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Populations Of Peritrichs On The Pond Snail, Physa Gyrina Say, Peter Moyle

Journal of the Minnesota Academy of Science

There are many obscure niches in a, pond that make fascinating ecological studies. The shell of a pond snail such as Physa gyrina Say, is one of these. In this study alone, 18 species of attached animals and plants were found growing on P; gyrina shells. About half of these species occurred on the shells in large numbers and completed a large part of their life cycle there. On P. gyrina, the most abundant animals included three species of protowans and a tendipedid larva. The protozoan species, Epistylus niagarae Stokes, Opercularia ramosa Stokes, and V orticella campanula Ehrenberg all belong …

Henry George In England, Milton A. Ochsner

Journal of the Minnesota Academy of Science

The forward rush of the Industrial Revolution had already by the tum of the 19th century silenced the hand looms in England and sent their operators to the city and its factories. Once there, the masses and their government fell prey to all the problems attendant to rapid and disorderly industrialization of which high rent, periodic unemployment, and labor unrest were just a few. The fundamental homogeneous outlook which the British had always somehow maintained in the face of other crises was now threatened anew. This was a new misery that gripped the land. It struck hardest at those who …

Quantitative Aspects Of Co2 Fixation In Mammalian Brain In Vivo / H. Waelsch, S. Berl, C.A. Rossi, D. D. Clarke, And D. P. Purpura New York State Psychiatric Institute And Departments Of Biochemistry And Neurological Surgery, College Of Physicians And Surgeons, Columbia University, New York, N.Y., Heinrich Waelsch, Soll Berl, C. A. Rossi, Donald Dudley Clarke Phd

Chemistry Faculty Publications

The rate of fixation of carbon dioxide in vivo into aspartate, glutamate, oxoglutarate, and glutamine of cerebral cortex and liver in the absence and presence of elevated concentrations of tissue ammonia was studied. The specific activities of the isolated metabolites were related to the specific activity of the tissue CO2. It was attempted to obtain an approximate steady state level of tissue 14CO2 by maintaining a constant isotope concentration in the venous and arterial blood through continuous intravenous administration of NaH14CO3. 1. In the absence of ammonia, aspartic acid achieved the highest specific activity in both brain and liver; the …

Species Composition Within States For The 1962-63 And 1963-64 Hunting Seasons, Glen Smart

United States Fish and Wildlife Service: Publications

This paper considers the species composition of the duck kill in each State as determined by the Duck Wing Collection Surveys during 1962-63 and 1963-64 hunting seasons. Two-thirds of the annual kill was made up of mallards, black ducks, pintails, wood ducks, and green-winged teal. Mallards were the most common species taken in all Flyways except the Atlantic where the black duck was most abundant.

The American Eagles And Their Economic Status, E. R. Kalmbach, Ralph H. Imler, Lee W. Arnold

United States Fish and Wildlife Service: Publications

For centuries eagles have captured the fancy of man the world over. Because of its extensive range in the northern hemisphere, the golden eagle is the most widely known of this group of birds. Its use in falconry was the sport of kings. The frequency of its appearance in royal coats of arms indicated its importance. It is the national emblem of Germany and Mexico.

In North America the bald eagle as well as the golden eagle represents this group of powerful birds of prey. The bald eagle is strictly an American species, and the founders of the United States …

Insect Pests Of Cotton In The Ord River Irrigation Area, K T. Richards

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

COTTON is grown in the Ord Valley of north Western Australia, mainly as an annual, irrigated crop during the hot summer months of the "wet season".

It is usually planted in November-December and harvested March-May.

This period of growth corresponds closely to that of maximum insect activity.

Weaning Lambs Under Pastoral Conditions, H Suijdendorp, L. Parsons

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

IN the summer rainfall region of the pastoral areas lambs are too often born too late to ensure their survival.

In good seasons with a fair measure of winter rain more late lambs will survive, but losses are still serious. The only solution to this problem is to make sure lambs drop in May-June.

But the presence of late and often unmarked lambs at mating time is a disturbing influence, which makes it hard to advance the established mating pattern.

Range Feeding Of Cotton By-Products In The Kimberleys, John Hubert Auty

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

Commercial cotton production has started in the Ord River area and by-products of the industry will soon be available for stock feeding in the surrounding pastoral areas.

Cotton seed and cotton seed meal will cause digestive upsets if fed in any quantity to horses, poultry or pigs.

Ruminants have no trouble in handling the material and the Kununurra ginnery could supply a useful protein supplement for Kimberley cattle.

The Causes And Control Of Infertility Of Rams, J Craig

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

FACTORS other than physical faults often cause infertility of rams.

Obviously, it is important to distinguish between temporary and permanent infertility to apply the proper remedy.

A Preliminary Survey Of The Algae Of Cheyenne Bottoms In Kansas, Henry J. Mcfarland, Edward A. Brazda, Ben H. Mcfarland

Fort Hays Studies Series

The purpose of this study was to classify and describe some of the algae of Cheyenne Bottoms Wildlife Refuge, Barton County, Kansas. The general geographic location is northeast of Great Bend, Kansas. A natural basin has been converted by dikes into a group of pools. The study was made over a two year period starting in May, 1960.

Dry-Plains Conservation: An Activity Or Experimental Method Of Teaching Soil And Water Conservation In Southwestern Dry-Plains Natural Science Classrooms., David W. Pierson

Fort Hays Studies Series

This paper is an attempt to provide teachers in the dry-plains regions with certain concepts and techniques believed to be of value in assisting students to develop an understanding of the uniqueness of their environment. While most of the activities, experiments, and demonstrations were first organized for a biology class, many of them should be suitable for use in other classes which involve the natural sciences.

Fisheries Report No I (1) - The Shark Bay Fishery On Snapper Chrysophrys Unicolor (Quoy And Gaimard), B. K. Bowen

Fisheries Research Reports

As regards both catch and value, the Shark Bay snapper fishery is the second most important scale fishery in Western Australia. Until 195%, the fishing was done solely by means of hard-lines operated from beats drifting over the snapper patches. In 1959 traps were first used with great success and in 196) this method of fishing was again the principal technique.

Prior to the 1960 season there were several suggestions that the use of traps would have a deleterious effect on the fishery. On October 19, 1959, the Western Australian League of the Professional Fishermen's Association wrote to the Fisheries …

Build Financial Security, Mildred Novotny

SDSU Extension Circulars

Financial security means different things to different people. Some families and individuals feel secure if they have a steady job, own their home, or if they are free from debt. Whatever financial security means to you, it is likely associated with peace of mind and confidence that you can provide for your family's needs, desires, and responsibilities. No one can foretell your expenses of a Iifetime, but you can expect a basic pattern of expenses during the family life cycle. A plan for meeting these expenses is the first step toward building financial security.

Comparative Behavior And Relationships Of The Eiders, Paul A. Johnsgard

Papers in Ornithology

One of the more controversial systematic problems existing in the family Anatidae concerns the taxonomic rank and evolutionary relationships of the four species of eiders, which are currently considered by the American Ornithologists’ Union (1957) to comprise three genera (Somateria, Lampronetta, and Polysticta) in the diving duck subfamily Aythyinae. In 1945, however, Delacour and Mayr included the eiders in a single genus (Somateria) within the sea duck tribe Mergini. At present, Delacour (1959) considers the eiders a separate tribe, Somateriini, distinct from the other sea ducks, and placed near the dabbling duck tribe Anatini. The erection …

Distribution And Taxonomy Of Mammals Of Nebraska, J. Knox Jones Jr

Nebraskiana Publications: Resources and Materials on the 37th State

Contents

Introduction

Environment

Climate

Soils

Geology and Physiography

Vegetation

Effects of Man on The Envmonment

Factors Influencing Distribution And Speciation

Wisconsin Glaciation And Post-Wisconsin Climates

Emigration of Recent Mammals To Nebraska

Some Effects of The Environment

The Missouri River as a Barrier to Dispersal

Geographic Varlatlon and Speciation

Mammalian Distributional Areas

Summary

Treatment and Acknowledgments

Checklist (with page references) of Mammals of Nebraska

Accounts of Species

Introduced Mammals

Species of Unverified occurrence

Type Localities

Literature Cited

● Order MARSUPIALIA-Marsupials ● ● Family DIDELPHIDAE-Opossums ● Didelphis marsupialis virginiana Kerr (Opossum) ● Order INSECTIVORA-Insectivores ● Family SORICIDAE-Shrews ● Sorex cinereus haydeni Baird …

Block And Bridle Annual, 1964

Block and Bridle Annual (1933–2021)

Table of Contents:

Dedication
Animal Science buildings
Animal Science Faculty
Picture of Club Members
Block and Bridle Club Officers
Block and Bridle Advisor
Sample Minutes
Financial Statement
Merit Trophy Winner
Calendar of Events
Speakers
Initiations
Purebred Ewe Sale
Ham Sale
Ag Union Winter Dance
Showmanship Contest
Tour
Judging Contest
Quarter Horse Show
Honors Banquet
Feeders Day
Picnic

The Diversion Of Macromolecular Synthesis In L-Cells Towards Ends Dictated By Mengovirus, David Baltimore

Student Theses and Dissertations

The last few years have seen the beginnings of biochemical and physiological studies on animal virus multiplication. Work of this kind with bacterial viruses had begun in the early 1950's and provided much information before research on animal viruses was initiated. The delay in the study of animal systems was due to the great difficulties which attended the development of methods of cell culture and of quantitative virology. The solution of these problems, through the painstaking work of T. Puck, H. Eagle, R. Dulbecco and their associates, has made possible the recent rapid advance in our knowledge of the rare …

The Effect Of Mulesing And Tailstripping At Lamb Marking On Subsequent Lamb Growth And Incidence Of Fly Strike, R J. Lightfoot, W. L. Mcgarry

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

THE modified mules and tailstrip operation has been shown to be highly effective in reducing the incidence of crutch strike in sheep.

In Western Australia the operation is usually performed on ewe weaners or hoggets immediately after either crutching or shearing.

Dairy Farming In The Busselton-Margaret River District. Part 1. Stage Of Development, R A. Bettenay

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

This article is the first of four in a series reporting a survey of farming practices in the Busselton-Margaret River area.

Besides the development of farms the series will cover farm stocking rates and milk production on farms in the area.

THE survey of farms in the Busselton-Margaret River district began at the end of the 1962 season.

Information on the stage of development of the properties was obtained from 94 farmers during advisory visits.

Final Report : Sixth (1962-63) Western Australian Random Sample Laying Test, R H. Morris, F. A. E. Hunt

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

FINAL REPORT SIXTH (1962-63) WESTERN AUSTRALIAN RANDOM SAMPLE LAYING TEST

Final Report to December, 1963, covering a period of 500 days (71 3/7 weeks), comprising a 150-day (21 3/7 week) rearing period and a 350-day (50-week) laying period.

The Animal Quarantine Service, R K. Kent

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

Exotic diseases are a constant threat to Australia's animal industry and there are many reasons for the uncompromising ban on the import of certain animals from overseas.

Such diseases as foot and mouth and blue tongue would cost Australia a tremendous amount of money if they became established here.

Just how Australia protects itself against the introduction of exotic diseases is described by Veterinary Surgeon, R. K. Kent, M.R.C.V.S., in this article .

One Shot Baiting, C D. Gooding, L. A. Harrison

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

THE Agriculture Protection Board introduced the first of its contract poisoning schemes in 1955 in the lower South-West when three units undertook the first "1080" poisoning for farmers in Western Australia.

The originators of one-shot baiting describe this new technique and explain how it should be used for best results on the farm.

Attack The Rabbit At Home : Destroy Warrens And Harbourage, J S. Crawford

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

Effective rabbit destruction often calls for a carefully worked out control programme consisting of poisoning, fumigating and warren and harbourage destruction.

Possibly the most effective means of not only controlling rabbits but ultimately eradicating them from holdings is the destruction of warrens and harbourage.

The Fox : Status And Control, C D. Gooding

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

NOBODY knows for certain and it is possible that the damage done by foxes is sometimes over-rated, but the fact remains that foxes are reputed to be a real problem to some farmers at lambing time.

The Levy Nest : A Useful Aid To Farrowing, P Mcnamara

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

The levy farrowing nest which has given good results in England is a recent innovation in Australia.

It could be well adapted for W.A. conditions and is described here by Pig Husbandry Adviser Mr. P. McNamara, B.A. (Cantab.).

Breeding Records For Dairy Cattle, P B. Lewis

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

A N Y business needs records to show up inefficiencies and to indicate where and/or when danger points are being reached.

One record which can be of much use to the dairy farmer is the cow breeding record.

Dingo Control : Organised Ground Baiting Drives At Mating Time, C D. Gooding, J. J. Freeth

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

DINGOES in Western Australia, like all "creatures of nature", have a well defined seasonal pattern of behaviour.

This is influenced somewhat by weather variations, but even in remote areas where violent fluctuations in rainfall occur from year to year, the dingo still breeds at roughly the same time.

The numbers of pups born and the numbers which survive each year varies a lot, but life goes on at roughly the same tempo under most seasonal conditions.

Starvation/Mismothering : A Major Cause Of Lambing Losses, Stanley M. Dennis

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

RESULTS of the preliminary survey into the infectious causes of perinatal lamb mortalities carried out last year by the Department of Agriculture showed that starvation/ mismothering was the most important single cause of death.

Tales From Dead Lambs : Results Of A Survey Of Lambing Losses, Stanley M. Dennis

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

During the past year the Animal Health Laboratory has been conducting a preliminary survey into the infectious causes of abortion in sheep and perinatal lamb mortalities. This work was prompted by:

* The diagnosis of vibrionic abortion for the first time in Western Australia in 1961, and

* The estimate that 30 per cent, of all ewes mated in Australia each year may fail to produce a viable lamb that survives to marking time.

This enormous lamb wastage is due to a variety of causes and the role of infectious agents has yet to be evaluated.

A Simplified Mulesing Crush, G T. Halpin

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

DURING the last two years Mr. Tom Flanigan, a mulesing contractor in a large area centred at Katanning, has performed the mules-tailstrip operation on many thousands of lambs and sheep.