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University of Nebraska - Lincoln
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
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Articles 61 - 70 of 70
Full-Text Articles in Animal Sciences
Studies Of Rickets In Swine, William J. Loeffel, Ray R. Thalman, F. C. Olson, F. A. Olson
Studies Of Rickets In Swine, William J. Loeffel, Ray R. Thalman, F. C. Olson, F. A. Olson
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
During the years 1925 to 1929 inclusive, the Nebraska Agricultural Experiment Station carried on a series of four experiments to study the importance of the antirachitic factors in the nutrition of swine. Vitamin D as obtained from cod-liver oil and the radiant-energy factor of sunlight were the sources of the antirachitic factors that received primary consideration. Emphasis was placed upon the study of the symptoms and lesions produced in pigs fed a rickets-producing ration.
Utilization Of Proteins By The Growing Chick, F. E. Mussehl, C. W. Ackerson
Utilization Of Proteins By The Growing Chick, F. E. Mussehl, C. W. Ackerson
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
1. There is a marked difference in the nutritive value of the various protein-contributing concentrates when used to supplement a corn-wheat basal ration which has been made complete for known vitamin and mineral essentials. 2. There is a great difference in the biological value even of animal protein concentrates. 3. Soybean meal produced a better growth rate than any of the other plant concentrates used. Cottonseed meal proved to have a greater growth-promoting value than did linseed oil meal. 4. The supplementing values of protein concentrates, one to another, is not quite as evident as one would expect if the …
The Vitamin A Content Of The Milk Of Holstein, Ayrshire, Jersey, And Guernsey Cows, H. P. Davis, I. L. Hathaway
The Vitamin A Content Of The Milk Of Holstein, Ayrshire, Jersey, And Guernsey Cows, H. P. Davis, I. L. Hathaway
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
A comparative study of the vitamin A content of milk produced by Holstein, Ayrshire, Jersey, and Guernsey cows was made by comparing the growth produced by 560 rats receiving milk from these breeds as their only source of vitamin A. The results showed some slight irregular differences in the gains produced by the milk from the different breeds. When these differences were considered in view of the individual variation of the experimental animals, they appeared negligible. This conclusion was substantiated by a statistical examination of the data. From the results of this study in which the experiments were duplicated, it …
The Food Habits Of The Ring-Necked Pheasant In Central Nebraska, M. H. Swenk
The Food Habits Of The Ring-Necked Pheasant In Central Nebraska, M. H. Swenk
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
Pheasants, including the Chinese and the so-called English pheasants, with their hybrid the ring-necked pheasant, have been introduced and established in a large area in the northern United States during the past 50 years. During the past 15 years continued importations of these birds into Nebraska, together with the rapid increase of those already established, have built up a large pheasant population in the state, estimated at more than a million birds. They have especially thrived in a block of 16 counties in east-central Nebraska. Protection was afforded them until 1927, when short open seasons were permitted in the fall …
The Incidence Of Avian Tuberculosis In Mammals Other Than Swine, L. Van Es, H. M. Martin
The Incidence Of Avian Tuberculosis In Mammals Other Than Swine, L. Van Es, H. M. Martin
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
The recognition of a very widespread and intense distribution of avian tuberculosis on the farms of a wide area of the United States, as well as the involvement of a mammalian species also, brought to the foreground the question whether or not the great prevalence of poultry tuberculosis could be of importance also from a public health point of view. This phase of the problem not only pertains to the people on the farms but likewise is of fundamental importance to the consumers of poultry produce. European authors had already identified the avian tubercle bacillus in human lesions while in …
Economic Aspects Of Contagious Abortion In A Dairy Herd, Department Of Animal Husbandry
Economic Aspects Of Contagious Abortion In A Dairy Herd, Department Of Animal Husbandry
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
The object of this study is to present the measurable losses due to abortion in a dairy herd of high-producing ability over a period of approximately one-third of a century. The records available provide a rather complete history of what has taken place.
On The Nature And Cause Of "The Walking Disease" Of Northwestern Nebraska (Necrobiosis Et Cirrhosis Hepatis Enzootica), L. Van Es, L. R. Cantwell, H. M. Martin, J. Kramer
On The Nature And Cause Of "The Walking Disease" Of Northwestern Nebraska (Necrobiosis Et Cirrhosis Hepatis Enzootica), L. Van Es, L. R. Cantwell, H. M. Martin, J. Kramer
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
The "walking disease" of Northwestern Nebraska is essentially an enzootic necrobiosis and cirrhosis of the liver due to a toxic agent and does not materially differ from similar disorders occurring in other regions or countries. The disease affects horses and cattle but it is most commonly encountered in the former. The disease in all its clinical and pathological manifestations may be reproduced with the utmost fidelity by the feeding with plants of Senecio riddellii.
Studies On The Ascaris Lumbricoides, H. M. Martin
Studies On The Ascaris Lumbricoides, H. M. Martin
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
The Ascaris lumbricoides, in one phase or another, has attracted the attention of parasitologists for many years, and during the last decade this parasite has been studied by a large number of investigators. The recent observations have been, to a great extent, directed along one line, the study of its life history. These investigators have established two important points: (a) That the life history of Ascaris is more complex than was supposed, as it has been found that a vasculo-pulmonary circuit of the larvae is necessary before they settle down in the intestine, where they develop to the adult …
Nutrient Requirements Of Growing Chicks, F. E. Mussehl
Nutrient Requirements Of Growing Chicks, F. E. Mussehl
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
The object of our experimental work was to establish if possible certain principles of poultry nutrition, permitting later a better combination of natural feedstuffs with the highest growth efficiency.
Studies Of Immunity Against Hemorrhagic Septicemia, L. Van Es, H. M. Martin
Studies Of Immunity Against Hemorrhagic Septicemia, L. Van Es, H. M. Martin
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
As one of the phases of our inquiry an effort was made to acquire some general knowledge regarding the immunizing value (1) of sera prepared with the aid of Bacillus bipolaris septicus procured from cattle and swine or (2) of those alleged to be of service in the control or treatment of hemorrhagic septicemia in the species mentioned. The experiments reported in this publication were almost exclusively made with sera purchased from dealers in biologic products.