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Kansas Agricultural Experiment Station Research Reports

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1996

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Articles 31 - 60 of 115

Full-Text Articles in Life Sciences

The Impact Of Selected Hog Carcass Traits On Prices Received (1996), J Mintert, Steven S. Dritz, Ted C. Schroeder, S Hedges Jan 1996

The Impact Of Selected Hog Carcass Traits On Prices Received (1996), J Mintert, Steven S. Dritz, Ted C. Schroeder, S Hedges

Kansas Agricultural Experiment Station Research Reports

Hog producers can control the quality of the hogs they market. Through genetic selection and management, producers can have a large impact on hog carcass characteristics such as weight, backfat depth, and loin depth. Determining how much emphasis to place on changing or managing various carcass traits requires knowledge of the trait's value to the individual producer. Results from this study provide information on expected changes in price at one major midwestern packer associated with changes in carcass weight, backfat depth, and loin depth. Number of hogs marketed in each group did not affect net carcass value. However, these results …

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Monthly Variation In Hog Carcass Traits (1996), J Mintert, Steven S. Dritz, Ted C. Schroeder, S Hedges Jan 1996

Monthly Variation In Hog Carcass Traits (1996), J Mintert, Steven S. Dritz, Ted C. Schroeder, S Hedges

Kansas Agricultural Experiment Station Research Reports

Little research has been conducted regarding the impact that time of year when hogs are marketed has on various carcass traits. This study examined monthly variation in a variety of hog carcass traits based upon 1995 slaughter summaries provided by a midwestern hog marketing network. Results indicate that carcass traits did indeed vary throughout the 1995 calendar year. However, given that these monthly variations were observed only during one year, it remains to be seen whether they indicate a seasonal relationship that hog producers can expect to see year after year or specific factors operative only in 1995. Additional years …

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Use Of Sorghum-Based Distillers Grains In Diets For Nursery And Finishing Pigs (1996), B W. Senne, I Mavromichalis, S L. Johnston, P S. Sorrell, I H. Kim, Robert H. Hines, Joe D. Hancock Jan 1996

Use Of Sorghum-Based Distillers Grains In Diets For Nursery And Finishing Pigs (1996), B W. Senne, I Mavromichalis, S L. Johnston, P S. Sorrell, I H. Kim, Robert H. Hines, Joe D. Hancock

Kansas Agricultural Experiment Station Research Reports

Two experiments were conducted to etermine the effects of sorghum-based distillers dried grains with solubles in isocaloric diets for nursery and finishing pigs. Rate and efficiency of gain in nursery pigs were decreased with 45% or more distillers grains. For finishing pigs, efficiency of gain was improved as distillers grains was increased to 60% of the diet, and carcass fatness was increased by about .1 inch at the highest concentration.; Swine Day, Manhattan, KS, November 21, 1996

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Effects Of Fat And Sodium Bicarbonate On Growth Performance And Stomach Morphology In Finishing Pigs (1996), S P. Sorrell, I H. Kim, Robert H. Hines, G A. Kennedy, L L. Burnham, Joe D. Hancock Jan 1996

Effects Of Fat And Sodium Bicarbonate On Growth Performance And Stomach Morphology In Finishing Pigs (1996), S P. Sorrell, I H. Kim, Robert H. Hines, G A. Kennedy, L L. Burnham, Joe D. Hancock

Kansas Agricultural Experiment Station Research Reports

Pigs fed diets with soybean oil consumed less feed; grew more efficiently; and had greater last-rib backfat thickness, keratosis, and ulceration in their stomachs than pigs fed diets without soybean oil. Pigs fed diets with NaHC03 tended to eat more feed and had numerically greater ADG, but feed/gain and carcass measurements were not affected. NaHC03 decreased ulceration scores only for pigs fed diets without added fat.; Swine Day, Manhattan, KS, November 21, 1996

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The Effect Of Carbohydrate Source And Extrusion Processing On Growth Performance On Segregated Early-Weaned Pigs (1996), K Hongtrakul, J R. Bergstrom, I H. Kim, W B. Nessmith Jr, Robert D. Goodband, Keith C. Behnke, Michael D. Tokach, Jim L. Nelssen Jan 1996

The Effect Of Carbohydrate Source And Extrusion Processing On Growth Performance On Segregated Early-Weaned Pigs (1996), K Hongtrakul, J R. Bergstrom, I H. Kim, W B. Nessmith Jr, Robert D. Goodband, Keith C. Behnke, Michael D. Tokach, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

A 21-day growth trial was conducted to determine the effect of various carbohydrate sources with or without moist extrusion processing on growth performance of segregated early-weaned pigs. Treatments included five different carbohydrate sources (corn, corn starch, rice, wheat flour, and grain sorghum) with or without moist extrusion processing in a 2 x 5 factorial arrangement. No interactions were observed among carbohydrate sources and extrusion processing. Growth performance was not improved by extrusion processing. Surprisingly, pigs fed corn had poorer growth performance compared to those fed other carbohydrate sources. These results suggest that corn starch, rice, wheat flour, and grain sorghum …

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Genetic Parameters For Growth And Carcass Traits From Crossbreeding, K.M. Andries, R.R. Schalles, D.E. Franke, Michael E. Dikeman Jan 1996

Genetic Parameters For Growth And Carcass Traits From Crossbreeding, K.M. Andries, R.R. Schalles, D.E. Franke, Michael E. Dikeman

Kansas Agricultural Experiment Station Research Reports

Growth and carcass data from 5 years of a long-term, rotational, crossbreeding project were used to calculate heritabilities and genetic and phenotypic correlations for direct and maternal birth and weaning weight, gain on feed, hot carcass weight, ribeye area, marbling score, and age at slaughter. Angus, Brahman, Hereford, Charolais, Simmental, and Gelbvieh breeds were involved. Heritabilities of traits ranged from low (maternal weaning weight 0.04) to moderate (direct weaning weight 0.41). Direct birth weight, direct weaning weight, gain on feed, and hot carcass weight had moderate to high genetic correlations. Marbling had negative genetic correlations with birth and weaning weight …

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The Influence Of Various Levels Of Supplemental Starch And Degradable Intake Protein On Prairie Hay Intake And Digestion By Beef Steers, R.C. Cochran, E.S. Vanzant, Evan C. Titgemeyer, Timothy J. Jones, K. C. Olson Jan 1996

The Influence Of Various Levels Of Supplemental Starch And Degradable Intake Protein On Prairie Hay Intake And Digestion By Beef Steers, R.C. Cochran, E.S. Vanzant, Evan C. Titgemeyer, Timothy J. Jones, K. C. Olson

Kansas Agricultural Experiment Station Research Reports

A study was conducted to determine the effect of varying the amount of supplemental degradable intake protein (DIP) and starch on prairie hay intake and digestibility. In general, DIP increased forage intake, whereas starch decreased intake. Diet digestibility also improved with increasing DIP; however, the effect of starch on digestion depended on the level of feeding. Digestible dry matter intake (which estimates total energy input) responded dramatically to DIP but not to starch. These results illustrate the positive effect of DIP on forage intake and digestibility; however, supplying additional starch within a DIP level appeared to have minimal effect on …

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Effect Of Grain Content On The Nutritive Value Of Whole-Plant Grain Sorghum Silage, B.S. Dalke, R.N. Jr. Sonon, D.L. Holthaus, K.K. Bolsen, Matthew A. Young Jan 1996

Effect Of Grain Content On The Nutritive Value Of Whole-Plant Grain Sorghum Silage, B.S. Dalke, R.N. Jr. Sonon, D.L. Holthaus, K.K. Bolsen, Matthew A. Young

Kansas Agricultural Experiment Station Research Reports

This experiment was conducted to determine the effect of grain content on the nutritive value of whole-plant grain sorghum silage. Silage dry matter (DM), organic matter (OM), and crude protein (CP) contents increased with increasing levels of grain in the reconstituted, whole-plant silages, whereas neutral detergent fiber (NDF) and acid detergent fiber (ADF) contents decreased as the level of grain increased from 0 to 48%. When fed to sheep (used as a model), voluntary DM intake and DM and OM digestibilities increased in a linear manner, whereas ADF digestibility decreased with increasing level of grain. Crude protein and NDF digestibilities …

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Effect Of Bacterial Inoculants On The Fermentation Of Alfalfa Silages, K.K. Bolsen, D.R. Bonilla, R.A. Hart-Thakur, Matthew A. Young Jan 1996

Effect Of Bacterial Inoculants On The Fermentation Of Alfalfa Silages, K.K. Bolsen, D.R. Bonilla, R.A. Hart-Thakur, Matthew A. Young

Kansas Agricultural Experiment Station Research Reports

The efficacy of 13 commercial bacterial silage inoculants was evaluated on 3rd and 4th cutting alfalfa. All inoculants supplied at least 100,000 colony-forming units (cfu) of lactic acid bacteria (LAB) per gram of ensiled crop, and each inoculant increased the rate and efficiency of the ensiling process. Inoculated alfalfa silages had lower pH values; higher lactic acid contents; and lower acetic acid, ethanol, and ammonia-nitrogen contents than control (untreated) silages. The addition of dextrose (fermentable substrate) in combination with a bacterial inoculant improved the quality of the fermentation phase in both cuttings of alfalfa.

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Dietary Total Sulfur Amino Acid Requirement For Optimal Growth Performance And Carcass Characteristics In Finishing Gilts (1996), J A. Loughmiller, Michael D. Tokach, Evan C. Titgemeyer, I H. Kim, J R. Bergstrom, J W. Smith Ii, Robert D. Goodband, Jim L. Nelssen Jan 1996

Dietary Total Sulfur Amino Acid Requirement For Optimal Growth Performance And Carcass Characteristics In Finishing Gilts (1996), J A. Loughmiller, Michael D. Tokach, Evan C. Titgemeyer, I H. Kim, J R. Bergstrom, J W. Smith Ii, Robert D. Goodband, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

Finishing gilts (initially 163 lb) were fed .58% total lysine (.50% apparent digestible) and total sulfur amino acid (TSAA) concentrations of .26,.285, .31, .335, and .36% (.225 to .325% apparent digestible). These values represent TSAA: lysine ratios of 45, 50, 55, 60, and 65%. Results suggest a linear decrease in ADG and ADFI along with poorer F/G with increasing TSAA levels. However, gilts fed .285% TSAA (50% of lysine) had the best ADG and F/G. No effect was observed on any carcass criteria. Based on the results of this study, the TSAA requirement is not greater than .285% total (.25% …

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Evaluation Of The Total Sulfur Amino Acid Requirement Of Finishing Pigs (1996), J A. Loughmiller, J W. Smith Ii, J R. Bergstrom, Robert D. Goodband, Michael D. Tokach, Jim L. Nelssen Jan 1996

Evaluation Of The Total Sulfur Amino Acid Requirement Of Finishing Pigs (1996), J A. Loughmiller, J W. Smith Ii, J R. Bergstrom, Robert D. Goodband, Michael D. Tokach, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

Sixty four gilts (initially 120 lb) were used to evaluate the effects of increasing total sulfur amino acid (TSAA):lysine ratios on growth performance and carcass characteristics. Diets included two levels of lysine (.55% and .70% total lysine) and three TSAA:lysine ratios (60, 65, and 70% of lysine) arranged in a 2 x 3 factorial. A tendency for a lysine x TSAA interaction was observed for ADG and ADFI. Increasing TSAA:lysine ratio decreased ADG and ADFI in pigs fed .55% lysine; however, ADG and ADFI were increased in pigs fed .70% lysine and 65% TSAA:lysine. Pigs fed .70% lysine had improved …

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Determination Of Contract Base Payments To Feeder-Pig Finishers (1996), J L. Parcell, Michael R. Langemeier Jan 1996

Determination Of Contract Base Payments To Feeder-Pig Finishers (1996), J L. Parcell, Michael R. Langemeier

Kansas Agricultural Experiment Station Research Reports

Risks associated with independent feeder-pig finishing have prompted finishers to seek alternative finishing and marketing methods. A means of reducing risk has developed through contract feeder-pig finishing. Research results indicated that slightly risk-averse finishers required contract base payments ranging from $11.00 to $30.00 per head. Strongly risk-averse finishers required contract base payments ranging from $8.50 to $19.00 per head. The lower end of the ranges is for a low-profit finisher. The upper end of the ranges is for a high-profit finisher.; Swine Day, Manhattan, KS, November 21, 1996

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Dietary Lysine Requirement For Optimal Growth Performance And Carcass Characteristics Of Late Finishing Gilts (1996), J A. Loughmiller, I H. Kim, J C. Woodworth, J W. Smith Ii, J R. Bergstrom, K Hongtrakul, W B. Nessmith, R E. Musser, Jim L. Nelssen, Robert D. Goodband, Michael D. Tokach Jan 1996

Dietary Lysine Requirement For Optimal Growth Performance And Carcass Characteristics Of Late Finishing Gilts (1996), J A. Loughmiller, I H. Kim, J C. Woodworth, J W. Smith Ii, J R. Bergstrom, K Hongtrakul, W B. Nessmith, R E. Musser, Jim L. Nelssen, Robert D. Goodband, Michael D. Tokach

Kansas Agricultural Experiment Station Research Reports

In Exp. 1, increasing dietary lysine from .40% to .70% linearly improved ADG, F/G, 10th rib fat depth, and percentage lean in finishing gilts from 200 to 250 lb. Increasing dietary lysine also tended to improve longissimus muscle area. Results from Exp. 2 indicate no improvement in growth or carcass performance of gilts fed greater than .60% lysine. The combined results of Exp. 1 and 2 indicate that finishing gilts from 200 to 250 lb requires between .60% to .70% (18 to 20 g/d) dietary lysine to maximize both growth performance and carcass characteristics.; Swine Day, Manhattan, KS, November 21, …

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The Use Of Real-Time Ultrasound To Model The Growth Performance And Lysine Requirements Of Growing-Finishing Pigs On Commercial Farms (1996), J W. Smith Ii, A P. Schinckel, Michael D. Tokach, Jim L. Nelssen, Robert D. Goodband, Steven S. Dritz Jan 1996

The Use Of Real-Time Ultrasound To Model The Growth Performance And Lysine Requirements Of Growing-Finishing Pigs On Commercial Farms (1996), J W. Smith Ii, A P. Schinckel, Michael D. Tokach, Jim L. Nelssen, Robert D. Goodband, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

Eighty pigs, 40 barrows and 40 gilts, on two commercial finishing operations were used to model growth and accretion rates. Major differences were observed between the two farms. This analysis indicates that realtime ultrasound can be used to develop lean and lipid accretion curves for formulating farm-specific diets that optimize lean growth performance in commercial operations.; Swine Day, Manhattan, KS, November 21, 1996

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Effects Of Fat And Sodium Bicarbonate On Growth Performance And Stomach Morphology In Finishing Pigs (1996), S P. Sorrell, I H. Kim, Robert H. Hines, G A. Kennedy, L L. Burnham, Joe D. Hancock Jan 1996

Effects Of Fat And Sodium Bicarbonate On Growth Performance And Stomach Morphology In Finishing Pigs (1996), S P. Sorrell, I H. Kim, Robert H. Hines, G A. Kennedy, L L. Burnham, Joe D. Hancock

Kansas Agricultural Experiment Station Research Reports

Pigs fed diets with soybean oil consumed less feed; grew more efficiently; and had greater last-rib backfat thickness, keratosis, and ulceration in their stomachs than pigs fed diets without soybean oil. Pigs fed diets with NaHC03 tended to eat more feed and had numerically greater ADG, but feed/gain and carcass measurements were not affected. NaHC03 decreased ulceration scores only for pigs fed diets without added fat.; Swine Day, Manhattan, KS, November 21, 1996

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Effect Of Dietary L-Carnitine On Growth, Carcass Characteristics, And Metabolism Of Swine (1996), K Q. Owen, H Ji, C V. Maxwell, G C. Tremblay, S I. Koo, S A. Blum, Jim L. Nelssen, Robert D. Goodband, Michael D. Tokach Jan 1996

Effect Of Dietary L-Carnitine On Growth, Carcass Characteristics, And Metabolism Of Swine (1996), K Q. Owen, H Ji, C V. Maxwell, G C. Tremblay, S I. Koo, S A. Blum, Jim L. Nelssen, Robert D. Goodband, Michael D. Tokach

Kansas Agricultural Experiment Station Research Reports

Thirty six Yorkshire gilts (initially 123 lb BW) were used to investigate the effect of dietary carnitine on growth performance, carcass characteristics, fatty acid oxidation, and enzyme kinetics. Dietary carnitine reduced fat deposition in favor of protein deposition, stimulated fatty acid oxidation, induced the expression of pyruvate carboxylase, increased the capacity of pyruvate carboxylase flux, and decreased the capacity of branch chain keto-dehydrogenase.; Swine Day, Manhattan, KS, November 21, 1996

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Removing Vitamin And Trace Mineral Premixes From Finisher Diets (154 To 247 Lb) Did Not Affect Growth Performance, Carcass Characteristics, Or Meat Quality (1996), I H. Kim, J H. Lee, J S. Park, Donald H. Kropf, S L. Johnston, P Sorrell, Robert H. Hines, Joe D. Hancock Jan 1996

Removing Vitamin And Trace Mineral Premixes From Finisher Diets (154 To 247 Lb) Did Not Affect Growth Performance, Carcass Characteristics, Or Meat Quality (1996), I H. Kim, J H. Lee, J S. Park, Donald H. Kropf, S L. Johnston, P Sorrell, Robert H. Hines, Joe D. Hancock

Kansas Agricultural Experiment Station Research Reports

Average daily gain; ADFI; F/G; dressing percentage; tenth rib fat thickness and depth; and color, firmness, and marbling of the longissimus muscle were not influenced by omitting the vitamin and(or) trace mineral premixes from diets during finishing (154 to 247 lb). Thus, omitting vitamin and trace mineral premixes can decrease diet costs without decreasing performance or meat quality of high-lean pigs.; Swine Day, Manhattan, KS, November 21, 1996

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Omitting Vitamin And Trace Mineral Premixes, And(Or) Reducing Inorganic Phosphorus During Late Finishing Did Not Affect Growth Performance, Carcass Traits, Or Muscle Quality (1996), I Mavromichalis, Donald H. Kropf, G A. Kennedy, Robert H. Hines, B W. Senne, I H. Kim, S L. Johnston, Joe D. Hancock Jan 1996

Omitting Vitamin And Trace Mineral Premixes, And(Or) Reducing Inorganic Phosphorus During Late Finishing Did Not Affect Growth Performance, Carcass Traits, Or Muscle Quality (1996), I Mavromichalis, Donald H. Kropf, G A. Kennedy, Robert H. Hines, B W. Senne, I H. Kim, S L. Johnston, Joe D. Hancock

Kansas Agricultural Experiment Station Research Reports

Omitting the vitamin and trace mineral premixes and(or) adding 2/3 less supplemental inorganic phosphorus source (from .55% down to .40% total P) to diets during late finishing (191 to 265 lb) had no effect on growth performance, carcass characteristics, or muscle quality in high-lean pigs. Thus, this concept can be used to decrease the cost of feeding terminal-cross pigs to heavy weights, while decreasing excretion of minerals from intensive swine operations.; Swine Day, Manhattan, KS, November 21, 1996

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Examination Of Pork Marketing Margins (1996), Ted C. Schroeder, J Mintert Jan 1996

Examination Of Pork Marketing Margins (1996), Ted C. Schroeder, J Mintert

Kansas Agricultural Experiment Station Research Reports

This study analyzes recent changes observed in pork, farm-to-wholesale and wholesale-to-retail, marketing margins. Although the inflation-adjusted, farm-to-wholesale margin has declined over the last 25 years, the wholesale-to-retail margin has increased. Pork producers need to know why these trends have occurred so they better understand pork marketing margin determinants as they develop policy positions and consider vertical marketing alliances.; Swine Day, Manhattan, KS, November 21, 1996

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Explaining Differences In Efficiency Among Farrow-To-Finish Producers (1996), W W. Rowland, Michael R. Langemeier, Allen M. Featherstone, Bryan W. Schurle Jan 1996

Explaining Differences In Efficiency Among Farrow-To-Finish Producers (1996), W W. Rowland, Michael R. Langemeier, Allen M. Featherstone, Bryan W. Schurle

Kansas Agricultural Experiment Station Research Reports

To remain competitive, hog operations will need to continue to improve production efficiency and manage costs. Kansas Farm Management Association data from 1992 to 1994 were used to measure technical, economic, and overall efficiency for 43 farrow-to-finish operations in Kansas. On average, the farms had .89 technical, .75 economic, and .67 overall efficiencies. Efficiency was related positively to the number of litters produced and pounds of pork produced per litter. Efficiency was related negatively to percentage of labor hired, feed conversion rates, and capital investment per litter. Pounds of pork produced per litter and feed conversion had the largest impacts …

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Effects Of Expanders (High Shear Conditioning) On Growth Performance In Finishing Pigs (1996), S L. Johnston, S L. Traylor, Robert H. Hines, S P. Sorrell, I H. Kim, G A. Kennedy, Joe D. Hancock, Keith C. Behnke Jan 1996

Effects Of Expanders (High Shear Conditioning) On Growth Performance In Finishing Pigs (1996), S L. Johnston, S L. Traylor, Robert H. Hines, S P. Sorrell, I H. Kim, G A. Kennedy, Joe D. Hancock, Keith C. Behnke

Kansas Agricultural Experiment Station Research Reports

Diets that had been processed using standard, long-term, and expander (high shear) conditioning tended to support greater ADG than an unconditioned meal control diet. Pelleting was necessary to maximize efficiency of growth, but only with standard and long-term conditioning. Indeed, the best efficiencies of gain were for pigs fed the expander processed diets, with no additional benefits from pelleting the expanded mash.; Swine Day, Manhattan, KS, November 21, 1996

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Dietary Lysine Requirement For Optimal Growth Performance And Carcass Characteristics Of Late Finishing Gilts (1996), J A. Loughmiller, I H. Kim, J C. Woodworth, J W. Smith Ii, J R. Bergstrom, K Hongtrakul, W B. Nessmith, R E. Musser, Jim L. Nelssen, Robert D. Goodband, Michael D. Tokach Jan 1996

Dietary Lysine Requirement For Optimal Growth Performance And Carcass Characteristics Of Late Finishing Gilts (1996), J A. Loughmiller, I H. Kim, J C. Woodworth, J W. Smith Ii, J R. Bergstrom, K Hongtrakul, W B. Nessmith, R E. Musser, Jim L. Nelssen, Robert D. Goodband, Michael D. Tokach

Kansas Agricultural Experiment Station Research Reports

In Exp. 1, increasing dietary lysine from .40% to .70% linearly improved ADG, F/G, 10th rib fat depth, and percentage lean in finishing gilts from 200 to 250 lb. Increasing dietary lysine also tended to improve longissimus muscle area. Results from Exp. 2 indicate no improvement in growth or carcass performance of gilts fed greater than .60% lysine. The combined results of Exp. 1 and 2 indicate that finishing gilts from 200 to 250 lb requires between .60% to .70% (18 to 20 g/d) dietary lysine to maximize both growth performance and carcass characteristics.; Swine Day, Manhattan, KS, November 21, …

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The Use Of Real-Time Ultrasound To Model The Growth Performance And Lysine Requirements Of Growing-Finishing Pigs On Commercial Farms (1996), J W. Smith Ii, A P. Schinckel, Michael D. Tokach, Jim L. Nelssen, Robert D. Goodband, Steven S. Dritz Jan 1996

The Use Of Real-Time Ultrasound To Model The Growth Performance And Lysine Requirements Of Growing-Finishing Pigs On Commercial Farms (1996), J W. Smith Ii, A P. Schinckel, Michael D. Tokach, Jim L. Nelssen, Robert D. Goodband, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

Eighty pigs, 40 barrows and 40 gilts, on two commercial finishing operations were used to model growth and accretion rates. Major differences were observed between the two farms. This analysis indicates that real-time ultrasound can be used to develop lean and lipid accretion curves for formulating farm-specific diets that optimize lean growth performance in commercial operations; Swine Day, Manhattan, KS, November 21, 1996

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Removing Vitamin And Trace Mineral Premixes From Finisher Diets (154 To 247 Lb) Did Not Affect Growth Performance, Carcass Characteristics, Or Meat Quality (1996), I H. Kim, J H. Lee, J S. Park, Donald H. Kropf, S L. Johnston, P Sorrell, Robert H. Hines, Joe D. Hancock Jan 1996

Removing Vitamin And Trace Mineral Premixes From Finisher Diets (154 To 247 Lb) Did Not Affect Growth Performance, Carcass Characteristics, Or Meat Quality (1996), I H. Kim, J H. Lee, J S. Park, Donald H. Kropf, S L. Johnston, P Sorrell, Robert H. Hines, Joe D. Hancock

Kansas Agricultural Experiment Station Research Reports

Average daily gain; ADFI; F/G; dressing percentage; tenth rib fat thickness and depth; and color, firmness, and marbling of the longissimus muscle were not influenced by omitting the vitamin and(or) trace mineral premixes from diets during finishing (154 to 247 lb). Thus, omitting vitamin and trace mineral premixes can decrease diet costs without decreasing performance or meat quality of high-lean pigs.; Swine Day, Manhattan, KS, November 21, 1996

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Omitting Vitamin And Trace Mineral Premixes, And(Or) Reducing Inorganic Phosphorus During Late Finishing Did Not Affect Growth Performance, Carcass Traits, Or Muscle Quality (1996), I Mavromichalis, Donald H. Kropf, G A. Kennedy, Robert H. Hines, B W. Senne, I H. Kim, S L. Johnson, Joe D. Hancock Jan 1996

Omitting Vitamin And Trace Mineral Premixes, And(Or) Reducing Inorganic Phosphorus During Late Finishing Did Not Affect Growth Performance, Carcass Traits, Or Muscle Quality (1996), I Mavromichalis, Donald H. Kropf, G A. Kennedy, Robert H. Hines, B W. Senne, I H. Kim, S L. Johnson, Joe D. Hancock

Kansas Agricultural Experiment Station Research Reports

Omitting the vitamin and trace mineralpremixes and(or) adding 2/3 less supplementalinorganic phosphorus source (from .55% down to .40% total P) to diets during late finishing (191 to 265 lb) had no effect ongrowth performance, carcass characteristics, or muscle quality in high-lean pigs. Thus, this concept can be used to decrease the cost of feeding terminal-cross pigs to heavy weights, while decreasing excretion of minerals from intensive swine operations.; Swine Day, Manhattan, KS, November 21, 1996

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Effects Of Antibiotics On Shedding Of Salmonella Typhimurium In Experimentally Inoculated Pigs (1996), D R. Hyatt, J C. Galland, Jerome C. Nietfeld, C Irwin, C Davison, Steven S. Dritz Jan 1996

Effects Of Antibiotics On Shedding Of Salmonella Typhimurium In Experimentally Inoculated Pigs (1996), D R. Hyatt, J C. Galland, Jerome C. Nietfeld, C Irwin, C Davison, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

The objective of this experiment was to determine if antibiotics used as feed additives and disease treatment for livestock affect duration of shedding and colonization of tissues with Salmonella typhimurium in pigs. No statistically significant difference was detected in duration or amount of shedding of S. typhimurium between pigs receiving antibiotics and control pigs. Antibiotics prevented colonization of tissues by S. typhimurium. The odds (OR= .02) of isolating S. typhimurium in at least one of four tissues examined were significantly less from pigs treated with antibiotics than from control pigs (two-tailed Fisher exact test, P= .009).; Swine Day, Manhattan, KS, …

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Effects Of High Oil Corn And Fat Level On Growth Performance Of Nursery Pigs (1996), J R. Bergstrom, C J. Samland, Jim L. Nelssen, Michael D. Tokach, Robert D. Goodband Jan 1996

Effects Of High Oil Corn And Fat Level On Growth Performance Of Nursery Pigs (1996), J R. Bergstrom, C J. Samland, Jim L. Nelssen, Michael D. Tokach, Robert D. Goodband

Kansas Agricultural Experiment Station Research Reports

Two studies were conducted to evaluate the effects of adding high oil corn to nursery diets as compared to other sources of fat. The results of both studies suggest that addition of fat to the nursery pig diet, regardless of the source, has no significant influence on growth performance until late in the nursery phase.; Swine Day, Manhattan, KS, November 21, 1996

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Performance Of Weanling Pigs Fed Diets Containing Various Lactose Sources (1996), P R. O'Quinn, J R. Bergstrom, J A. Loughmiller, R E. Musser, W B. Nessmith Jr, Robert D. Goodband, Jim L. Nelssen, Michael D. Tokach Jan 1996

Performance Of Weanling Pigs Fed Diets Containing Various Lactose Sources (1996), P R. O'Quinn, J R. Bergstrom, J A. Loughmiller, R E. Musser, W B. Nessmith Jr, Robert D. Goodband, Jim L. Nelssen, Michael D. Tokach

Kansas Agricultural Experiment Station Research Reports

Two growth trials were conducted to evaluate the effects of replacing the lactose provided by dried whey in the phase II diet with either deproteinized whey or an alternative lactose source, DairyLac 80®. No differences in performance observed among pigs fed diets containing 10% dried whey or deproteinized whey or DairyLac 80®. These trials indicate that deproteinized whey and DairyLac 80® can be used to replace the lactose contained in dried whey for starter pig diets.; Swine Day, Manhattan, KS, November 21, 1996

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Evaluation Of Spray-Dried Cheese Food As A Supplemental Protein Source For Weanling Pigs (1996), J A. Loughmiller, P S. Graf, J R. Bergstrom, R E. Muser, Jim L. Nelssen, Robert D. Goodband, Michael D. Tokach, Steven S. Dritz Jan 1996

Evaluation Of Spray-Dried Cheese Food As A Supplemental Protein Source For Weanling Pigs (1996), J A. Loughmiller, P S. Graf, J R. Bergstrom, R E. Muser, Jim L. Nelssen, Robert D. Goodband, Michael D. Tokach, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A growth study was conducted to determine the effects of substituting spray-dried cheese food for spray-dried plasma protein on weanling pig performance. Five dietary treatments included the control diet or diets with cheese food replacing 25, 50, 75, and 100% of the plasma on an equal lysine basis. Day 0 to 14 ADG and ADFI were decreased linearly as spray-dried cheese food increased. However, this decrease was most apparent when cheese food was included at more than 4% of the diet. No effects of cheese food inclusion were seen for F/G from d 0 to 14 postweaning or for growth …

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Determining The Optimal Isoleucine:Lysine Ratio For The 25 To 50 Lb Pig (1996), J R. Bergstrom, J A. Loughmiller, R E. Musser, W B. Nessmith Jr, Jim L. Nelssen, Michael D. Tokach, Robert D. Goodband, Steven S. Dritz Jan 1996

Determining The Optimal Isoleucine:Lysine Ratio For The 25 To 50 Lb Pig (1996), J R. Bergstrom, J A. Loughmiller, R E. Musser, W B. Nessmith Jr, Jim L. Nelssen, Michael D. Tokach, Robert D. Goodband, Steven S. Dritz

Kansas Agricultural Experiment Station Research Reports

A 21-day growth trial was conducted to determine the isoleucine: lysine ratio necessary to optimize growth performance of the 25 to 50 lb nursery pig reared in a segregated early-weaning (SEW) system. Ten experimental diets, including two levels of lysine (.75% and 1.10% digestible lysine) and five apparent digestible isoleucine:lysine ratios (45, 50, 55, 60, and 65%), were used in a 2 x 5 factorial arrangement. Growth performance was improved by feeding 1.10% rather than .75% digestible lysine. Also, results indicated that the apparent digestible isoleucine requirement for the SEW-reared, 25 to 50 lb pig is approximately .50% of digestible …

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