1984

The Probe, Issue 48 - December 1984

The Probe: Newsletter of the National Animal Damage Control Association

THE PROBE
National Animal Damage Control Association No. 48 December, 1984
Why do We have Laws Requiring the Preservation of Species?
Animal Rightists
Tennessee Coyotes
Letters to Ye Ed
Northwest Section WIldlife Meeting 1984
Live Trap
Psycho Coyote
Mobilization of Animals
National Park Systems do Differ
Blackfooted Ferrets
Animal Liberation
Raccoon Problems
Animal Protection Institute


Small Mammal Populations And Rodent Damage In Nebraska No-Tillage Crop Fields, Kent E. Holm Dec 1984

Small Mammal Populations And Rodent Damage In Nebraska No-Tillage Crop Fields, Kent E. Holm

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


House Mouse Populations And Their Damage To Common Building Insulations, Daryl D. Fisher Dec 1984

House Mouse Populations And Their Damage To Common Building Insulations, Daryl D. Fisher

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


The Probe, Issue 47 - November 1984 Nov 1984

The Probe, Issue 47 - November 1984

The Probe: Newsletter of the National Animal Damage Control Association

THE PROBE
National Animal Damage Control Association No. 47 November, 1984
EPA vs. Strychnine
Cyanide Deterioration In M-445
Legislation
Forestry ADC
BLM's FY 1985 budget
Nature Conservancy
Peromyscus polionotus
Pigeon Economics
Sandhill Cranes
Letters to Ye Ed
Suggested Curriculum for NADCA Training Program
Animal Rightists
FIFRA Scientific Advisory Panel
Noise-making Devices to scare Birds


Agricultural Experiment Station News November 1984 Nov 1984

Agricultural Experiment Station News November 1984

Agricultural Research Division: News and Annual Reports

CONTENTS:
CAPITALIZING ON COMPREHENSIVE REVIEWS
NEW FACULTY APPOINTMENTS
PARTIAL RETIREMENTS
AGRICULTURAL EXPORTS
INDIRECT COST RATES
NEW OR REVISED PROJECTS
FEDERAL RESEARCH BUDGET APPROVED
SCHAEFER JOINS IANR
CAPITAL CONSTRUCTION PROGRESS ACCOMPLISHMENT REPORT
RESEARCH FUNDING ASSISTANCE
RESEARCH EXPENDITURES FOR 1983-84
RESEARCH GRANTS AND CONTRACTS RECEIVED OCTOBER 1984


Book Review: Mammals Of The Northern Great Plains By J. K. Jones, Jr., D. M. Armstrong, R. S. Hoffmann, And C. Jones, Hugh H. Genoways Nov 1984

Book Review: Mammals Of The Northern Great Plains By J. K. Jones, Jr., D. M. Armstrong, R. S. Hoffmann, And C. Jones, Hugh H. Genoways

University of Nebraska State Museum: Mammalogy Papers

Mammals of the Northern Great Plains is an attractive clothbound book that comes in a colored dust jacket showing a female pronghorn walking in the snow. The book is produced in a double-column format set in a 47½ by 32½ pica typebed (I personally do not like the unjustified right-hand margins on both columns). The book contains 206 figures most of which are set in a single column. Of the 206 figures, 80 are distribution maps, 104 are photographs mostly of living animals, 20 are drawings used to illustrate keys or points made in the text, and two are maps …


Comparison Of F1'S And Inbreds As Female Parents For Sorghum-Sudangrass Seed Production, Herman J. Gorz, J. J. Toy, Francis A. Haskins, W. M. Ross Nov 1984

Comparison Of F1'S And Inbreds As Female Parents For Sorghum-Sudangrass Seed Production, Herman J. Gorz, J. J. Toy, Francis A. Haskins, W. M. Ross

Department of Agronomy and Horticulture: Faculty Publications

Two field studies involving different groups of germplasm were conducted to compare sorghum-sudangrass, Sorghum bicolor (L.) Moench X S. sudanense (Piper) Stapf, hybrid seed production of male-sterile F1's with their component A-lines. The F1's yielded 45 and 82% more grain than their A-line counterparts in Study 1 and 2, respectively, with the increase attributable to more seeds per panicle and a greater threshing percentage. Mean values of nine traits measured on nine groups of eight F1's in Study 1 and seven groups of six F1's in Study 2 were compared with their …


Influence Of Sample Treatment On Apparent Hydrocyanic Acid Potential Of Sorghum Leaf Tissue, Francis A. Haskins, Herman J. Gorz, R. M. Hill, J. Brakke Youngquist Nov 1984

Influence Of Sample Treatment On Apparent Hydrocyanic Acid Potential Of Sorghum Leaf Tissue, Francis A. Haskins, Herman J. Gorz, R. M. Hill, J. Brakke Youngquist

Department of Agronomy and Horticulture: Faculty Publications

When dhurrin [p-hydroxy-(S)-mandelonitrile-β-D-glucoside], the cyanogenic glucoside of sorghum [Sorghum bicolor (L.) Moench], is hydrolyzed by autoclaving, p-hydroxybenzaldehyde (p-HB) is released. The spectrophotometric determination of p-HB concentration in autoclaved sorghum leaf extracts provides a measure of the hydrocyanic acid potential (HCN-p) of leaf tissue. Extracts of field-grown sorghum leaves contained substances that interfered with this procedure, but ether extraction effectively separated p-HB from these interfering materials. We observed that when flag leaf tissue from field-grown sorghum was dried at 75°C and then autoclaved, HCN-p values were about three times as high …


Effect Of Castration On Plasma Luteinizing Hormone Concentrations In Prepubertal Boars, R. J. Kittock, J. E. Kinder, R. K. Johnson Oct 1984

Effect Of Castration On Plasma Luteinizing Hormone Concentrations In Prepubertal Boars, R. J. Kittock, J. E. Kinder, R. K. Johnson

Department of Animal Science: Faculty Publications

Mean concentrations and the occurrence of pulsatile release of luteinizing hormone (LH) were determined in 14-wk-old crossbred boars (50.5 ± 1.5 kg) after bilateral or unilateral castration at 10 wk of age. Blood was collected at 10-min intervals for 5 h. Then gonadotropin releasing hormone (GnRH; 40 / μg) was given and sampling was continued at 5-min intervals for 1 h. Compared with intact boars, bilateral castration increased (P<.001) mean LH (982 ± 56 vs 389 ± 56 pg/ml), pulsatile releases of LH (7.0 ± .6 vs 2.0 ± .6 pulses/5 h) and LH pulse amplitude (617 ± 29 vs 360 ± 58 pg/ml). Unilaterally castrated boars did not differ from intact boars in any of the above measures of LH secretion. Testis weight increased more between 10 and 14 wk of age in the unilateral castrates than in the intact boars (432 ± 42 vs 245 ± 34%; P<.05). Thus, compensatory hypertrophy occurred within 4 wk of castration. Plasma testosterone was lower for bilateral castrates than for intact animals (.1 ± .8 vs 3.6 ± .9 ng/ml; P<.05) while unilateral castrates (3.8 -+ 1.0 ng/ml) and intact boars did not differ. Plasma estradiol concentrations in bilateral and unilateral castrates were not different from levels found in intact boars (1.8 ± 1.8, 8.8 ± 2.1 and 6.0 ± 1.8 pg/ml, respectively). While mean LH after GnRH was higher in bilateral and unilateral castrates than in intact boars (2,588 ± 147 and 2,693 ± 164 vs 1,928 ± 147 pg/ml; P<.01), castration did not affect the highest LH level after GnRH, time of highest level, magnitude of LH change or rate of LH response during the first 15 rain after GnRH. The rate of change of LH from 0 min to time of maximum LH of the bilateral castrates tended to be greater than that in intact boars (b=202 vs 94; P<.10). These data indicate that the negative feedback of gonadal steroids affects LH secretion.


Agricultural Experiment Station News October 1984 Oct 1984

Agricultural Experiment Station News October 1984

Agricultural Research Division: News and Annual Reports

CONTENTS:
OUTSTANDING RESEARCH AWARDS
SUPPLEMENTAL BUDGET REQUEST
IANR FACULTY SALARIES
HOME ECONOMICS REVIEW
IANR CAPITAL CONSTRUCTION REQUEST
DISTRICT STATIONS BECOME CENTERS
RESEARCH SPONSOR NEGOTIATIONS
REPORTING RESEARCH ACCOMPLISHMENTS
FEDERAL BUDGET UPDATE
FIELD LAB SECURITY
FIELD LABORATORY NAME CHANGE?
PROGRESS ACCOMPLISHMENT REPORT
COMMODITY CHECK-OFF BOARD PROPOSALS
NEW OR REVISED PROJECTS
NEW FACULTY ON BOARD
RESEARCH GRANTS AND CONTRACTS RECEIVED SEPTEMBER 1984
USDA FY '85 COMPETITIVE RESEARCH GRANTS
NSF FELLOWSHIPS AVAILABLE
PROJECT ACCOMPLISHMENTS
CANCER AND SMOKING DISEASE RESEARCH


Cather's Last Three Stories A Testament Of Life And Endurance, Marilyn Arnold Oct 1984

Cather's Last Three Stories A Testament Of Life And Endurance, Marilyn Arnold

Great Plains Quarterly (through 2013)

Near the end of her career-and her life-in the conclusion to the story "Before Breakfast," Willa Cather described the "first amphibious frog-toad" who, when he "found his water-hole dried up behind him," undauntedly "jumped out to hop along till he could find another" and in doing so, "started on a long hop."l At first glance, this little parable might appear to be a misplaced curiosity in a story by a Midwesterner about a frazzled businessman seeking refuge on an island off the North Atlantic sea coast. Closer scrutiny reveals it to be essential to the meaning of the story and …


Nebraska Naturalism In Jamesian Frames, John J. Murphy Oct 1984

Nebraska Naturalism In Jamesian Frames, John J. Murphy

Great Plains Quarterly (through 2013)

So much has been written about Willa Cather and the influence of the classics and later European literature that one sometimes forgets the American literary climate in which she developed. It was a postromantic age of realism, epitomized by William Dean Howells's attempt to limit fiction to normal characters in commonplace situations, which would make of it, as Cather complained, a "sort of young lady's illusion preserver." But the new breed of "naturalists," Cather's contemporaries, were in revolt against Howells and his more accomplished contemporary, Henry James, and advocated a return to romance without the chivalric trappings of Walter Scott …


Evaluation Of Crop Rotation For Control Of Colorado Potato Beetles (Coleoptera: Chrysomelidae) In Commercial Potato Fields On Long Island, Robert J. Wright Oct 1984

Evaluation Of Crop Rotation For Control Of Colorado Potato Beetles (Coleoptera: Chrysomelidae) In Commercial Potato Fields On Long Island, Robert J. Wright

Department of Entomology: Faculty Publications

Leptinotarsa decemlineata (Say) densities, potato defoliation levels, and grower insecticide use were monitored in commercial potato fields with differing rotational histories on Long Island, New York. Rotation for 1 year to a nonhost grain crop (rye or wheat) significantly reduced the pest status of L. decemlineata in the following year's potato crop. Early season (late May) adult densities were reduced 95.8% in three of four comparisons in 1982 and 69.5% in two of three comparisons in 1983. In one comparison each year, early season L. decemlineata densities were low in both the rotated and nonrotated fields due to past grower …


Catalog Of The Recent Scandentia And Primates In The Carnegie Museum Of Natural History, Suzanne B. Mclaren, Duane A. Schlitter, Hugh H. Genoways Sep 1984

Catalog Of The Recent Scandentia And Primates In The Carnegie Museum Of Natural History, Suzanne B. Mclaren, Duane A. Schlitter, Hugh H. Genoways

University of Nebraska State Museum: Mammalogy Papers

The Section of Mammals, Carnegie Museum of Natural History, houses six specimens of Recent tree shrews and 611 specimens of Recent primates. The only family in the Order Scandentia is Tupaiidae. Primate families represented are Lemuridae, Lorisidae, Cebidae, Callitrichidae, Cercopithecidae, Pongidae, and Hominidae. For each specimen the following data are recorded: locality; date collected; catalog number; sex; age; nature of specimen; condition of specimen and comments. The latter category gives information on the condition of the skin and skeletal material, and gives information on the availability of the specimen.


Success In Rat Control In Kuwait, K.S. Al-Sanei, T.M. Zaghloul, A.M. Salit, M.T. Omar, M.M. Balba Sep 1984

Success In Rat Control In Kuwait, K.S. Al-Sanei, T.M. Zaghloul, A.M. Salit, M.T. Omar, M.M. Balba

Vertebrate Pest Conference Proceedings: 11th (1984)

The preliminary rat survey prior to the actual attack phase of Rat Control Program in Kuwait revealed an infestation rate with the Norway rat, Rattus norveqicus, in buildings ranging between 32.7% and 70.7%. The comparatively high infestation was observed in 92.5% of Kuwait buildings. Moreover the infestation reached 99% in certain districts of the country. This high infestation was associated with an increase in rat-borne diseases particularly murine typhus, salmonellosis, rat-bite fever and certain parasitic diseases.

A programme for rodent control in Kuwait was initiated through a political decision by the cabinet which gave the full responsibility of rodent …


Hazards To Golden-Mantled Ground Squirrels And Associated Secondary Hazard Potential From Strychnine For Forest Secondary Pocket Gophers, R. Michael Anthony, Gerald D. Lindsey, James Evans Sep 1984

Hazards To Golden-Mantled Ground Squirrels And Associated Secondary Hazard Potential From Strychnine For Forest Secondary Pocket Gophers, R. Michael Anthony, Gerald D. Lindsey, James Evans

Vertebrate Pest Conference Proceedings: 11th (1984)

Radio telemetry and capture-recapture techniques were used to evaluate the hazards to golden-mantled ground squirrels ( Spermophilus lateralis) from hand baiting with 0.5% strychnine-treated for western pocket gophers (Thomomys mazama) on conifer plantations in eastern Oregon. Toxicology data were collected on field-killed and caged ground squirrels and on caged mink (Mustela vison, great horned owls (Bubo virginianus), and red-tailed hawks (Buteo jamaicensis). Ground squirrel populations were reduced 50% to 75% following underground baiting for pocket gophers. Maximum amount of strychnine found in cheek pouches and carcass of a field-killed golden-mantled ground …


Commingling Of Norway And Roof Rats With Native Rodents, Rex O. Baker Sep 1984

Commingling Of Norway And Roof Rats With Native Rodents, Rex O. Baker

Vertebrate Pest Conference Proceedings: 11th (1984)

The ecology of plague relies on the intermixing (commingling) of animal hosts and their ectoparasites. There has been a noticeable increase in commingling of rats and ground squirrels in Southern California in recent years. This paper discusses this phenomenon in Los Angeles and Orange Counties, where it occurs, how it results from man's activities, and the ecology of varying locations. The role of fleas as vectors of plague and the intermixing of fleas between hosts are discussed. Action to reduce the incidence of commingling and the threat of plague to the urban society is addressed.


Efficacy Of Three Anticoagulant Rodenticides For The Control Of Poison-Shy Rattus Rattus, Devendra Bhardwaj, Ishwar Prakash Sep 1984

Efficacy Of Three Anticoagulant Rodenticides For The Control Of Poison-Shy Rattus Rattus, Devendra Bhardwaj, Ishwar Prakash

Vertebrate Pest Conference Proceedings: 11th (1984)

House rats (Rattus rattus) which do not consume a lethal dose of zinc phosphide develop poison-shyness after a single exposure. The surviving poison-shy rats cannot be baited again with zinc phosphide for about three months. Poison-shy rats were separately given anticoagulant baits (brodifa-coum 0.005%, coumatetralyl and warfarin 0.025%) in no-choice tests. The first two anticoagulants were found to be the most efficient ones. It was observed that those R. rattus which had consumed 56.7 mg/kg or more zinc phosphide died sooner (P < 0.05 to 0.1) after anticoagulant poisoning when compared with normal rats. It is conjectured that prothrombin inhibition is accelerated in the liver of poison-shy R. rattus due to the action of phosphine present in the earlier ingested sublethal dose of …