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Articles 961 - 981 of 981
Full-Text Articles in Animal Sciences
Ec75-219 Nebraska Swine Report, William Ahlschwede, T. E. Socha, Alfonso Torres-Medina, A. J. Lewis, P. J. Cunningham, Dwane R. Zimmerman, E. R. Peo Jr., Larry K. Mcmullen, Bobby D. Moser, D. L. Ferguson, Phillip H. Grabouski, Murray Danielson, Charles W. Francis, L. F. Elliott, J. A. Deshazer, Roger W. Mandigo, W. J. Goldner, R. D. Fritschen, Gary Zoubek
Ec75-219 Nebraska Swine Report, William Ahlschwede, T. E. Socha, Alfonso Torres-Medina, A. J. Lewis, P. J. Cunningham, Dwane R. Zimmerman, E. R. Peo Jr., Larry K. Mcmullen, Bobby D. Moser, D. L. Ferguson, Phillip H. Grabouski, Murray Danielson, Charles W. Francis, L. F. Elliott, J. A. Deshazer, Roger W. Mandigo, W. J. Goldner, R. D. Fritschen, Gary Zoubek
University of Nebraska-Lincoln Extension: Historical Materials
This 1975 Nebraska Swine Report was prepared by the staff in Animal Science and cooperating departments for use in the Extension and Teaching programs at the University of Nebraska-Lincoln. Authors from the following areas contributed to this publication: Swine Nutrition, swine diseases, pathology, economics, engineering, swine breeding, meats, agronomy, and diagnostic laboratory. It covers the following areas: breeding, disease control, feeding, nutrition, economics, housing and meats.
Structural And Operational Characteristics Of Nebraska And Kansas Feeder-Cattle Growing Operations, J. L. Jorgensen, J. G. Kendrick, A. C. Wellman, J. H. Mccoy, J. W. Koudele, Q. C. Smith
Structural And Operational Characteristics Of Nebraska And Kansas Feeder-Cattle Growing Operations, J. L. Jorgensen, J. G. Kendrick, A. C. Wellman, J. H. Mccoy, J. W. Koudele, Q. C. Smith
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
The beef cattle industry is experiencing a significant increase in demand for feeder cattle. Current difficulties in obtaining sufficient numbers of feeder cattle on a continuing basis have put pressures on the feeder cattle marketing system that did not exist in the past. Feedlot operators, growers (backgrounders), and cow-herd operators are looking for ways and means of improving the system. Innovations are being tested. Those circumstances prompted personnel of the Agricultural Experiment Stations of Kansas and Nebraska to undertake a joint study of cattle marketing under a Regional Research Project.
Subjective Evaluation Of Teat Canal Anatomy, R. D. Appleman
Subjective Evaluation Of Teat Canal Anatomy, R. D. Appleman
Department of Animal Science: Faculty Publications
Since radiographic techniques have shown that streak canals with larger diameters tend to milk-out faster and are more susceptible to new intramammary infections, a practical visual test was sought to provide easier determination of cows with either extremely narrow (slow milking) or extra wide (susceptible to new infections) streak canals.
A subjective teat classification scheme was developed to describe five different teat-end shapes in 159 Holstein and Brown Swiss cows in the University of Nebraska dairy herd. Approximately one-fourth of the cattle had pointed or round teat ends, one-half had fiat or near flat, and one-fourth were either disk or …
Effect Of Fertilization And Management On The Production Of Bromegrass In Northeast Nebraska, G. W. Rehm, W. J. Moline, E. J. Schwartz, R. S. Moomaw
Effect Of Fertilization And Management On The Production Of Bromegrass In Northeast Nebraska, G. W. Rehm, W. J. Moline, E. J. Schwartz, R. S. Moomaw
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
Several experiments were conducted in northeast Nebraska to determine the effect of fertility and management practices on the production of smooth bromegrass (Bromus inermis Leyss). The effectiveness of the various fertilizer treatments was measured in units of dry matter produced per acre as well as beef produced per acre. Results of these studies showed that the production of bromegrass pastures in Nebraska could be markedly improved through proper fertilization.
Genetic Aspects Of Calving Ease, James S. Brinks
Genetic Aspects Of Calving Ease, James S. Brinks
Department of Animal Science: Faculty Publications
Several trends in cattle production and marketing are becoming evident. Leaner and perhaps heavier muscled slaughter cattle will be in demand through the chain from consumers back through retailers, packers, feeders and finally the producers. Emphasis on growth in the feedlot will continue. Thus, the feedlot and carcass characteristics desired point towards fairly large, heavier muscled cattle. At the producer level, increased emphasis is being placed on matching cow size, milk level, and overall biological type to available resources. Thus, the trend for maternal herds in the Great Plains point towards an adapted, probably moderate size, and milking cow that …
1970 Nebraska Beef Cattle Report, J. L. Adams, E. F. Frolik, H. W. Ottoson, F. E. Eldridge
1970 Nebraska Beef Cattle Report, J. L. Adams, E. F. Frolik, H. W. Ottoson, F. E. Eldridge
Nebraska Beef Cattle Reports
The use of high concentrate rations in finishing cattle has led to a rather high loss of livers due to abscesses.
The 1967 Statistical Summary of the Federal Meat Inspection Service of the USDA indicated the total number of cattle inspected was 27,859,980. Of these, 9.6% were condemned because of liver abscess. Considering the value of a liver to be about $3, the estimated loss to the industry because of condemnatIon due to abscess would be over $8 million annually.
The incidence of liver abscesses increases as the roughage level in a finishing ration decreases below 5% (Table I). The …
1967 Beef Cattle Progress Report Of Research Activities, E. F. Frolik, H. W. Ottoson, J. L. Adams
1967 Beef Cattle Progress Report Of Research Activities, E. F. Frolik, H. W. Ottoson, J. L. Adams
Nebraska Beef Cattle Reports
Oral feeding of stilbestrol or implanting with stilbestrol or Synovex has resulted in increased weight gain and efficiency of gain for cattle fed finishing rations.
Combining oral feeding or stilbestrol with implanting did not give increased performance above that obtained from oral stilbestrol alone in two tests. Implanting cattle fed oral stilbestrol at the start of the feeding program with either stilbestrol or Synovex gave a similar pattern of performance to that obtained from oral stilbestrol alone.
1966 Beef Cattle Progress Report Of Research Activities, E. F. Frolik, H. H. Kramer
1966 Beef Cattle Progress Report Of Research Activities, E. F. Frolik, H. H. Kramer
Nebraska Beef Cattle Reports
Many beef cattle breeders in the United States and other countries are following the progress of the selection experiment at the Fort Robinson Beef Cattle Research Station, Crawford, Nebraska. Three lines of Hereford cattle from the same genetic foundation are under selection. Line 21 is selected for 200-day weight. Line 22 is selected for yearling weight. Line 23 is selected for an index combining yearling weight and a score for muscling and fat thickness.
Each line is operated as a closed herd so it will be possible to determine how much improvement in economic traits can be made by selecting …
1965 Beef Cattle Progress Report Of Research Activities, E. F. Frolik, H. H. Kramer
1965 Beef Cattle Progress Report Of Research Activities, E. F. Frolik, H. H. Kramer
Nebraska Beef Cattle Reports
Beef carcass evaluation work is designed to obtain production and carcass data on bulls, steers and heifers. One objective is to evaluate sex effects on growth and carcass traits. Another is to determine if sires rank the same in growth and carcass traits on their bull, steer and heifer progeny.
Preliminary results from the 1963 slaughter groups were reported in the 1964 Beef Cattle Progress Report. This report covers averages of 1963 and 1964 results. Results both years were similar.
Beef Cattle Progress Report, E. F. Frolik, H. H. Kramer
Beef Cattle Progress Report, E. F. Frolik, H. H. Kramer
Nebraska Beef Cattle Reports
Efficiency of sugar beet farming can be improved by feeding beet top silage to livestock.
In two recent trials at the Scotts Bluff Experiment Station lambs fed unwilted beet top silage as the only roughage gained significantly faster than lambs fed corn silage.
Amounts of concentrates were comparable (Nebraska Experiment Station Quarterly, Fall, 1962).
This experiment compared the feeding value of a complete mixture of unwilted beet tops and concentrate added at the time of ensiling, with beet top silage and concentrate handled separately. A conventional corn silage and concentrate ration was used as a control.
Results showed that a …
Effects Of Management, Strain And Truck Shipment On Albumen Quality Of Eggs, J.L. Adams, J.L. Skinner
Effects Of Management, Strain And Truck Shipment On Albumen Quality Of Eggs, J.L. Adams, J.L. Skinner
Department of Animal Science: Faculty Publications
Very little has been reported on changes in quality of eggs during shipment. Gwin (1952) reported a study involving more than a billion eggs purchased by the Armed Forces of the United States. U.S. Grades were determined by candling and inspection by trained inspectors from the Army Veterinary Corps and the U.S. Department of Agriculture. Quality loss was shown to be related to time in transit, distance or miles in transit and seasonal influences. No data were reported as to the relation of varying physical conditions during transit or position effects within the rail cars. Adams and Milam (1960) studied …
Beef Cattle Progress Report, E. F. Frolik, H. H. Kramer
Beef Cattle Progress Report, E. F. Frolik, H. H. Kramer
Nebraska Beef Cattle Reports
Shipping fever is a respiratory disease "complex" of cattle. The disease causes extensive economic losses from death, loss of physical condition, inefficient feed utilization and treatment expense. The annual loss from this disease in the United States has been estimated to be $25,000,000.
In many respects shipping fever is similar to respiratory diseases of humans. It may occur in any season of the year, but is most common in the fall and early winter. Although any age animal may be infected recently weaned calves and feeder cattle which have just been moved from the range to feedlot are most susceptible.
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
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 …
Improvement Of Beef Cattle Through Breeding Methods. Summary Of Results From Regional Project Nc-1, Keith E. Gregory
Improvement Of Beef Cattle Through Breeding Methods. Summary Of Results From Regional Project Nc-1, Keith E. Gregory
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
The major purpose of this project is to obtain information that beef cattle breeders can use to make maximum genetic improvement in all traits of economic value in beef cattle. The major objectives of NC-1 are the following: (1) to determine the traits of economic importance in beef cattle: (2) to assess their relative value; (3) to develop reliable methods and procedures for measuring and evaluating them; (4) to obtain estimates of their heritabilities; (5) to obtain estimates of the genetic and phenotypic correlations among all economically important traits; (6) to evaluate the effects and uses of inbreeding and heterosis; …
Swine Brucellosis: How You Can Eradicate It
Swine Brucellosis: How You Can Eradicate It
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Swine brucellosis is a bacterial disease that affects swine, other domestic animals, and humans. Severe exposure causes the disease in cattle, dogs, cats, and poultry. The disease can spread from one species of animal to another, and from animals to humans. However, it does not normally spread from one human to another, or from humans to animals. The disease costs the swine industry about $10 million a year. Losses due to human infection cannot be estimated. Although human brucellosis, or undulant fever, is difficult to diagnose-especially in mild cases-a total of 892 cases were documented in the United States in …
Relation Of Heart Girth To Weight In Holsteins And Jerseys, H. P. Davis, W. W. Swett, W. R. Harvey
Relation Of Heart Girth To Weight In Holsteins And Jerseys, H. P. Davis, W. W. Swett, W. R. Harvey
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
Body weight is the one measurement most extensively used to evaluate growth, condition, and value for beef, and as a basis for calculating feed requirements for cattle. Weight can be determined readily by scales but unfortunately scales of a capacity adequate for weighing cattle are not always available. Thus there is a real need for a basis of estimating weight from some body measurement that can be obtained easily and at a minimum of cost and time. It is the aim of this study to utilize additional data now available to increase further the accuracy and reliability of estimating weight …
49th Annual Feeders Day Progress Report: Improving Beef Production Through Nutrition And Management, E. F. Frolik, A. W. Epp
49th Annual Feeders Day Progress Report: Improving Beef Production Through Nutrition And Management, E. F. Frolik, A. W. Epp
Nebraska Beef Cattle Reports
The science of nutrition has come into its own in the last few years. Greater recognition of the value of protein, the identification of new nutrients and the awareness of the importance of nutrition to health have been part of this trend.
In this new era in nutrition, beef has been found to be one of our most nutritious foods. Not only does it contain a generous amount of protein, but its protein is of high quality, too. In addition, beef supplies important minerals such as iron and phosphorus, which contribute to healthy blood and sturdy bones. The essential B …
48th Annual Feeders Day Progress Report: Improving Beef Production Through Nutrition And Management, W. V. Lamber, E. F. Frolik
48th Annual Feeders Day Progress Report: Improving Beef Production Through Nutrition And Management, W. V. Lamber, E. F. Frolik
Nebraska Beef Cattle Reports
As we start a new decade it is appropriate to ponder for a moment on where we have been and where we go from here.
The past ten years have seen significant changes in all phases of animal agriculture. Probably the most spectacular changes came in the area of nutrition. During the past ten years significant advances were made in our knowledge on mineral and vitamin nutrition. Additional facts on the old problem of the ratio of concentrates to roughage have been added. Ways of supplementing poor quality roughage to obtain optimum production were learned.
Evaluation Of Ground Corncobs And Corncob Components As Nutritive Materials In Rations For Beef Cattle, J. Matsushima, T. W. Dowe, V. H. Arthaud
Evaluation Of Ground Corncobs And Corncob Components As Nutritive Materials In Rations For Beef Cattle, J. Matsushima, T. W. Dowe, V. H. Arthaud
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
Two feeding trials were conducted to (1) determine the comparative feeding values of ground corncobs with two fractions of the corncobs--namely, the beeswing and woodyring, and (2) to compare different factors that might affect the utilization of ground corncobs and cob fractions in wintering rations for beef cattle.
Cc144 Adjusting To Drought...Why Cull Your Herd Now?, K. C. Fouts, Philip Cole, Paul Guyer, C. W. Nibler, P. A. Henderson
Cc144 Adjusting To Drought...Why Cull Your Herd Now?, K. C. Fouts, Philip Cole, Paul Guyer, C. W. Nibler, P. A. Henderson
University of Nebraska-Lincoln Extension: Historical Materials
Extension Circular CC144 This circular is about adjusting to drought and why to cull your herd now.
Carotene Content Of Native Nebraska Grasses, I. L. Hathaway, H. P. Davis, F. D. Keim
Carotene Content Of Native Nebraska Grasses, I. L. Hathaway, H. P. Davis, F. D. Keim
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
The carotene content of twenty-four grasses native to Nebraska were determined at approximately monthly intervals from June to November. While the carotene concentration of most of the grasses was moderately high during the growing season, it declined to a rather low point by late November. With the exception of Switchgrass, Hairy Grama, Little Bluestem and Prairie Dropseed, all of the grasses contained enough carotene to supply the needs of range cattle until late November. However, only eighteen of the grasses still contained enough carotene by the latter part of September to furnish the carotene required by dairy cows. Even as …