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Growth Study Of Young Gizzard Shad, George Pahl, Gordon Willfahrt

Journal of the Minnesota Academy of Science

This investigation was part of a general study aimed at shedding light upon the role of the gizzard shad (Dorosoma cepedianum) as a forage fish of certain game fish species. Recent changes in the populations of such game fish species as the walleye ( Stizastedion vitreum), northern pike ( Esox lucius) , and largemouth bass (Micropterus salmoides) in the upper Mississippi River suggest that the gizzard shad population might have an important bearing on the present situation. The purpose of this investigation was to study the growth rates of the gizzard shad in the Upper Mississippi River during their first …

Ecology Of Insect Swarms. Iii. Intraspecific Interference In The Swarms Of Anarete Sp. Near Felti Pritchard (Cecidomyiidae, Diptera), H. C. Chiang

Journal of the Minnesota Academy of Science

No abstract provided.

The Land-Grant Movement And Its Influence On Scientific Agriculture In Minnesota, Bill W. Kennedy

Journal of the Minnesota Academy of Science

Agriculture is the most basic of all human enterprises. Quantity and quality, as related to food production, are founded upon principles of science; a situation whereby man can use his own ingenuity to instrument selected benefits by modifying the course of nature. History provides evidence of a correlation between development of a primitive agriculture and a numerical increase in human population. Furthermore, records of the past show that food supplies have delimited man's geographic distribution, frequently have directed the policies of his government, and ultimately have seemed to mark the boundaries of his social progress. In modern times the United …

The Fauna And Flora Of Horn Island, Mississippi, E. Avery Richmond

Gulf and Caribbean Research

From 26 February 1944 until 4 February 1945, I was stationed with the U. S. Army on Horn Island, Mississippi, and decided to observe and record the animals and plants existing there. At the time, it seemed that little attention had been devoted to the wildlife of this island, but eventually it became apparent that some studies had been made. However, many of the observations have not been published and many of the records of the flora and fauna living on and around the island are scattered and unavailable. The most outstanding papers include those of Lloyd and Tracy (1901), …

Specific Names Of The Atlantic American White Shrimp (Family Penaeidae), Gordon Gunter

Gulf and Caribbean Research

Penaeid shrimp are of special interest to zoologists for several reasons, one being the fact that they are unique among the decapod Crustacea in having a nauplius larval stage, which is otherwise found only in lower groups.

The shrimp catch of the south Atlantic and Gulf coasts in 1360 amounted to one-fifth of the total value of all fishery products of the United States (Power, 1961), and the shrimp fishery is the most valuable one in the country. The catch depends almost wholly upon three species, Penaeus aztecus Ives, P. duorarum Burkenroad and P. setiferus (Linnaeus) , according to current …

Field Day : Poultry Research : A Progress Report : Poultry Research Station, Wembley, Department Of Agriculture, Western Australia

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

AT the fourth field day held at the Department of Agriculture's Poultry Research Station at Wembley recently, about 150 visitors, most of them commercial poultry farmers, inspected the station and saw the progress of the comprehensive research programme being carried out by officers of the Department's Poultry Branch.

Special Seeds Help Weeds To Spread, Robert Dunlop Royce

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

PERHAPS the most important characteristic of a plant which establishes it as a weed is that it serves no useful purpose under the circumstances in which it occurs.

List Of Registered Fertilisers For 1962, H G. Cariss

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

IN accordance with the provisions of the Fertilisers Act, 1928-1955, it is required that—with the exception of bulk sales to a manufacturer and those made in accordance with a buyer's written prescription—all fertilisers sold must be registered annually.

The registration year is from November 1 to October 31 in the following year. The list of fertilisers registered for the year commencing November 1, 1961, is set out in the following tables.

Pigs On The Dairy Farm : Cutting Costs To Meet Low Prices, R A. Bettenay

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

As all dairy farmers know, the market prices of pigs tends to fluctuate, depending on supply and demand, in a manner which is very hard to predict.

At a time when prices are low there are several things which the dairy farmer can do to continue operating, although at a reduced margin.

Detergents For The Dairy Farm, H Maslin

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

CLEANLINESS in both the physical and bacteriological sense is essential to the production of high quality dairy products, and high quality in these products is essential to both the health of the community and the successful and economic operation of the industry.

Detergents have an important place in maintaining dairy hygiene—but they must be properly used if they are to be really effective.

In this article Dairy Instructor H. Maslin, M.D.D., describes the qualities of a good dairy detergent and explains how it should be fitted into the regular cleaning routine.

Cotton Growing On The Ord River, N J. Thomson

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

Cotton growing is nearing the commercial stages on the Ord River, with the first farm scale crops now ready to harvest on the Pilot farm, and the Kimberley Research Station.

It is already backed by some years of experimental work at K.R.S., which has provided the background for this article giving the first recommendations on cotton growing for future settlers in the Ord River Irrigation Area.

Ovine Vibriosis : A New Cause Of Sheep Infertility, M R. Gardiner, M. E. Nairn, I. J. Miller

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

Vibrionic abortion of sheep has caused heavy losses in a number of wheatbelt flocks. In several flocks up to 50 per cent, of the ewes aborted as a result of this newly reported disease.

This article gives the history of the disease in this State, and describes the symptoms for the benefit of other farmers whose flocks may be affected. Ewes become immune after the first attack.

Food For Thought In Rabbit Poisoning, J W. Leighton

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

SINCE the introduction of the "1080" Poisoning Unit Scheme in 1955 by the Agriculture Protection Board reasonable control of rabbit numbers has been obtained.

Besides this many important side effects have resulted.

Dairy Hygiene, J F. Brennen

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

A high standard of hygiene is essential in the production of milk and milk products for human consumption.

Dairy Instructor J. F. Brennen, M.D.A., outlines some of the steps needed in order to achieve this.

Fifth Random Sample Egg Laying Test : 1961-62, Department Of Agriculture, Western Australia

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

THE figures in the table below give the progressive laying report to May 27, 1962, after 22 weeks of production.

The entries are ranked in order of profit, but undue emphasis should not be placed on the results of this progress report, which refers only to one uncompleted test.

Mineral Supplements, Laurence C. Snook

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

TJRODUCTIVE dairy cows have a high mineral requirement. A deficiency can cause lowered milk production and poor health may result if it is not corrected.

Soft Water For Dairy Cleaning, Department Of Agriculture, Western Australia

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

CLEAN utensils are essential for the production of high quality dairy products.

Cleanliness of dairy equipment depends a lot on how efficiently the detergent can do its job.

Water For Agriculture. 1. Water For Agricultural Purposes In Western Australia, Department Of Agriculture, Western Australia

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

THE total soluble salts content of a water is the most important characteristic in determining the suitability of Western Australian waters for stock, irrigation or general use.

Other quality characteristics are of secondary importance.

Management Of Laying Flock, Department Of Agriculture, Western Australia

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

EGG production usually declines in birds which have been under lights during autumn and winter. Egg prices are lower and flocks should therefore be culled more severely.

Getting Ready For Summer, Department Of Agriculture, Western Australia

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

THE spring period is one of completion and preparation for poultry farmers.

50th Annual Feeders Day Progress Report, C. H. Adams, Guy N. Baker, Kemal Biyikoglu, D. C. Clanton, A. D. Flowerday, K. E. Gregory, Lionel Harris, J. E. Ingalls, R. M. Koch, J. K. Matsushima, M. W. Mccullough, J. A. Rothlisberger, W. W. Rowden, L. A. Swiger, Walter Tolman, D. R. Zimmerman

Nebraska Beef Cattle Reports

Feeding pastured calves protein supplements weekly instead of daily during the winter made little difference in either winter or summer gains, according to research results to date.

Two sources of protein were used in the trial. (I) Second cutting alfalfa hay was fed at the rate of four pounds per head daily. One group of calves was fed four pounds per head daily and one group was fed 28 pounds per head once each week. (2) Forty percent protein, pellets or cake, was fed at the rate of one pound per head daily. One group was fed one pound per …

Some Effects Of Ionizing Radiation On The Oral Suckers Of Rana Pipiens Embryos, Charles C. Reed

Journal of the Arkansas Academy of Science

No abstract provided.

Light Lands In Western Australia. 1. History And Future Prospects, F L. Shier

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

BECAUSE of the scattered distribution of light lands of the agricultural areas of Western Australia among the better soils, and their large total area, it is not surprising that attempts to develop these unattractive soils for agriculture started many years ago.

Translation Of Levit, A. V. 1962. Some Results Of A Study Of Domestic Animals For Toxoplasmosis In The Alma-Ata Oblast [= Obsledovaniya No Toksoplazmoz Domashnikh Zhivotnykh V Alma-Atinstoi Oblasti]. In Boev, S. N., Et Al., Editors. Parasites Of Farm Animals In Kazakhstan, I [= Parazity Sel'skhozyaistvennykh Zhivotnykh Kazakhstana, I]. Izdat. Akademie Nauk Kazakh Ssr, Alma-Ata, Pp. 20-25, A. V. Levit, Frederick K. Plous Jr.

Harold W. Manter Laboratory of Parasitology: Library Materials

Conclusions

1. Group biological probes on white mice were used to examine 64 dogs and 224 domestic cats. Toxoplasma was isolated from dogs in one test and from cats in another. In one case Toxoplasma was observed in a cerebrospinal fluid precipitate from cats.

2. In a CFR examination of blood sera from 1,132 domestic animals for toxoplasmosis, positive results were obtained from 25 (37.5%) dog sera, 28 (57.1%) rabbit sera, and 260 (33.4%) cattle sera.

3. In a CFR investigation of sera. from white mice used in bioprobes on domestic cats, toxoplasmosis antibodies were observed in 8 out of …

Translation Of Peteshev, V. M. 1962. Hemosporidia Of Cattle In The North Of Kazakhstan [= Gemosporidii Rogatogo Skota Na Severe Kazakhstana] In Boev, S. N. Et Al., Editors. Parasites Of Farm Animals In Kazakhstan, I. [= Pararazity Sel'skhokzyaistvennykh Zhivotnykh Kazakhstana, I]. Izdat. Akademie Nauk Kazakh Ssr, Alma-Ata, Kazakh Ssr, Pp. 26-28, V. M. Peteshev, Frederick K. Plous Jr.

Harold W. Manter Laboratory of Parasitology: Library Materials

Translation number 21, College of Veterinary Medicine, University of Illinois, Urbana, Illinois, United States, December 17, 1969 (4 pages)

Translation of Peteshev, V. M. 1962. Hemosporidia of cattle in the north of Kazakhstan [= Gemosporidii rogatogo skota na severe Kazakhstana] In Boev, S. N. et al., editors. Parasites of farm animals in Kazakhstan, I. [= Pararazity sel'skhokzyaistvennykh zhivotnykh Kazakhstana, I]. Izdat. Akademie Nauk Kazakh SSR, Alma-Ata, Kazakh SSR, pp. 26-28

Translated from Russian to English by Frederick K. Plous, Jr., and edited by Norman D. Levine (notated NDL:cml)

Translation Of Levchenko, N. G. 1962. Dynamics Of An Infection By Sarcocystis Tenella Sarcosporidia In Sheep In Southeast Kazakhstan [= Dinamika Zarazheniya Sarkosporidyami Sarcocystis Tenella Ovets Yugo-Vostoka Kazakhstana]. In Boev., S. N., Et Al., Editors. Parasites Of Farm Animals In Kazakhstan, I. [= Parazity Sel'skhokzyaistvennykh Zhivotnykh Kazakhstana, I]. Izdat. Akademie Nauk Kazakh Ssr, Alma-Ata, Kazakh Ssr, Pp. 63-68, N. G. Levchenko, Frederick K. Plous Jr.

Harold W. Manter Laboratory of Parasitology: Library Materials

Conclusions

Sarcocystis tenellainfects sheep in southeast Kazakhstan starting in their second month of life. As the sheep age the extent and intensity of infection grows, by the tenth or eleventh month, 100% of the sheep are infected. Adult sheep more than 5 years old are all infected with sarcosporidia.

As the level of fatness decreases the extent and severity of sarcosporidial infection rises.

Females become infected oftener and more heavily than males.

Infection of sheep by sarcosporidia occurs throughout the year in southeast Kazakhstan, with a rise in the spring-summer and early autumn periods; its prevalence is somewhat less …

Review Of Sex Ratios And Age Ratios In North American Ducks, Paul A. Johnsgard

Papers in Ornithology

This bulletin is by far the most elaborate and comprehensive of any of the publications dealing with waterfowl age and sex ratios that have appeared to date, and represents the presentation and analysis of sex and age ratio data accumulated by the Illinois Natural History Survey over the last 24 years. The several people concerned are to be congratulated for bringing this material into publishable form, and it is commendable that the National Science Foundation undertook the printing costs of this extensively tabulated and illustrated bulletin.

Translation Of Levchenko, N. G. 1962. Infection By Sarcosporidia (Genus Sarcocystis) In Farm Animals Of Southeast Kazakhstan [=Porazhenie Sarkosporidiyami (Roda Sarcocystis) Sel'skokhozyaistvennykh Zhivotnykh Yugo-Vostoka Kazakhstana]. In Boev, S. N. Et Al., Editors. Parasites Of Farm Animals In Kazakhstan, I. [= Parazity Sel'skhokozyaistvennykh Zhivotnykh Kazakhstana, I]. Izdat. Akademie Nauk Kazakh Ssr, Alma-Ata, Kazakh Ssr, Pp. 56-62, A. V. Levit, Frederick K. Plous Jr.

Harold W. Manter Laboratory of Parasitology: Library Materials

Conclusions

Farm animals in southeast Kazakhstan are widely infected with sarcosporidia: 96.9% of the sheep, 88% of the cattle, 70% of the camels, and 40% of the swine.

The muscles most often and most heavily infected are: in sheep, the heart, diaphragm, and median buttock muscle; in cattle, the heart and esophagus; in camels, the esophagus, diaphragm, and median buttock muscle; in swine, the heart, diaphragm, and median buttock.

The most objective data on infection of animals can be obtained by studying a minimum of 3 or 4 muscles of different muscular systems simultaneously.

Heavy infection of muscles by sarcosporidia, …

Studies On Parorchis Acanthus (Trematoda: Digenea) As A Biological Control For The Southern Oyster Drill, Thais Haemastoma, Nelson R. Cooley

United States Fish and Wildlife Service: Publications

Events in the attack on the southern oyster drill, Thais haemastoma, by miracidia of the digenetic trematode, Parorchis acanthus, are described.

Infection rates in wild drill populations of various Gulf Coast localities from Florida to Texas were low, but intensity of infection in individual drills was high and caused castration. Infection rates in laboratory experiments were high, but intensities were low.

Pathology of natural infections in drills is described. The infection lasts at least two years, possibly even for life.

Natural infection rates of juvenile herring gulls (Larus argentatus) , ring-billed gulls (L. delawarensis), and …

Studies On The Larval Development Of Rithropanopeus Harrisii (Gould) Of The Family Xanthidae (Brachyura), M. Roy Hood

Gulf and Caribbean Research

Because the early biologists did not see decapod larvae “in the act” of changing from one phase to another due to the fact that they were parts of planktonic collections and their parentage was unknown, each phase was given a generic and specific name of its own. Gurney (1921) did not concur with this practice, but was of the opinion that it is more profitable to assign larvae to definite genera or families, even if the reference proved to be wrong.

The chief difficulty encountered in rearing decapod larvae is the maintenance of a constant supply of suitable living food …