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Kansas Agricultural Experiment Station Research Reports

1984

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Articles 1 - 30 of 74

Full-Text Articles in Life Sciences

Effect Of Particle Size And Surface Area Of Corn On Pig Performance And Nutrient Digestibility (1984), Jih-Fang Wu, G L. Allee Jan 1984

Effect Of Particle Size And Surface Area Of Corn On Pig Performance And Nutrient Digestibility (1984), Jih-Fang Wu, G L. Allee

Kansas Agricultural Experiment Station Research Reports

Two feeding trials and two digestion trials were conducted to evaluate the effects of particle size and surface area of corn on the performance and nutrient digestibility of weaning and finishing pigs. The effects of particle size on production rate and grinding efficiency also were evaluated. Production rate and grinding efficiency decreased as particle size decreased. Average daily gain was not influenced by particle size. Feed intake tended to decrease as particle size decreased with the lowest feed intake on the fine partice size diet. Feed efficiency tended to improve as particle size decreased. The incidence of ulceration in the …

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Digestibility Of Fat Sources By Growing Pigs (1984), De-Fa Li, G L. Allee Jan 1984

Digestibility Of Fat Sources By Growing Pigs (1984), De-Fa Li, G L. Allee

Kansas Agricultural Experiment Station Research Reports

A digestion trial was conducted with 12 crossbred barrows averaging 48 lb to evaluate the digestibility of various fat sources. Fat sources evaluated were soybean oil, a 85% dry fat product composed of animal and vegetable fat, and a 80% dry fat product made by encapsulating choice white grease with casein. The control diet was a 18% crude protein corn-soybean meal diet with 10% cornstarch. Fat sources were added to the basal diet at the expense of cornstarch to supply 8% added fat. A crossover design was used with three pigs per diet in each of two periods. Digestibility of …

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Comparison Of Feeding Systems For Finishing Swine (1984), J Vargas Vargas, Robert H. Hines Jan 1984

Comparison Of Feeding Systems For Finishing Swine (1984), J Vargas Vargas, Robert H. Hines

Kansas Agricultural Experiment Station Research Reports

Two feeding trials using 240 finishing pigs were conducted to evaluate meal feeding and ad libitum dry and wet feeding. Growth rate was significantly improved by wet feeding in trial 1. Overall, a 5% improvement in growth rate occurred by wet feeding in both trials when compared with meal-feeding or ad libitum dry feeding. Feed efficiency was similar for pigs fed meals, and ad libitum dry or wet diets.; Swine Day, Manhattan, KS, November 15, 1984

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Effect Of Reduced Nighttime Temperature On Nursery Pig Performance (1984), David A. Nichols, Frank Blecha, M Johnston, Robert H. Hines Jan 1984

Effect Of Reduced Nighttime Temperature On Nursery Pig Performance (1984), David A. Nichols, Frank Blecha, M Johnston, Robert H. Hines

Kansas Agricultural Experiment Station Research Reports

A total of 144 weaned pigs were used to evaluate the effect of reduced nighttime temperatures on pig performance. No differences were observed in average daily feed intake, daily gain, or feed efficiency regardless of temperature treatment. These results indicate that constant high temperature may not be required for nursery pigs.; Swine Day, Manhattan, KS, November 15, 1984

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Lecithin Addition To Starter Pig Diets With And Without Added Fat And Whey (1984), D M. Van Wormer, D S. Pollmann Jan 1984

Lecithin Addition To Starter Pig Diets With And Without Added Fat And Whey (1984), D M. Van Wormer, D S. Pollmann

Kansas Agricultural Experiment Station Research Reports

A total of 316 crossbred weanling pigs were used in two studies to evaluate the effect of the addition of edible-grade, unbleached soy lecithin on growth in starter pig diets with and without added fat and/or dried whey. Addition of fat to a corn-soybean meal diet improved (P<.05) feed efficiency but addition of lecithin did not affect performance. When lecithin and fat were added in combination, average daily gain was less (P<.05) than for diets without added fat. This may be due to a high level of undigestible fat having a limiting effect on intake and consequently decreasing gains. A low level of lecithin (1.5%) in diets without whey gave approximately the same response as a 4% fat diet without whey thus making lecithin a possible fat substitute should, it be economically feasible.; Swine Day, Manhattan, KS, November 15, 1984

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Methionine Addition To Weanling Pig Diets (1984), Tze-Chow Ong, G L. Allee Jan 1984

Methionine Addition To Weanling Pig Diets (1984), Tze-Chow Ong, G L. Allee

Kansas Agricultural Experiment Station Research Reports

Three growth trials and two metabolism trials utilizing 236 pigs were conducted to evaluate the effects of amino acids additions to weanling pig diets and to estimate the methionine requirement of weanling pigs using growth and nitrogen retention as criteria. From these results, it was concluded that the total sulfur amino acid requirement of weanling pigs does not exceed 0.56% of the diet. Addition of methionine to a lysine supplemented 18% protein corn or sorghum-soybean meal did not improve pig performance.; Swine Day, Manhattan, KS, November 15, 1984

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Lecithin Addition To Starter Pig Diets With And Without Added Fat And Whey (1984), D Van Wormer, D S. Pollmann Jan 1984

Lecithin Addition To Starter Pig Diets With And Without Added Fat And Whey (1984), D Van Wormer, D S. Pollmann

Kansas Agricultural Experiment Station Research Reports

A total of 316 crossbred weanling pigs were used in two studies to evaluate the effect of the addition of edible-grade, unbleached soy lecithin on growth in starter pig diets with and without added fat and/or dried whey. Addition of fat to a corn-soybean meal diet improved (P<.05) feed efficiency but addition of lecithin did not affect performance. When lecithin and fat were added in combination, average daily gain was less (P<.05) than for diets without added fat. This may be due to a high level of undigestible fat having a limiting effect on intake and consequently decreasing gains. A low level of lecithin (1.5%) in diets without whey gave approximately the same response as a 4% fat diet without thus making lecithin a possible fat substitute should, it be economically feasible.; Swine Day, Manhattan, KS, November 15, 1984

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Effects Of Source And Level Of Supplemental Energy On Reproductive Performance Of Sows (1984), S Christianson, G L. Allee, D S. Pollmann, Jim L. Nelssen Jan 1984

Effects Of Source And Level Of Supplemental Energy On Reproductive Performance Of Sows (1984), S Christianson, G L. Allee, D S. Pollmann, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

Three feeding trials utilizing 185 sows (149 primiparous and 36 multiparous) were conducted to evaluate the effects of feeding various levels and sources of supplemental energy during lactation and from weaning to rebreeding on sow reproductive performance. Sows fed tallow (5% or 10%) during lactation had reproductive performance similar to sows fed the basal milo-soybean meal diet. Ad libitum feed intake was not affected by the addition of tallow for either the last week of lactation or for the entire three week lactation. However, daily digestible energy (DE) intake was increased with the addition of tallow to diets. Survival rate …

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Digestibility Of Fat Sources By Sows (1984), S Christianson, G L. Allee, D S. Pollmann Jan 1984

Digestibility Of Fat Sources By Sows (1984), S Christianson, G L. Allee, D S. Pollmann

Kansas Agricultural Experiment Station Research Reports

Twelve crossbred sows averaging 337 lb were used to determine apparent nutrient digestibility of three fat sources. Fat sources evaluated were soybean oil, a 85% dry-fat product composed of animal and vegetable fat, and a 80% dry- fat product made with casein encapsulated choice white grease. The control diet was a 13.0% crude protein corn-soybean diet with 8% cornstarch. Fat sources were added to the control diet to supply 8% added fat. The 12 sows were used in a crossover design, with three sows per diet in each of two periods. Each period consisted of a 5-day adjustment and a …

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Cellular Immune Responses In Artificially Reared Pigs (1984), Frank Blecha, D S. Pollmann, E F. Kluber Iii Jan 1984

Cellular Immune Responses In Artificially Reared Pigs (1984), Frank Blecha, D S. Pollmann, E F. Kluber Iii

Kansas Agricultural Experiment Station Research Reports

An experiment was conducted to determine the influence of artificial rearing on the cellular immune response of young pigs. Artificially reared pigs had lower cellular immune reactivity than sow-reared controls. These results indicate that artificial rearing may result in immunosuppression in young pigs.; Swine Day, Manhattan, KS, November 15, 1984

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Fat In Late Gestation Sow Diets: Effects On Pig Survival And Growth (1984), G L. Allee, George A. Milliken, Jim L. Nelssen Jan 1984

Fat In Late Gestation Sow Diets: Effects On Pig Survival And Growth (1984), G L. Allee, George A. Milliken, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

An on-farm experiment was conducted utilizing 140 sows to compare the effect of feeding either fat or additional corn during late gestation on subsequent pig performance. Beginning on day 100 of gestation and until the day of farrowing, sows were fed 6 lb daily of a corn-soybean meal diet top-dressed with either 1 lb of fat or 2.25 lb of corn. Litter size was equalized within 24 hr of farrowing. Feeding fat to sows during late gestation increased (P<.05) the number of pigs weaned per litter by .4 pig compared to feeding additional corn. Sows fed supplemental fat during late gestation weaned heavier litters (P=.06) compared to sows fed extra corn. These results indicate that feeding fat during late gestation to sows with a high energy intake increased pig survival over that obtained when the same calories were provided with corn.; Swine Day, Manhattan, KS, November 15, 1984

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Successful Induction Of Estrus During Lactation For Sows Separated From Their Litters (1984), Jeffrey S. Stevenson, Duane L. Davis Jan 1984

Successful Induction Of Estrus During Lactation For Sows Separated From Their Litters (1984), Jeffrey S. Stevenson, Duane L. Davis

Kansas Agricultural Experiment Station Research Reports

Our objective was to determine the effectiveness of inducing estrus during lactation by temporarily separating the litter from the sow during the last week of lactation. Lactating sows were removed daily from their litters for either 1) 3 hr /day (n=20), 2) 6 hr /day (n=39), or 3) 12 hr /day (n=10) during the last 8 days of lactation and exposed to an intact boar for at least 1 hr during the separation period. Litters were weaned from control sows at either 2 (n=13) or 4 (n=15) weeks for comparison of intervals to estrus following complete weaning or temporary separation. …

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Effects Of Exposure To Boars And Other Gilts On The Estrous Response After Synchronization With Altrenogest (1984), Duane L. Davis, Jeffrey S. Stevenson Jan 1984

Effects Of Exposure To Boars And Other Gilts On The Estrous Response After Synchronization With Altrenogest (1984), Duane L. Davis, Jeffrey S. Stevenson

Kansas Agricultural Experiment Station Research Reports

Estrus was synchronized in gilts by feeding altrenogest for 18 days. All gilts were penned in gestation stalls. Beginning the day before the last altrenogest treatment and continuing until 3 days after treatment, gilts were either exposed to a boar for 2 hr /day, group-penned with other gilts for 2 hr /day, both exposed to a boar and group-penned, or given neither treatment. Boar exposure shortened the interval to estrus but group-penning had no effect. None of the treatments improved the synchrony of estrus.; Swine Day, Manhattan, KS, November 15, 1984

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Interactions Of Copper, Selenium, And Vitamin E For Weanling Swine (1984), A J. Thulin, D S. Pollmann, Frank Blecha, G A. Kennedy, P Whetter, G L. Allee Jan 1984

Interactions Of Copper, Selenium, And Vitamin E For Weanling Swine (1984), A J. Thulin, D S. Pollmann, Frank Blecha, G A. Kennedy, P Whetter, G L. Allee

Kansas Agricultural Experiment Station Research Reports

One-hundred and sixty pigs were utilized to evaluate possible interactions between copper (Cu), selenium (Se), and vitamin E (E) on growth and immunity of starter pigs. Copper (260 ppm) added to the diet did not effect Se and/or E utilization for growth, feed efficiency (FE), or immunity. However, addition of 260 ppm of Cu to the diets of starter pigs resulted in an 8% improvement in feed intake (FI) and a 13% improvement in average daily gain (ADG) for the first 2 wk on test. There was no effect on performance due to E additions. However, addition of .3 ppm …

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Performance Of Young Pigs Fed Sorghum Grain Damaged By Lesser Grain Borer Or Fungal Invasion (1984), J C. Dietz, Keith C. Behnke, C W. Deyoe, G L. Allee Jan 1984

Performance Of Young Pigs Fed Sorghum Grain Damaged By Lesser Grain Borer Or Fungal Invasion (1984), J C. Dietz, Keith C. Behnke, C W. Deyoe, G L. Allee

Kansas Agricultural Experiment Station Research Reports

Nutritional quality and physical conditions were used to evaluate grain sorghum damaged by either the lesser grain borer Rhyzopertha dominica (F.) or by nontoxin-producing fungi. Experimental treatments were: 1) control 04.0% moisture), 2) lesser grain borer (LGB) (14% moisture with initial infestation of 4.5 adults/lb of grain) and 3) fungal (Fungal) (15.5% moisture). Control grain was used to formulate a 17% crude protein diet. The remaining dietary treatments were formulated by replacing the control grain with the two damaged grains on a weight basis. Forty-five female Yorkshire and 12 crossbred male pigs, with an average initial weight of 22 lb …

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Effect Of Bacillus Subtilus On Sow And Baby Pig Performance And Bacterial Populations (1984), R R. Laforge, D S. Pollmann Jan 1984

Effect Of Bacillus Subtilus On Sow And Baby Pig Performance And Bacterial Populations (1984), R R. Laforge, D S. Pollmann

Kansas Agricultural Experiment Station Research Reports

A Bacillus subtilus probiotic was tested using a total of 52 sows and 516 baby pigs to determine the effect on enteric colibacillosis control and on host bacterial population. The probiotic did not affect sow or baby pig performance nor influence host bacterial populations of the digestive tract.; Swine Day, Manhattan, KS, November 15, 1984

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Creep Feeding And Phytohemagglutinin Skin-Test Responses In Pigs (1984), Frank Blecha, D S. Pollmann, D M. Vanwormer Jan 1984

Creep Feeding And Phytohemagglutinin Skin-Test Responses In Pigs (1984), Frank Blecha, D S. Pollmann, D M. Vanwormer

Kansas Agricultural Experiment Station Research Reports

An experiment was conducted to determine the influence of creep feeding on cellular immunity in young pigs. Creep feeding from 10 days of age to weaning did not influence phytohemagglutinin skin-test responses.; Swine Day, Manhattan, KS, November 15, 1984

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Altrenogest And Fat For Summer Breeding Of First-Litter Sows (1984), Jeffrey S. Stevenson, Duane L. Davis, D S. Pollmann Jan 1984

Altrenogest And Fat For Summer Breeding Of First-Litter Sows (1984), Jeffrey S. Stevenson, Duane L. Davis, D S. Pollmann

Kansas Agricultural Experiment Station Research Reports

Crossbred first-Iitter sows in a commercial swine unit were assigned to serve as controls after summer weanings or were fed altrenogest for 7 days or altrenogest for 7 days plus supplemental fat for 14 days after weaning. While similar proportions of sows came into heat after weaning, sows fed altrenogest returned to estrus about 9 days later than control sows. Incidence of anestrus was similar across sow groups (31%), while most of the sows not detected in heat could be classified by cause after examining serum progesterone concentrations at 3 wk after weaning. Nearly 69 % of the sows not …

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Litter Size In Gilts After Altrenogest And Flushing (1984), Duane L. Davis, Jeffrey S. Stevenson, D S. Pollmann, G L. Allee Jan 1984

Litter Size In Gilts After Altrenogest And Flushing (1984), Duane L. Davis, Jeffrey S. Stevenson, D S. Pollmann, G L. Allee

Kansas Agricultural Experiment Station Research Reports

Effects of estrous synchronization and flushing on litter size in gilts were compared on two farms. Estrus in gilts was synchronized with altrenogest for 14 days or estrous cycles were left unaltered (control group). One-half of the synchronized gilts were flushed by feeding supplemental ground milo (3.4 lb) in addition to 4 lb of a basal milo-soybean meal diet that all gilts received. Additional milo was provided from day 8 of altrenogest treatment until the first day of estrus. Response on the two farms differed. Altrenogest-treated gilts from one farm farrowed about one more pig than controls, regardless of whether …

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Limiting Amino Acids In Sorghum Grain Protein For Adult Female Swine (1984), A J. Thulin, G L. Allee, D S. Pollman Jan 1984

Limiting Amino Acids In Sorghum Grain Protein For Adult Female Swine (1984), A J. Thulin, G L. Allee, D S. Pollman

Kansas Agricultural Experiment Station Research Reports

Two 4 x 4 Latin square designs were used with 16 gilts at 10 mo of age and weighing 341 lb (gravid) and 301 lb (nongravid) to determine the limiting nitrogenous factors in sorghum grain protein for adult gravid (70th day postcoitum) and nongravid swine. Supplementation of the fortified sorghum grain diet with lysine increased (P<.05) nitrogen retention in both nongravid and gravid gilts. A further addition of threonine also increased (P>.05) nitrogen retention in both nongravid and gravid gilts. However, addition of both lysine and threonine to the sorghum diet failed to result in nitrogen retention equal to that observed for the control diet. Percentage of nitrogen digested was higher (P<.05) for the control diet than for the basal diet or the two diets with lysine and threonine added. Blood urea nitrogen was reduced (P<.05) when lysine was added to the basal diet with an additional reduction when threonine also was added to the diet. However, the control diet caused higher blood urea values when compared to both supplemented diets. These results suggest that another amino acid may be limiting in the sorghum grain diet supplemented with both lysine and threonine. These data and other published data demonstrate that lysine and threonine are the first and second limiting amino acids in sorghum grain for adult gravid and nongravid swine.; Swine Day, Manhattan, KS, November 15, 1984

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Effect Of Insecticide Impregnated Ear Tags On Horn Fly Populations And Suckling Calf Performance, D. Simms, T. Willman, R. Schalles Jan 1984

Effect Of Insecticide Impregnated Ear Tags On Horn Fly Populations And Suckling Calf Performance, D. Simms, T. Willman, R. Schalles

Kansas Agricultural Experiment Station Research Reports

Three trials were conducted to determine the effect of insecticide impregnated ear tags on horn fly counts and weight gain of suckling calves. In trials 1 and 2, cow calf pairs on two Kansas ranches were assigned to these treatments: 1) Control - no tag, 2) Cows Only - 1 tag per cow, 3) Calf Only - 1 tag per calf, and 4) Cow and Calf - 1 tag each. Each tag treatment was in a separate pasture. All insecticide tag treatments reduced (P<.05) horn flies on cows and calves in July and August; however, by September the tags were only reducing (P<.05) flies on cows. While the weight gain response to tags was variable, when trials were combined, all tag treatments increased (P<.05) calf gains over controls. Using a single tag per cow was better (P<.05) than a single tag per calf, while tagging both the cow and calf was no better than either single tag treatment. Average fly counts for each pasture were negatively correlated with calf weight gains indicating a strong relationship between fly populations and calf performance. In trial 3, apparent horn fly resistance to the insecticide in the tags resulted in terminating the trial mid-summer. Research in Kansas and other states indicates that horn fly resistance to pyrethroid insecticides is becoming a common problem which means that producers may need to revert to previously used methods of horn fly control.

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Effect Of Oxytetracycline Hydrochloride Coating Added To Compudose Implants In Grazing Steers, Lyle W. Lomas Jan 1984

Effect Of Oxytetracycline Hydrochloride Coating Added To Compudose Implants In Grazing Steers, Lyle W. Lomas

Kansas Agricultural Experiment Station Research Reports

Adding an oxytetracycline coating to Compudose implants did not change their effectiveness. Implanting with Compudose significantly increased gain of grazing steers an average of 17% compared to non-implanted controls.

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Effects Of Low Voltage Electrical Stimulation During Bleeding And Hot Boning On Beef Loin Eye And Top Round Muscles, J.B. Axe, Melvin C. Hunt, Donald H. Kropf, D.G. Gray, Curtis L. Kastner, Michael E. Dikeman Jan 1984

Effects Of Low Voltage Electrical Stimulation During Bleeding And Hot Boning On Beef Loin Eye And Top Round Muscles, J.B. Axe, Melvin C. Hunt, Donald H. Kropf, D.G. Gray, Curtis L. Kastner, Michael E. Dikeman

Kansas Agricultural Experiment Station Research Reports

Our study evaluated the effects of low voltage electrical stimulation (ES) during bleeding and hot boning at 1 hr postmortem on loin eye (LE) and top round (TR) muscles. Possibly because of relatively slow initial chilling rate used in our study, hot-boned (HB) muscles, even without ES, were comparable to conventionally chilled and boned counterparts. In fact, coupling ES with HB proved less desirable than HB only.

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Kansas Steer Futurities - The Record On Retained Ownership 1974-1983, C. Lambert, D. Simms, B. Schalles, L. Corah, Gerry L. Kuhl, M. Sands Jan 1984

Kansas Steer Futurities - The Record On Retained Ownership 1974-1983, C. Lambert, D. Simms, B. Schalles, L. Corah, Gerry L. Kuhl, M. Sands

Kansas Agricultural Experiment Station Research Reports

Spring born steer calves, weaned and delivered to custom feedlots by Kansas producers, were fed to slaughter weight. Gain and carcass information was gathered on over 5,000 head fed in 53 separate tests since the fall of 1974. Retaining ownership of steers through the feedlot phase has been profitable for producers in six of the last nine years, and in only two years have losses been large. Those same calves, if sold at weaning, would have been profitable in only three of the last nine years, using Kansas Farm Management Association average costs of production. The cattle averaged 59 percent …

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Effects Of Low Voltage Electrical Stimulation On Quality Characteristics Of Young Bulls Fed To 14, 16 And 18 Months Of Age., D.G. Gray, John A. Unruh, Curtis L. Kastner, Michael E. Dikeman Jan 1984

Effects Of Low Voltage Electrical Stimulation On Quality Characteristics Of Young Bulls Fed To 14, 16 And 18 Months Of Age., D.G. Gray, John A. Unruh, Curtis L. Kastner, Michael E. Dikeman

Kansas Agricultural Experiment Station Research Reports

Low voltage electrical stimulation of young bulls at 30 to 45 min after bleeding resulted in a lower muscle pH, higher marbling score, lighter cherry red color and reduced incidence of heat ring formation when compared to non-stimulated controls. Ribeye steaks from electrically stimulated sides were more tender than non-stimulated controls, but bottom round steaks were not different. Our results indicate that low voltage electrical stimulation, incorporated into a continuous slaughter operation as late as 30 to 45 min after bleeding, can improve USDA quality characteristics and tenderness of meat from young bulls.

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Medication Programs For Newly Received Calves, D. Axe, M. Spire, Jack G. Riley Jan 1984

Medication Programs For Newly Received Calves, D. Axe, M. Spire, Jack G. Riley

Kansas Agricultural Experiment Station Research Reports

Three medication programs for newly purchased feeder calves were compared and found to be similar in effectiveness. There was considerable variation in cost between the three medication programs which indicates a potential cost saving opportunity. Twenty-three percent of the calves received were diagnosed as sick at least once during the 56-day trial.

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Effect Of Ralgro® Implantation Periods On Masculinity And Carcass Traits Of Young Bulls And Steers., D.G. Gray, L.R. Corah, John A. Unruh, Michael E. Dikeman Jan 1984

Effect Of Ralgro® Implantation Periods On Masculinity And Carcass Traits Of Young Bulls And Steers., D.G. Gray, L.R. Corah, John A. Unruh, Michael E. Dikeman

Kansas Agricultural Experiment Station Research Reports

Repeated Ralgro® implantation of young bulls from birth to slaughter resulted in gains and carcass characteristics traits intermediate between non-implanted bulls and steers, and meat palatability traits similar to steers. On the other hand, implanting bulls near birth reduced postweaning gains and both live and carcass masculinity. There is little advantages to implanting bulls from weaning to slaughter without initial implantation at birth.

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Consumer Preference Of Beef Rib Steaks From Implanted Steers, Implanted And Non-Implanted Bulls., C.D. Pelton, Dell M. Allen, L.R. Corah, George A. Milliken Jan 1984

Consumer Preference Of Beef Rib Steaks From Implanted Steers, Implanted And Non-Implanted Bulls., C.D. Pelton, Dell M. Allen, L.R. Corah, George A. Milliken

Kansas Agricultural Experiment Station Research Reports

Our research showed that implanting bulls from birth to slaughter made steaks from bulls as acceptable as steers to consumer panels. Implanting bulls from weaning to slaughter resulted in the least desirable consumer panel ratings for all palatability traits measured.

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Silo-Best® For Sorghum Silages, K. Bolsen, H. Ilg, M. Hinds Jan 1984

Silo-Best® For Sorghum Silages, K. Bolsen, H. Ilg, M. Hinds

Kansas Agricultural Experiment Station Research Reports

Silo-Best lowered the ensiling temperature and increased the dry matter recovered from the silo by over 5 percentage units (82.3 vs. 77.3%). Calves fed the control silage gained faster and consumed more feed, but those fed treated silage were slightly more efficient. The more efficient gain and lowered shrink loss for Silo-Best silage gave 6.4 extra pounds of calf gain per ton of crop ensiled.

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Effect Of Sorghum Type And Harvest Date On Silage Feeding Value, R. Smith, K. Bolsen, H. Ilg, M. Hinds, J. Dickerson, J. Hoover, Ronald V. Pope Jan 1984

Effect Of Sorghum Type And Harvest Date On Silage Feeding Value, R. Smith, K. Bolsen, H. Ilg, M. Hinds, J. Dickerson, J. Hoover, Ronald V. Pope

Kansas Agricultural Experiment Station Research Reports

Five silages produced in 1982 were evaluated in two growing trials using 96 steer calves. Forage sorghum silage (heading) was assigned a feeding value of 100. Based on comparative rates and efficiencies of gain, feeding value for the grain sorghum silage averaged 107.5 in Trial 1. The non-heading forage sorghum silage had a value of 64.6 in Trial 1 but only 40.2 before freezing and 31.4 after freezing in Trial 2. The poor values for the non-heading silages were due, in part, to very low feed intakes. There was no advantage in harvesting the non-heading sorghum after a freeze. Rolling …

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