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Articles 35041 - 35070 of 36498

Full-Text Articles in Animal Sciences

Nebraska Bird Review (July 1961) 29(3), Whole Issue Jul 1961

Nebraska Bird Review (July 1961) 29(3), Whole Issue

Nebraska Bird Review

TABLE OF CONTENTS

Third Report of Fall Records, 1960 ............................... 42

Meetings and Reports ............................................... 47

By-Laws of the Nebraska Ornithologists' Union, Inc. ............... 49

R. Allyn Moser ................................................................. 52

General Notes .......................................................... 53

Excerpts From Letters ................................................57

Susie Callaway .....................................................................59

Book Review .....................................................................60


A Morphological Study Of Some Larval Ticks Of The Genus Dermacentor With Emphasis On Structures Of Possible Taxonomic Importance, Richard Grant Robertson Jul 1961

A Morphological Study Of Some Larval Ticks Of The Genus Dermacentor With Emphasis On Structures Of Possible Taxonomic Importance, Richard Grant Robertson

Theses and Dissertations

This study was undertaken to evaluate and determine morphological characteristics which might prove valuable in the identification of the larvae of the following species of ticks of the genus Dermacentor Koch: D. albipictus Packard, D. andersoni Stiles, D. hunteri Bishop, D. parumapertus Neuman, and D. variabilis Say. A taxonomic key for the identification of all of the Canadian and United States species of the larvae of the genus Dermacentor Koch cannot be constructed until specimens of D. halli and D. occidentalis have been examined. However, the followng conclusions were reached regarding the species studied: 1. Position of setae is of …


Family Of Bobwhite Counts Glamours Birds, Jessie Maye Smith Jun 1961

Family Of Bobwhite Counts Glamours Birds, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Call Of Birds Strong Lure For Watchers, Jessie Maye Smith Jun 1961

Call Of Birds Strong Lure For Watchers, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Purple Martins Move To Trees Near Museum, Jessie Maye Smith Jun 1961

Purple Martins Move To Trees Near Museum, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Activities Of Young Birds Interesting To Watch, Jessie Maye Smith Jun 1961

Activities Of Young Birds Interesting To Watch, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


America's Charming Bluebird Hard Hit By Population Loss, Jessie Maye Smith May 1961

America's Charming Bluebird Hard Hit By Population Loss, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Travelers Surprised By Variety Of Birds Seen, Jessie Maye Smith May 1961

Travelers Surprised By Variety Of Birds Seen, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Duck Stamp Purchaser Supports Bird Refugees, Jessie Maye Smith May 1961

Duck Stamp Purchaser Supports Bird Refugees, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Cardinals Enliven Premises, Excite Concern, Admiration, Jessie Maye Smith May 1961

Cardinals Enliven Premises, Excite Concern, Admiration, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Kentucky Warbler (Vol. 37, No. 2), Kentucky Library Research Collections May 1961

Kentucky Warbler (Vol. 37, No. 2), Kentucky Library Research Collections

The Kentucky Warbler

No abstract provided.


A Histological Study Of The Postnatal Development Of The Bovine Testis, R. G. Fossland, A. B. Schultze May 1961

A Histological Study Of The Postnatal Development Of The Bovine Testis, R. G. Fossland, A. B. Schultze

Nebraska Agricultural Experiment Station: Historical Research Bulletins

A limited number of detailed studies on the development of the bovine testis from birth to sexual maturity have been reported. Further study of bovine testis development appears desirable to furnish additional observations and to note variations that may occur during the developmental process. Information on the process of spermatogenesis should furnish a basis for experimental work designed to promote increased spermatogenic activity in the postpubertal testis as well as for work directed toward promoting complete spermatogenesis at an earlier than usual age. This report is a study of the histological picture of the testes from 56 bulls varying from …


The Life Cycle And Pathogenicity Of Eimeria Auburnensis, Wayne Norris Clark May 1961

The Life Cycle And Pathogenicity Of Eimeria Auburnensis, Wayne Norris Clark

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Coccidiosis in cattle is caused by microscopic one-celled sporozoa belonging to the order Coccidia and the genus Eimeria. Coccidiosis is a common disease of young calves that weakens or kills them, but the disease also occurs in older animals. Eleven species have been reported in cattle of the U.S.A.(Davis and Bowman, 1956). Of this number only two species, Eimeria bovis(Hammond et al., 1946) and Eimeria zurnii(Davis and Bowman, 1957) have been proven pathogenic for cattle, but except for Eimeria alabamensis(Davis et al., 1955) no experimental work has been done on other species.


Deviations In Serum Proteins Associated With Eimeria Bovis Infections In Calves And Some Related Immune Reactions, Paul R. Fitzgerald May 1961

Deviations In Serum Proteins Associated With Eimeria Bovis Infections In Calves And Some Related Immune Reactions, Paul R. Fitzgerald

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Bovine coccidiosis is a serious threat to the economy of the cattle industry in the United States. In 1954 the United States Department of Agriculture reported that over $10,000,000 was lost annually as a result of mortality and morbidity in cattle due to this parasite (1). These losses alone amounted to more than one fourth of the total loss in cattle due to parasitism.


Observations Of Pituitary Hormone Injections And Ripening Of Fish, D. K. Kaushik May 1961

Observations Of Pituitary Hormone Injections And Ripening Of Fish, D. K. Kaushik

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

A dependable source of quality fish spawn is a fundamental prerequisite for fish culture development. This is especially important inasmuch as most of the cultivable species do not breed in confined waters. Also, sport fisheries are gaining greater popularity, and subsequently the fish supply is being taxed. Still another need for fish spawn is in the ever increasing demand for bait minnows. Also, the construction of more and more dams has resulted in insurmountable obstacles for ascending and descending fish, which may ultimately result in complete destruction of some fisheries. Thus some measure of artificial propagation will have to be …


Coloring Is Deceptive In Many Bird Types (Birdname), Jessie Maye Smith Apr 1961

Coloring Is Deceptive In Many Bird Types (Birdname), Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


'Birds Of Tarrant County' Thorough Study, Jessie Maye Smith Apr 1961

'Birds Of Tarrant County' Thorough Study, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Rarely Seen Rails Put On Bit Of Domestic Drama, Jessie Maye Smith Apr 1961

Rarely Seen Rails Put On Bit Of Domestic Drama, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Many Warblers Seen In Alabama, Jessie Maye Smith Apr 1961

Many Warblers Seen In Alabama, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Hatchability Of Chicken Eggs As Influenced By Environment And Heredity, The, Walter Landauer Apr 1961

Hatchability Of Chicken Eggs As Influenced By Environment And Heredity, The, Walter Landauer

Storrs Agricultural Experiment Station

No abstract provided.


Nebraska Bird Review (April 1961) 29(2), Whole Issue Apr 1961

Nebraska Bird Review (April 1961) 29(2), Whole Issue

Nebraska Bird Review

TABLE OF CONTENTS

Wintering Bald Eagles in Nebraska, 1959-1960 ........................26

1956-1960 Nesting Reports ........................31

Dr. George Miksch Sutton ........................35

Dr. Olin Sewell Pettingill, Jr......................... 36

Fall Field Trips and Winter Meeting ........................37

Treasurer's Report ........................38

General Notes ........................39

Letter To The Editor ........................40

Book Reviews........................40


'Altricial' Birds Ugly At Hatching (Bird, Infan Or Culture?), Jessie Maye Smith Mar 1961

'Altricial' Birds Ugly At Hatching (Bird, Infan Or Culture?), Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Legends And Tales Of Birds Involved In Events Of Easter, Jessie Maye Smith Mar 1961

Legends And Tales Of Birds Involved In Events Of Easter, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


When Did They Learn? Gulls Following Plow Bring Back Memories (Frank, Cali Gul), Jessie Maye Smith Mar 1961

When Did They Learn? Gulls Following Plow Bring Back Memories (Frank, Cali Gul), Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Robin Pair Meet, Mate, Build, Lay, Hatch, Feed, Jessie Maye Smith Mar 1961

Robin Pair Meet, Mate, Build, Lay, Hatch, Feed, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


1961 Little International Agricultural Exposition Catalog, Little International Agricultural Exposition South Dakota State University Mar 1961

1961 Little International Agricultural Exposition Catalog, Little International Agricultural Exposition South Dakota State University

Little International "Little I" Agricultural Exposition Catalogs

No abstract provided.


Long-Billed Curlew Really Rare Sight, Jessie Maye Smith Feb 1961

Long-Billed Curlew Really Rare Sight, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Instinct Guides Martins Back To Former Homes, Jessie Maye Smith Feb 1961

Instinct Guides Martins Back To Former Homes, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Look At Mockingbirds Civilization's Effect On Birdlife Is Not All Bad, Jessie Maye Smith Feb 1961

Look At Mockingbirds Civilization's Effect On Birdlife Is Not All Bad, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.


Meadowlark Tops As 'Official' Bird, Jessie Maye Smith Feb 1961

Meadowlark Tops As 'Official' Bird, Jessie Maye Smith

Jessie Maye Smith Birds and Watchers Columns Collection

No abstract provided.