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Articles 33361 - 33390 of 36388
Full-Text Articles in Entire DC Network
Protein And Lysine Levels In Growing-Finishing Swine Rations, R. C. Wahlstrom, G. W. Libal, J. F. Fredrikson
Protein And Lysine Levels In Growing-Finishing Swine Rations, R. C. Wahlstrom, G. W. Libal, J. F. Fredrikson
South Dakota Swine Field Day Proceedings and Research Reports, 1970
Cereal grains are particularly low in lysine, one of the essential amino acids, and a protein supplement must be fed with grains to supply additional lysine as well as other amino acids. The purpose of the experiment reported herein was to study the performance of growing and finishing pigs when fed rations of different protein content with and without additional lysine supplementation.
Feeding Stalls For Brood Sows, George W. Libal, Richard C. Wahlstrom, J. W. Mccarty
Feeding Stalls For Brood Sows, George W. Libal, Richard C. Wahlstrom, J. W. Mccarty
South Dakota Swine Field Day Proceedings and Research Reports, 1970
How to assure that each sow gets her fair share of feed and how to control the "boss" sows are management problems facing the producer who is limit feeding groups of sows in order to get maximum litter size and minimum gestation feed costs. Feeding stalls have proven very effective in achieving both of these objectives. There are several types of commercial stalls on the market as well as several good designs for homemade feeding stalls. The type used South Dakota State University has drawn considerable interest by producers and many have asked for material lists and costs. These stalls …
The Influence Of Energy During Estrus Of On Ovulation Rate, Goerge W. Libal, Richard C. Wahlstrom
The Influence Of Energy During Estrus Of On Ovulation Rate, Goerge W. Libal, Richard C. Wahlstrom
South Dakota Swine Field Day Proceedings and Research Reports, 1970
Recently, English workers have reported that when sows or gilts that were being limit fed (3 to 4 lb. per day) were allowed a double quantity of feed only on the first feed following breeding the number of ovum shed was increased. When sows were allowed to complete gestation, litter size was larger by approximately 2 pigs. The experiment reported herein was an attempt to duplicate the English work and evaluate this method of "flushing" under South Dakota conditions.
A Study Of Diet Preference By Early Weaned Pigs, Larry Hauser, Richard C. Wahlstrom
A Study Of Diet Preference By Early Weaned Pigs, Larry Hauser, Richard C. Wahlstrom
South Dakota Swine Field Day Proceedings and Research Reports, 1970
The trial reported here was designed to compare the single-stimulus method of palatability testing with the free-choice selection method and to determine the effects of partially delactosed whey, with and without sugar, on the gain and feed efficiency of early weaned pigs.
Effect Of Environment, Sex And Protein Level Of Ration On Performance And Carcass Characteristics Of Growing-Finishing Swine, Richard C. Wahlstrom, George W. Libal, Jacob F. Fredrikson
Effect Of Environment, Sex And Protein Level Of Ration On Performance And Carcass Characteristics Of Growing-Finishing Swine, Richard C. Wahlstrom, George W. Libal, Jacob F. Fredrikson
South Dakota Swine Field Day Proceedings and Research Reports, 1970
Research conducted at the Southeast South Dakota Experiment Farm during the winter of 1968-69 and reported at the 1969 Swine Field Day (A.S. Series 69-38) indicated that the performance of pigs fed rations containing 15% protein to about 115 lb. and 12% protein to market weight was equal to that of pigs fed a ration 17% protein to 115 lb. reduced to 14% protein from 110 lb. to market weight. In the previous trial about 9% more feed was required for those pigs fed in the uncontrolled environment; however, rate of gain was not affected by the type of housing. …
Review Of Research Of The Value Of High Moisture Corn For Growing And Finishing Swine, L. J. Kortan
Review Of Research Of The Value Of High Moisture Corn For Growing And Finishing Swine, L. J. Kortan
South Dakota Swine Field Day Proceedings and Research Reports, 1970
Work at South Dakota State University during the 10 year period 1942-1951 with soft corn for growing-finishing pigs showed that hogs are well adapted to utilize soft corn. In all six trials during this period, pigs fed soft corn showed a lower rate of gain per day than the pigs fed hard corn. However, when the soft corn was dried and fed, the pigs made practically the same rate of gain as the pigs fed hard corn. Compared on a dry matter basis, the value of soft corn was practically equal to hard corn for growing pigs. However, the pigs …
High-Lysine Corn In Growing-Finishing Swine Rations, Keith E. Gilster, Richard C. Wahlstrom
High-Lysine Corn In Growing-Finishing Swine Rations, Keith E. Gilster, Richard C. Wahlstrom
South Dakota Swine Field Day Proceedings and Research Reports, 1970
The objectives of this experiment were to compare the performance and carcass characteristics of growing-finishing pigs fed rations of normal or opaque-2 corn containing recommend and low levels of protein.
High Lysine Corn Fed Free-Choice To Growing-Finishing Swine, Richard C. Wahlstrom, George W. Libal
High Lysine Corn Fed Free-Choice To Growing-Finishing Swine, Richard C. Wahlstrom, George W. Libal
South Dakota Swine Field Day Proceedings and Research Reports, 1970
Analyses of opaque-2 corn have indicated a higher content of lysine and tryptophane than found in normal corn. Since these two amino acids are the most limiting amino acids in most practical swine diets, opaque-2 corn should permit a reduction in the need for supplementary protein. Experiments conducted at the South Dakota Agricultural Experiment Station and at other Experiment Stations have shown this to be true, with less protein supplement needed in swine rations containing opaque-2 corn than in rations containing normal corn.
The Effect Of Gestation Energy Levels On Reproductive Performance Of Sows And Gilts, George W. Libal, Richard C. Wahlstrom
The Effect Of Gestation Energy Levels On Reproductive Performance Of Sows And Gilts, George W. Libal, Richard C. Wahlstrom
South Dakota Swine Field Day Proceedings and Research Reports, 1970
Restricting energy on total feed intake has been accepted as a desirable management pract ice for gestating sows and gilts. The advantages are reduced feed costs during gestation and larger and stronger litters resulting from more proper nutrition of the gestating sow. The common practice of reducing total feed level quite of ten reduces daily intake of energy protein and many of the other nutrients required by the sow. The experiment reported herein is an attempt to establish minimum required levels of metabolize energy for gestating sows and gilts under both summer and winter conditions. These sows will be maintained …
Fourteenth Annual Swine Field Day 1970 Complete Report, Animal Science Department
Fourteenth Annual Swine Field Day 1970 Complete Report, Animal Science Department
South Dakota Swine Field Day Proceedings and Research Reports, 1970
These are the complete proceedings of the fourteenth annual South Dakota Swine Field Day held on November 19, 1970 at South Dakota State University.
Vitamin E, Copper, And Tylosin In The Diets Of Growing-Finishing Swine, George E. Libal, Richard C. Wahlstrom
Vitamin E, Copper, And Tylosin In The Diets Of Growing-Finishing Swine, George E. Libal, Richard C. Wahlstrom
South Dakota Swine Field Day Proceedings and Research Reports, 1970
Recent research with growing pigs has shown that vitamin E may be deficient in some corn-soybean meal diets. Some possible reasons why vitamin E deficiencies are being experienced today are that fewer pigs are fed on pasture, which is a good source of vitamin E; more corn is being picked wet and then artificially dried, which can destroy vitamin E; and the presence of a low selenium content of corn.
Copper has been shown to produce a growth response similar to antibiotics when it is fed at levels of 125 to 250 ppm. the study reported herein was conducted during …
The Effect Of Tylosin And A Combination Of Diethylstilbestrol And Methyltestosterone On Performance And Carcass Characteristics Of Finishing Pigs, Richard C. Wahlstrom, George W. Libal
The Effect Of Tylosin And A Combination Of Diethylstilbestrol And Methyltestosterone On Performance And Carcass Characteristics Of Finishing Pigs, Richard C. Wahlstrom, George W. Libal
South Dakota Swine Field Day Proceedings and Research Reports, 1970
This experiment was conducted to obtain further information on the effect of feeding these hormones at a higher level during the first half of the finishing period (100 to 150 lb.) and reducing the level fed for the last half of the period.
Wheat In Swine Finishing Rations, J. W. Mccarty, R. C. Wahlstrom, A. E. Dittman
Wheat In Swine Finishing Rations, J. W. Mccarty, R. C. Wahlstrom, A. E. Dittman
South Dakota Swine Field Day Proceedings and Research Reports, 1970
The objectives of the trial reported here were:
1. To compare the performance of pigs fed rations with the same proportions of grain and supplement but with the grain corn in one rations and wheat in another ration.
2. To assess the possible feeding value of wheat's greater protein content by use of an all wheat ration in which there was a lower level of supplemental protein.
3. To assess the value of lysine in wheat rations by the effition of lysine to the same ration as used for comparison 2 (above).
Influence Of Temporary Chemical Immobilization Of Boar Spermatozoa Upon In Vitro Survival, W. L. Singleton, T. D. Rich
Influence Of Temporary Chemical Immobilization Of Boar Spermatozoa Upon In Vitro Survival, W. L. Singleton, T. D. Rich
South Dakota Swine Field Day Proceedings and Research Reports, 1970
The use of artificial insemination (AI) in swine has been restricted because of the inability to store semen. It is usually recommended that for AI use boar semen not be stored more than 48 hours. Obviously, the goal is to develop a technique whereby boar semen could be stored indefinitely such as is the case with bull semen. However, until such a technique is developed, a method of storing boar semen for a few days would be of value for promoting AI in swine.
Swan Sighting Prompts Furor: Were They Mutes Or Whitslers (Sic)?, Jessie Maye Smith
Swan Sighting Prompts Furor: Were They Mutes Or Whitslers (Sic)?, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Kentucky Warbler (Vol. 46, No. 4), Kentucky Library Research Collections
Kentucky Warbler (Vol. 46, No. 4), Kentucky Library Research Collections
The Kentucky Warbler
No abstract provided.
Special Equipment Qualifies Woodpecker As Tree Surgeon, Jessie Maye Smith
Special Equipment Qualifies Woodpecker As Tree Surgeon, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Ducks Commanding Attention Of Birders On Land And Water, Jessie Maye Smith
Ducks Commanding Attention Of Birders On Land And Water, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Visit To Refuge Reveals Whys Of Bird Collisions On Flyways, Jessie Maye Smith
Visit To Refuge Reveals Whys Of Bird Collisions On Flyways, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Wildlife Refuge Beats Nightlife For Birders On New York Trip, Jessie Maye Smith
Wildlife Refuge Beats Nightlife For Birders On New York Trip, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Letters From Many Countries Fly On Stamps Of Brilliant Hue, Jessie Maye Smith
Letters From Many Countries Fly On Stamps Of Brilliant Hue, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Flora Of The National Reactor Testing Station, N. Duane Atwood
Flora Of The National Reactor Testing Station, N. Duane Atwood
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Front Matter, Vol. 11 No. 4
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 12 No. 1
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Front Matter, Vol. 12 No. 1
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 11 No. 4
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Mites And Lice Of The National Reactor Testing Station, Dorald M. Allred
Mites And Lice Of The National Reactor Testing Station, Dorald M. Allred
Brigham Young University Science Bulletin, Biological Series
Mites of 47 species and lice of 16 species were taken from reptiles of 3 species, birds of 23 species, and mammals of 18 species at the National Reactor Testing Station between June, 1966, and September, 1967. Mammals differed in degree of infestation relative to their geographic distribution at the station. The number of species of ectoparasites which occurred on a particular kind of host generally was in direct proportion to the number of hosts examined, but exceptions occurred in some instances. In some cases the rate of infestation differed relative to the sex of the host. The greatest numbers …
Best Keep Weather Eye Out If Tracking Migrant Fowl, Jessie Maye Smith
Best Keep Weather Eye Out If Tracking Migrant Fowl, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Author Urges Concerted Plan To Solve Ecological Problems (Book Review), Jessie Maye Smith
Author Urges Concerted Plan To Solve Ecological Problems (Book Review), Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Tipsiness Purely Coincidental In Fermented Berry Feastings, Jessie Maye Smith
Tipsiness Purely Coincidental In Fermented Berry Feastings, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.