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Articles 9271 - 9300 of 9412

Full-Text Articles in Life Sciences

Twelfth Random Sample Laying Test : 1968-69 : Cages, Department Of Agriculture, Western Australia Jan 1969

Twelfth Random Sample Laying Test : 1968-69 : Cages, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

TWELFTH RANDOM SAMPLE LAYING TEST, 1968-69 - CAGES

POULTRY RESEARCH STATION, WEMBLEY

FOURTH PROGRESSIVE REPORT TO 1st JUNE, 1969 Average age of birds 308 days or 44 weeks.


A New Natricine Snake Of The Genus Adelophis From Western Mexico, Douglas A. Rossman, Richard M. Blaney May 1968

A New Natricine Snake Of The Genus Adelophis From Western Mexico, Douglas A. Rossman, Richard M. Blaney

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


Evaluation Of The Effects Of Reduced Transpiration Upon Soil Moisture Retention In An Aspen Stand Throughout The Growing Season In Northern Utah, Michael Zan Jan 1968

Evaluation Of The Effects Of Reduced Transpiration Upon Soil Moisture Retention In An Aspen Stand Throughout The Growing Season In Northern Utah, Michael Zan

Aspen Bibliography

No abstract provided.


Soil Moisture Recharge In Stands Of Quaking Aspen And Gambel Oak In Central Utah, James L. Boynton Jan 1968

Soil Moisture Recharge In Stands Of Quaking Aspen And Gambel Oak In Central Utah, James L. Boynton

Aspen Bibliography

No abstract provided.


Eleventh Random Sample Laying Tests, 1967-68 : Cages, Department Of Agriculture, Western Australia Jan 1968

Eleventh Random Sample Laying Tests, 1967-68 : Cages, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

ELEVENTH RANDOM SAMPLE LAYING TEST, 1967-68 - CAGES

POULTRY RESEARCH STATION, WEMBLEY

FOURTH PROGRESSIVE REPORT TO 2nd JUNE, 1968


Evaluation Of The Short Sternum As Diagnostic Evidence For Trisomy-E, Frank George Deeter Jul 1967

Evaluation Of The Short Sternum As Diagnostic Evidence For Trisomy-E, Frank George Deeter

All Master's Theses

This study has demonstrated that a reliable technique for determining short sternums has been developed. Evidence for its reliability is given by two distinct and highly significant correlations.


Ninth Random Sample Laying Test, 1965-66, Department Of Agriculture, Western Australia Jan 1967

Ninth Random Sample Laying Test, 1965-66, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

NINTH RANDOM SAMPLE LAYING TEST, 1965-66

POULTRY RESEARCH STATION, WEMBLEY

FINAL REPORT TO 500 DAYS


Tenth Random Sample Laying Test, 1966-67 : Cages, Department Of Agriculture, Western Australia Jan 1967

Tenth Random Sample Laying Test, 1966-67 : Cages, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

TENTH RANDOM SAMPLE LAYING TEST, 1966-67 - CAGES

POULTRY RESEARCH STATION, WEMBLEY

SECOND PROGRESSIVE REPORT TO 26th FEBRUARY, 1967

Average age of birds 215.5 days or 30 weeks and 6 days.


Special Field Days For Merino Breeders, Department Of Agriculture, Western Australia Jan 1967

Special Field Days For Merino Breeders, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

More than 200 Merino stud breeders attended special stud breeding and fertility field days arranged for them by the Department of Agriculture recently.

Breeders attending represented some 40 per cent of the State's Merino studs.


Manipulation Of Water Use In An Aspen Forest, John D. Schultz, George B. Coltharp, George E. Hart, Jr., Michael Zan Jan 1967

Manipulation Of Water Use In An Aspen Forest, John D. Schultz, George B. Coltharp, George E. Hart, Jr., Michael Zan

Aspen Bibliography

No abstract provided.


Tenth Random Sample Laying Test, 1966-67 : Litter, Department Of Agriculture, Western Australia Jan 1967

Tenth Random Sample Laying Test, 1966-67 : Litter, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

TENTH RANDOM SAMPLE LAYING TEST, 1966-67 - LITTER

POULTRY RESEARCH STATION, WEMBLEY

SECOND PROGRESSIVE REPORT TO 26th FEBRUARY,1967

Average age of birds 215.5 days or 30 weeks and 6 days.


Competition And Natural Selection Among Laboratory And Naturally Occurring Populations Of Drosophila Melanogaster, John M. Connor Jan 1967

Competition And Natural Selection Among Laboratory And Naturally Occurring Populations Of Drosophila Melanogaster, John M. Connor

Masters Theses

No abstract provided.


Geographic Variation In Middle American Parrots Of The Amazona Ochrocephala Complex, Burt L. Monroe Jr., Thomas R. Howell Dec 1966

Geographic Variation In Middle American Parrots Of The Amazona Ochrocephala Complex, Burt L. Monroe Jr., Thomas R. Howell

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


Biochemical Properties Of Salmonella Potsdam Bacteriophage P4/2, Clyde L. Roggenkamp Sep 1966

Biochemical Properties Of Salmonella Potsdam Bacteriophage P4/2, Clyde L. Roggenkamp

Loma Linda University Electronic Theses, Dissertations & Projects

Over 90% recovery of phage P4/2 was realized with differential centrifugation concentration and purification, whereas only about 16% was recovered from the aqueous two-phase polymer - Genetron - ECTEOLA-cellulose column system. Purity of preparations was greatest with the density gradient centrifugation (A260 = 2.66 and A280 = 1.80 per 1012 plaque-forming units). With the chemical system of concentration and purification followed by an ECTEOLA anion exchange run, the A260 was 6.6 and the A280 was 4.3.

Three tests were employed to determine the configuration of P4/2 DNA: (1) a formalin denaturation test, (2) a thermal …


Ninth Random Sample Laying Test, 1965-66, Department Of Agriculture, Western Australia Jan 1966

Ninth Random Sample Laying Test, 1965-66, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

NINTH RANDOM SAMPLE LAYING TEST, 1965-66 POULTRY RESEARCH STATION, WEMBLEY

REARING RESULTS AT HOUSING (21 WEEKS AND 3 DAYS)

SECOND PROGRESSIVE REPORT TO 27th FEBRUARY, 1966


Twinning Increases Production, K P. Croker Jan 1966

Twinning Increases Production, K P. Croker

Journal of the Department of Agriculture, Western Australia, Series 4

Many breeders claim that twinning causes too many losses among Merino lambs and does not favour breeding for twin lamb production.

But recent experiments have proved otherwise and agricultural scientists now agree that . . .

TWINNING INCREASES PRODUCTION

THE low marking percentages regularly recorded for Merino flocks suggest that the Merino is a relatively infertile breed.

Certainly, lambing percentages are low when compared with those of most British breeds of sheep.


Influence Of Fire On Aspen, K. W. Horton, E. J. Hopkins Jan 1966

Influence Of Fire On Aspen, K. W. Horton, E. J. Hopkins

Aspen Bibliography

No abstract provided.


Review Of Silvicultural Research: White Spruce And Trembling Aspen Cover Types, Mixedwood Forest Section, Boreal Forest Region, Alberta-Saskatchewan-Manitoba, J. M. Jarvis, G. A. Steneker, R. M. Waldron, J. C. Lees Jan 1966

Review Of Silvicultural Research: White Spruce And Trembling Aspen Cover Types, Mixedwood Forest Section, Boreal Forest Region, Alberta-Saskatchewan-Manitoba, J. M. Jarvis, G. A. Steneker, R. M. Waldron, J. C. Lees

Aspen Bibliography

The Department of Forestry has been carrying on silvicultural research in the white spruce (Picea glauca (Moench) Voss) and trembling aspen (Populus tremuloides Michx.) cover types in the Mixedwood Forest Section of Alberta, Saskatchewan and Manitoba for about 40 years. Because of the needs of industry most of this research has been focused on spruce, and only as small portion on aspen. Much of the research is concerned with basic problems and the findings in one area may be applied directly or with minor modification throughout the entire Mixedwood Forest Section. Only a minor part of the total …


Two New Colubrid Snakes Of The Genus Rhadinaea From Southern Mexico, Douglas A. Rossman Nov 1965

Two New Colubrid Snakes Of The Genus Rhadinaea From Southern Mexico, Douglas A. Rossman

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


A New Species Of Cacicus (Aves: Icteridae) From Peru, George H. Lowery Jr., John P. O'Neill Nov 1965

A New Species Of Cacicus (Aves: Icteridae) From Peru, George H. Lowery Jr., John P. O'Neill

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


Two New Subspecies Of Birds From Oaxaca, Mexico, Laurence C. Binford Nov 1965

Two New Subspecies Of Birds From Oaxaca, Mexico, Laurence C. Binford

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


The Nomenclature Of The Red-Winged Blackbird (Agelaius Phoeniceus) Of South-Central Mexico, Robert W. Dickerman Nov 1965

The Nomenclature Of The Red-Winged Blackbird (Agelaius Phoeniceus) Of South-Central Mexico, Robert W. Dickerman

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


Aspen-Elk Relationships On The Northern Yellowstone Winter Range, William J. Barmore Jr. Apr 1965

Aspen-Elk Relationships On The Northern Yellowstone Winter Range, William J. Barmore Jr.

Aspen Bibliography

No abstract provided.


Cacodylic Acid As A Silvicide, Maurice W. Day Feb 1965

Cacodylic Acid As A Silvicide, Maurice W. Day

Aspen Bibliography

This report deals with the effectiveness of cacodylic acid (dimethylarsenic acid) as a silvicide for undesirable trees. Cacodylic acid has been used successfully as an herbicide for the destruction of grasses and weeds. Experimental work with this material was begun during the 1963 field season, and continued during 1964, to permit complete evaluation of the results. It appears that cacodylic acid has considerable potential as a silvicide.


How To Identify Twin-Born Lambs, G T. Halpin, P. Nelson Jan 1965

How To Identify Twin-Born Lambs, G T. Halpin, P. Nelson

Journal of the Department of Agriculture, Western Australia, Series 4

IN the past few years it has become widely accepted that the ability to produce twin or multiple lambs is a heritable characteristic.

This means that breeding from sheep born as twins should give more multiple births and higher lambing percentages than breeding from sheep born as single lambs.


Eighth Random Sample Laying Test, 1964-65, Department Of Agriculture, Western Australia Jan 1965

Eighth Random Sample Laying Test, 1964-65, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

EIGHTH RANDOM SAMPLE LAYING TEST, 1964-65

SIXTH PROGRESSIVE REPORT TO 31st OCTOBER, 1965


Lot Feeding Of Beef Cattle. 4. Cattle For Feed Lots, W J O Wilkie Jan 1965

Lot Feeding Of Beef Cattle. 4. Cattle For Feed Lots, W J O Wilkie

Journal of the Department of Agriculture, Western Australia, Series 4

BREED, age, condition, health, temperament and sex are all important in feed lot cattle.


Eighth Random Sample Laying Test, 1964-65 : Third Progressive Report To 2nd May, 1965, Department Of Agriculture, Western Australia Jan 1965

Eighth Random Sample Laying Test, 1964-65 : Third Progressive Report To 2nd May, 1965, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

EIGHTH RANDOM SAMPLE LAYING TEST, 1964-65

THIRD PROGRESSIVE REPORT TO 2nd MAY, 1965

Average age of birds 276 days or 39 weeks and 3 days.


Aspen Snag Yields Record Bitterbrush Seed Cache, Edward R. Schneegas Jan 1965

Aspen Snag Yields Record Bitterbrush Seed Cache, Edward R. Schneegas

Aspen Bibliography

No abstract provided.


Eighth Random Sample Laying Test, 1964-65, Department Of Agriculture, Western Australia Jan 1965

Eighth Random Sample Laying Test, 1964-65, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

EIGHTH RANDOM SAMPLE LAYING TEST, 1964-65

FIFTH PROGRESSIVE REPORT TO 29th AUGUST. 1965