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Animal Sciences

Kansas Agricultural Experiment Station Research Reports

Journal

1988

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Articles 31 - 60 of 90

Full-Text Articles in Life Sciences

Effects Of Raw Soybeans, Roasted Soybeans, And Soybean Oil On Finishing Pig Performance (1988), Robert D. Goodband, Robert H. Hines Jan 1988

Effects Of Raw Soybeans, Roasted Soybeans, And Soybean Oil On Finishing Pig Performance (1988), Robert D. Goodband, Robert H. Hines

Kansas Agricultural Experiment Station Research Reports

Two trials were conducted to evaluate the effects of raw soybeans, roasted soybeans, and soybean oil on finishing pig performance. In trial 1 pigs were fed a low protein control diet containing 7.5% soybean meal and synthetic lysine. Raw soybeans were added at levels of 8.75, 11.90, 15.05, and 18.20% of the diet. The raw soybean additions replaced the synthetic lysine and part of the milo in the diet and provided lysine levels of .60, .67, .74, and .81% as raw soybean level increased, respectively. Increasing level of raw soybeans had no affect on average daily gain (ADG) or average …

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The Effects Of Porcine Somatotropin (Pst) And Dietary Lysine Level On Growth Performance And Carcass Characteristics Of Finishing Swine (1988), R C. Thaler, B R. Schricker, G E. Fitzner, A J. Lewis, Robert D. Goodband, Jim L. Nelssen, Robert H. Hines, Donald H. Kropf Jan 1988

The Effects Of Porcine Somatotropin (Pst) And Dietary Lysine Level On Growth Performance And Carcass Characteristics Of Finishing Swine (1988), R C. Thaler, B R. Schricker, G E. Fitzner, A J. Lewis, Robert D. Goodband, Jim L. Nelssen, Robert H. Hines, Donald H. Kropf

Kansas Agricultural Experiment Station Research Reports

Seventy-two finishing pigs averaging 130 lb were utilized to determine the effects of PST and dietary lysine on growth performance and carcass characteristics. Pigs were injected daily with 4 mg PST in the extensor muscle of the neck and fed either a pelleted corn-sesame meal diet (.6% lysine, 17.7% crude protein) or diets containing .8, 1.0, 1.2, or 1.4% lysine provided by L-lysine HCl. All diets were formulated to contain at least 200% of NRC (1979) recommendations for other amino acids. Control pigs received a placebo injection and the .6% lysine diet. Increasing levels of dietary lysine resulted in increased …

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Factors Affecting Feeder Pig Auction Price Differentials (1988), Ted C. Schroeder, J M. Jones, David A. Nichols Jan 1988

Factors Affecting Feeder Pig Auction Price Differentials (1988), Ted C. Schroeder, J M. Jones, David A. Nichols

Kansas Agricultural Experiment Station Research Reports

A survey of feeder pig sales was conducted at two Kansas feeder pig auctions during the spring and summer of 1988. Several factors were identified that helped explain a large portion of the short-run price differentials observed in feeder pig prices. Physical characteristics of the feeder pigs and changing market fundamentals during the data collection period accounted for 80 percent of the variability in feeder pig prices. The most significant physical characteristics affecting price included weight lot size health, structural soundness, lumps, ruptures and lot uniformity. There are clear incentives for producers to attempt to sell feeder pigs in healthy, …

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Effect Of Processing On Physical Characteristics, Handling Properties And Utilization Of Wheat Middlings (1988), C H. Fahrenholz, G L. Allee, D Eustace, Keith C. Behnke Jan 1988

Effect Of Processing On Physical Characteristics, Handling Properties And Utilization Of Wheat Middlings (1988), C H. Fahrenholz, G L. Allee, D Eustace, Keith C. Behnke

Kansas Agricultural Experiment Station Research Reports

Wheat middlings were pelleted and ground through different types of grinders. The resulting products were incorporated into finishing pig diets and a digestion trial was conducted to determine the effect of processing on nutrient utilization. Pelleting and grinding midds prior to use in pelleted finishing diets improved pelleting throughput and efficiency. Results of the digestion study showed there were no detrimental effects on nutrient utilization because of processing. This, along with reduced shipping costs and improved handling characteristics, indicate that pelleting wheat midds at the flour mill would be beneficial to the feed industry and could result in lower feed …

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Utilization By Finishing Pigs Of Reconstituted Sorghum Grain Treated With Enzymes Or Enzymes Plus A Bacterial Inoculant Prior To Ensiling (1988), J I. Heidker, Keith C. Behnke Jan 1988

Utilization By Finishing Pigs Of Reconstituted Sorghum Grain Treated With Enzymes Or Enzymes Plus A Bacterial Inoculant Prior To Ensiling (1988), J I. Heidker, Keith C. Behnke

Kansas Agricultural Experiment Station Research Reports

One hundred eight finishing pigs averaging 117 lb were used to evaluate the effects of adding enzymes with or without a bacterial inoculant to reconstituted sorghum grain used in swine diets. No differences were noted in gain, feed efficiency, or carcass characteristics as determined by ultrasonic scanning.; Swine Day, Manhattan, KS, November 17, 1988

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The Effects Of Porcine Somatotropin (Pst) Dosage And Dietary Lysine Level On Growth Performance And Carcass Characteristics Of Finishing Swine (1988), B R. Schricker, G R. Stoner, R J. Danler, R C. Thaler, B P. Kenny, S S. Hurt, G E. Fitzner, J Apple, K Warren, Robert D. Goodband, Jim L. Nelssen, Robert H. Hines, Donald H. Kropf, Joe D. Hancock Jan 1988

The Effects Of Porcine Somatotropin (Pst) Dosage And Dietary Lysine Level On Growth Performance And Carcass Characteristics Of Finishing Swine (1988), B R. Schricker, G R. Stoner, R J. Danler, R C. Thaler, B P. Kenny, S S. Hurt, G E. Fitzner, J Apple, K Warren, Robert D. Goodband, Jim L. Nelssen, Robert H. Hines, Donald H. Kropf, Joe D. Hancock

Kansas Agricultural Experiment Station Research Reports

One hundred and forty-four finishing pigs (initial weight 126 lb) were utilized to determine the effects of PST dosage (4 or 8 mg PST' head^-1day^-1 ) and dietary lysine level (.8, 1,0, 1.2, or 1.4%) on growth performance and carcass characteristics. Pigs were injected daily in the extensor muscle of the neck with either 4 or 8 mg PST and fed a pelleted corn-soybean meal-sesame meal diet containing .8% lysine. Additional lysine levels of 1.0, 1.2, and 1.4% were provided by L-lysine HCl. Control pigs (placebo injection) received the .8% lysine diet. All diets were formulated to contain at least …

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Effect Of Wheat Mill Run On Finishing Pig Performance (1988), C H. Fahrenholz, Keith C. Behnke, David A. Nichols Jan 1988

Effect Of Wheat Mill Run On Finishing Pig Performance (1988), C H. Fahrenholz, Keith C. Behnke, David A. Nichols

Kansas Agricultural Experiment Station Research Reports

Finishing pigs were fed diets containing 0, 15, 30, or 45% wheat mill run (WMR) during cold and hot weather. Results indicate that 15% WMR can be included in finishing swine diets without adversely affecting pig performance. Apparent digestibilities of dry matter, gross energy, and crude fiber were lower (P<.05) for diets containing WMR than for the control. During cold weather incorporating up to 15% WMR in the diet may be economically justified, because there was no difference in cost of gain for pigs receiving the control or 15% WMR diets. During hot weather, cost of gain increased as the level of WMR in the diet increased.; Swine Day, Manhattan, KS, November 17, 1988

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Comparison Of Wet Versus Dry Feeding For Starter Pigs (1988), R C. Thaler, Jim L. Nelssen Jan 1988

Comparison Of Wet Versus Dry Feeding For Starter Pigs (1988), R C. Thaler, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

Two studies utilizing a total of 480 pigs (21 days old) were conducted to compare wet versus dry feeding during a 4 wk starter period. Pigs were fed a pelletized, high nutrient density diet for the first 2 wk and a semi-complex diet (meal form) for the last 2 wk. Aqua® feeders were used in all pens. During the first 2 wk of the study, feeding method had no effect on daily gain or feed intake; however, pigs fed dry diets required less feed per pound of gain than did pigs consuming wet diets (P<.0002). For the overall 4 wk trial, gains and feed intake did not differ between treatments, but pigs fed the wet diets were less efficient than pigs receiving the dry diets. Based on these results, wet feeding is not advantageous to starter pig performance.; Swine Day, Manhattan, KS, November 17, 1988

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Effect Of A Probiotic On Prevention Of Salmonellosis In Pigs (1988), K B. Beeman, D E. Erickson, B J. Henning Jan 1988

Effect Of A Probiotic On Prevention Of Salmonellosis In Pigs (1988), K B. Beeman, D E. Erickson, B J. Henning

Kansas Agricultural Experiment Station Research Reports

An experiment was conducted to determine if a commercial probiotic compound could be used to bring about competitive exclusion of Salmonella organisms. The probiotic material was added to the feed of one group of pigs and was not added to the feed of a control group. Both groups of pigs were dosed orally with 10^6 CFU of Salmonella cholerasuis. All pigs were affected; however, the treated group demonstrated less illness than the control group.; Swine Day, Manhattan, KS, November 17, 1988

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Space Requirement Of Finishing Pigs Fed To Heavier Weight (1988), David A. Nichols, Robert H. Hines, Robert D. Goodband, Jim L. Nelssen Jan 1988

Space Requirement Of Finishing Pigs Fed To Heavier Weight (1988), David A. Nichols, Robert H. Hines, Robert D. Goodband, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

Two trials, using a total of 240, crossbred, finishing pigs were conducted to evaluate 7, 9, and 11 ft^2 space allowance per pig from approximately 115 lb to a market weight of 250 lb. Pigs were removed individually each week as they reached the desired weight. Pigs reared in pens with 7 ft^2 had a reduced average daily feed intake and a significantly reduced average daily gain compared to those with 9 and 11 ft^2. Feed/gain was the same for all treatments; however, the pigs with 7 ft^2 required 4 days longer to reach 250 lb. Performance data suggests that …

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Hedging Opportunities For Feeder Pig Finishers (1988), Ted C. Schroeder Jan 1988

Hedging Opportunities For Feeder Pig Finishers (1988), Ted C. Schroeder

Kansas Agricultural Experiment Station Research Reports

This study examined the frequency of profitable, short, hedging opportunities that have been available to feeder pig finishers in recent years. The results indicate that there have been periods offering frequent opportunities to "lock in" a profit by hedging. However, there have not been many extended periods beyond 6 mo offering frequent profitable hedging opportunities, and over several feeding periods, no trading day offered profitable hedging opportunities. Though not always offering a profit, the futures market offered some improved returns relative to the cash market. During a few feeding periods, improved return opportunities were present in excess of 80% of …

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Wet Vs. Dry Ad Libitum Feeding Of Growing-Finishing Swine (1988), David A. Nichols, Robert H. Hines Jan 1988

Wet Vs. Dry Ad Libitum Feeding Of Growing-Finishing Swine (1988), David A. Nichols, Robert H. Hines

Kansas Agricultural Experiment Station Research Reports

Two hundred and twenty-four growing-finishing pigs were used to evaluate wet vs. dry ad libitum feeding utilizing the Pride of the Farm Maxima®feeder. Growth rate, average daily feed intake, and feed/gain were the same for those pigs fed with feeders having water nozzles in the trough (wet) or (Finishing, Wet vs. Dry) without the nozzles in the trough of the feeder (dry).; Swine Day, Manhattan, KS, November 17, 1988

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Replacing Dried Skim Milk With Select Menhaden Fish Meal In A High Nutrient Density Diet (1988), G R. Stoner, Jim L. Nelssen, Robert H. Hines Jan 1988

Replacing Dried Skim Milk With Select Menhaden Fish Meal In A High Nutrient Density Diet (1988), G R. Stoner, Jim L. Nelssen, Robert H. Hines

Kansas Agricultural Experiment Station Research Reports

A growth study was conducted to evaluate the possibility of replacing dried skim milk (DSM) with select menhaden fish (SMFM) in a high nutrient density diet. A total of 210, 3wk- old weaned pigs was utilized. Diets were formulated by: 1) replacing 50 or 100% of the DSM with SMFM and maintaining the lactose content of the diet by increasing the dried whey inclusion or 2) by replacing 50 or 100% of the DSM with SMFM and corn. These formulations yielded three diets containing 24% lactose, one diet containing 19% lactose, and one containing 14% lactose. Growth performance was similar …

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Transient Hypersensitivity To Soybean Meal In The Early-Weaned Pig (1988), D F. Li, G Reddy, Frank Blecha, Joe D. Hancock, G Allee, Jim L. Nelssen Jan 1988

Transient Hypersensitivity To Soybean Meal In The Early-Weaned Pig (1988), D F. Li, G Reddy, Frank Blecha, Joe D. Hancock, G Allee, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

An experiment was conducted to determine if baby pigs develop intestinal hypersensitivity to dietary soy protein. Challenging nursery pigs with soybean meal following oral infusion of soybean meal from day 7 to day 14 of age resulted in villus atrophy and lower average daily gain by 28 days of age. At 56 days of age, there were no differences in weight gains between pigs fed soy protein and pigs fed milk protein. Pigs exposed to soybean meal before weaning had increased anti-soybean protein immnoglobulin titers at 4 wk (7.2 vs 4.0) and at 8 wk (7.6 vs 4.2). Thus, challenging …

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Effect Of Fat Source And Fat Combinations On Starter Pig Performance (1988), R C. Thaler, G L. Allee, Jim L. Nelssen Jan 1988

Effect Of Fat Source And Fat Combinations On Starter Pig Performance (1988), R C. Thaler, G L. Allee, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

Two 5-wk trials utilizing a total of 324 weanling pigs (21 ± 3 d) were conducted to determine the effects of different fat sources and combinations on starter pig performance. Treatments consisted of a control (CONT) with no added fat and fat additions of either soybean oil (SOY), coconut oil (COCO), choice white grease (CWG), 1/2 SOY: 1/2 COCO (SOCO), or 1/2 CWG: 1/2 COCO (CWCO). Diets were supplemented with 10% fat for the first two wk of the study, and 5% fat for the next three wk. Daily feed intake (ADFI) was decreased for the first 2 wk when …

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An Alternative To Sulfa-Containing Antibiotics For Starter Pigs (1988), R C. Thaler, Jim L. Nelssen Jan 1988

An Alternative To Sulfa-Containing Antibiotics For Starter Pigs (1988), R C. Thaler, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

An on-farm starter trial was conducted to compare the efficacy of a non-sulfa containing antibiotic (Mecadox®) to that of a sulfa-containing antibiotic (ASP-250®). Two hundred and forty pigs weaned at 3 wk of age were placed in a hot-nursery and all fed a high nutrient density diet containing the antibiotic apramycin (Apralan®) for 1 week. For the next 3 wk, pigs received complex diets containing either ASP-250 or Mecadox. Pigs were then moved. to a cold nursery and fed simple diets with the same antibiotic treatment for the final 2 wk. Average daily gain, average daily feed intake, and feed …

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Litter Traits For Gilts Fed 4 Or 7.4 Lb Feed During The First Ten Days After Breeding (1988), Duane L. Davis, Z Zhang, Jeffrey S. Stevenson Jan 1988

Litter Traits For Gilts Fed 4 Or 7.4 Lb Feed During The First Ten Days After Breeding (1988), Duane L. Davis, Z Zhang, Jeffrey S. Stevenson

Kansas Agricultural Experiment Station Research Reports

We tested the effects of feeding 4 or 7.4 lb of a complete gestation diet to gilts during days 0 to 2 or 3 to 10 after first detected estrus (day 0) and mating. There was a tendency (P = .11) for the 7.4 lb/day treatment to increase litter size when fed from day 0 to 2 and to decrease (P = .17) litter size when fed from day 3 to 10. Gilts artificially inseminated at puberty farrowed fewer (P<.05) pigs than gilts inseminated at a second or later estrus.; Swine Day, Manhattan, KS, November 17, 1988

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Effect Of Dietary Folic Acid Additions On Sow Performance Through Two Parities (1988), R C. Thaler, G L. Allee, Jim L. Nelssen, Robert D. Goodband Jan 1988

Effect Of Dietary Folic Acid Additions On Sow Performance Through Two Parities (1988), R C. Thaler, G L. Allee, Jim L. Nelssen, Robert D. Goodband

Kansas Agricultural Experiment Station Research Reports

A total of 153 gilts from three breeding groups were fed gestation/lactation diets supplemented with either 0, 1.5, or 6.0 g of folic acid/ton of complete feed for two consecutive parities. Serum folate levels were linearly increased by dietary additions of folic acid throughout gestation and lactation, but serum glucose and urea levels were unaffected by treatment. Stage of life cycle also had an effect on serum folate level. Generally, folate levels decreased from breeding to day 60 of gestation in parity 1 for all treatments, then increased through lactation. In parity 2, folate levels decreased up to day 90 …

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Low Investment Farrowing Facilities (1988), James P. Murphy Jan 1988

Low Investment Farrowing Facilities (1988), James P. Murphy

Kansas Agricultural Experiment Station Research Reports

Low investment farrowing facilities can be divided into three categories, depending on the level of investment. At the lowest investment level, an individual farrowing shelter that has no floor is utilized. The shelter can be as simple as two sheets of plywood nailed together to create an A frame. Sometimes, rounded "quonset" shelters also are utilized. Since the weather protection is somewhat limited, these types of shelters are normally used to farrow only in the spring and fall. This is sometimes called the two-litter system. Farrowing is normally done on pastures. The shelters utilize no supplemental heat and have no …

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Folic Acid Supplementation For Sow Diets (1988), Jim L. Nelssen Jan 1988

Folic Acid Supplementation For Sow Diets (1988), Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

Folic acid is an essential B-vitamin for swine, and green, leafy plants are an -excellent source of this vitamin. Even though pigs cannot synthesize folic acid, bacteria in their lower gut can, making feces another source of folic acid. Research in the late 1940's and early 1950's indicated that folic acid supplementation to pig diets was not necessary. However, in the last 40 years, the number of sows raised in outside lots with access to leafy plants has decreased. Also, improvements in waste removal systems have decreased the sow's access to fecal material. These changes in management systems have removed …

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Evaluation Of Mga And Prostaglandin As An Estrous Synchronization Procedure Under Field Conditions, P.L. Houghton, L.R. Corah, T.B. Goehring Jan 1988

Evaluation Of Mga And Prostaglandin As An Estrous Synchronization Procedure Under Field Conditions, P.L. Houghton, L.R. Corah, T.B. Goehring

Kansas Agricultural Experiment Station Research Reports

When fed MGA (0.5 mg.hd/day) for 14 days, followed by a prostaglandin injection 17 days later, a total of 736 out of 1112 heifers at 11 locations expressed signs of estrus within 5 days following the PG injection for a 66.2% response to synchronization. Response rates between locations ranged from 33 to 95% (P<.05). In a comparison of prostaglandin forms at 5 locations, using 789 heifers, response to synchronization was similar (P=.66) between Lutalyse® (62.7% response) and Bovilene® (59.6% response). First-service conception rate was compared in 411 heifers at two locations and was higher for Lutalyse (68.996) than Bovilene (59.996) (P<.08). First-service conception rate varied by technician (P<.05) and ranged from 48.7 to 83.6%.

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Effect Of Hay Quality And Breed On The Onset Of Puberty And Subsequent Reproductive Performance In Beef Heifers, R.C. Perry, L.R. Corah, R.C. Cochran, J.R. Brethour Jan 1988

Effect Of Hay Quality And Breed On The Onset Of Puberty And Subsequent Reproductive Performance In Beef Heifers, R.C. Perry, L.R. Corah, R.C. Cochran, J.R. Brethour

Kansas Agricultural Experiment Station Research Reports

The effect of hay quality on the onset of puberty and subsequent reproductive performance was evaluated in 51 3/4 Hereford x 1/4 Angus (HA) heifers and 47 3/4 Hereford x 1/4 Brahman (HB) heifers. Two qualities of alfalfa hay were fed ad libitum. along with an average of 3.1 lbs/hd/day of ground sorghum grain. HB heifers were heavier and carrying more backfat and body condition (P<.05) at the start of the experiment and they maintained their weight advantage through out the experiment. A higher (P<.05) percent of the UB heifers reached puberty by 14 and 15 months of age and became pregnant during a 45 day artificial insemination breeding period. HA heifers reached puberty at a lighter (P<.05) average weight. Heifers fed high quality alfalfa hay were heavier (P<.05) by the start of the breeding season and were carrying more (P<.05) backfat and body condition. A higher percent (P=.08) of the heifers receiving higher quality hay reached puberty by 16 months of age and a higher (P=.10) percent became pregnant during the breeding period. Heifers inseminated at their pubertal estrus had lower (P=.04) first service conception rates than heifers inseminated at their second or later estruses (52% vs. 88%).

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An Analysis Of Weaning Weight Records In Kansas Cowherds From 1968 To 1985, R.C Perry, D.D. Simms, L.R. Corah, D.J. Patterson Jan 1988

An Analysis Of Weaning Weight Records In Kansas Cowherds From 1968 To 1985, R.C Perry, D.D. Simms, L.R. Corah, D.J. Patterson

Kansas Agricultural Experiment Station Research Reports

A data set of 33,208 individual weaning records (1968-1985) from producers within Kansas was analyzed to determine factors influencing weaning weight. In determining the effect of calving sequence (21 day periods), only data from larger cowherds with records from at least 5 years were included (n=18,400). On the average, for every 21 days later a calf is born, there is a 22.8 lb decline in weaning weight. During the 17-year period that these records encompassed, there has been an average annual weaning weight increase of 4.6 lbs. This study suggests that factors influencing weaning weight in Kansas are age at …

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The Influence Of Stage Of Pregnancy On Digestion Characteristics In Beef Cows, A. Beharka, B. Cochran, D. Harmon, T. Avery Jan 1988

The Influence Of Stage Of Pregnancy On Digestion Characteristics In Beef Cows, A. Beharka, B. Cochran, D. Harmon, T. Avery

Kansas Agricultural Experiment Station Research Reports

Feed intake during the final trimester of gestation did not appear to vary significantly until 2 weeks before calving, after which it decreased dramatically. Measurements during two periods in the final trimester suggested that passage rate increased and digestibility decreased, as pregnancy proceeded.

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Comparison Of Feedlot Performance Of Steer Calves Produced By Angus X Hereford And Brahman X Hereford Cows, J.R. Brethour, D. Patterson, K. Olson, L. Corah Jan 1988

Comparison Of Feedlot Performance Of Steer Calves Produced By Angus X Hereford And Brahman X Hereford Cows, J.R. Brethour, D. Patterson, K. Olson, L. Corah

Kansas Agricultural Experiment Station Research Reports

Steer calves that were 75 percent Hereford and either 25 percent Angus (BWF) or Brahman (BRX) were compared in a feedlot study that involved either high-concentrate or high-silage finishing rations. The BRX steers gained significantly faster, but there was no concomitant response in feed efficiency. The ration energy utilization by BRX steers appeared to be less than that of BWF steers. Performance of both breeds was poorer on the high-silage ration than on the high-grain ration, and there was no breed by ration interaction. A greater proportion of BWF calves graded USDA choice, but there was little difference between breeds …

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Influence Of Limited-Creep Feeding On Pre And Postweaning Performance Of Spring Born Calves, P. Houghton, F. Brazle, Gerry L. Kuhl, B. Schalles, K. Zoellner Jan 1988

Influence Of Limited-Creep Feeding On Pre And Postweaning Performance Of Spring Born Calves, P. Houghton, F. Brazle, Gerry L. Kuhl, B. Schalles, K. Zoellner

Kansas Agricultural Experiment Station Research Reports

Two limited-creep feeding trials were conducted in Northwest and Southeast Kansas using spring-born, suckling calves to evaluate the effect of available forage supply on creep-fed calf performance. Energy vs. protein creep feeds were compared at each location. Creep feed intake was limited with salt to achieve an average daily intake of about 1.5 lb per head. Calves consuming the limited energy and protein creep feeds gained from 0.1 to 0.6 lb more per head daily preweaning, and required 2.3 to 7.6 lb of creep per lb of extra weaning weight. Postweaning gains of the noncreep-fed calves were .12 to .27 …

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Horn Fly And Face Fly Control With The Dustacator® Combination Mineral Feeder And Livestock Dusting Device, Donald E. Mock, R.R. Schalles Jan 1988

Horn Fly And Face Fly Control With The Dustacator® Combination Mineral Feeder And Livestock Dusting Device, Donald E. Mock, R.R. Schalles

Kansas Agricultural Experiment Station Research Reports

Dustacators (combination mineral feeders and livestock dusting devices) were used for four beef herds at Kansas State University in 1985. Loose mineral was supplied in all four Dustacator tubs, which were adjusted to low settings. Permethrin dust had no apparent effect on horn flies. Co-Ral® from two sources and Rabon® provided approximately 65% horn fly reduction during the 53-day test period. The 1986 experiment compared the effects of Dustacator mineral tub height adjustments and loose vs. block mineral. Co-Hal 1% dust from a single source was used in all treatments on two Simmental herds and two Polled Hereford herds. Excellent …

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Influence Of Supplemental Protein Concentration On The Performance Of Beef Cows Grazing Dormant Bluestem Range, T. Delcurto, B. Cochran, L. Corah Jan 1988

Influence Of Supplemental Protein Concentration On The Performance Of Beef Cows Grazing Dormant Bluestem Range, T. Delcurto, B. Cochran, L. Corah

Kansas Agricultural Experiment Station Research Reports

Three milo/soybean meal mixtures representing three supplemental crude protein concentrations (13, 26, and 39%) were evaluated in terms of pregnant beef cow performance. Cow weight and body condition changes responded in a linear fashion to increasing protein. Cattle fed the high protein (39% Crude Protein) supplement lost the least weight and body condition, whereas cattle supplemented with the low protein treatment lost the most. Although there was little difference between treatment groups in terms of reproductive efficiency and subsequent calf performance, moderate (26% Crude Protein) and high protein supplements appear to offer the most benefit in maintaining cow\weight and body …

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Morning Versus Evening Supplementation For Heifers Grazing Winter Range, E. Vanzant, B. Cochran, L. Corah, K. Zoellner Jan 1988

Morning Versus Evening Supplementation For Heifers Grazing Winter Range, E. Vanzant, B. Cochran, L. Corah, K. Zoellner

Kansas Agricultural Experiment Station Research Reports

Supplementing developing heifers in the morning was compared with supplementation at sundown. No difference was evident among treatments in average daily gain, distance traveled, or time spent grazing.

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Influence Of Supplemental Protein Versus Energy Level On Intake, Fill, Passage, Digestibility, And Fermentation Characteristics Of Beef Steers Consuming Dormant Bluestem Range Forage, T. Delcurto, B. Cochran, T. Avery, A. Beharka Jan 1988

Influence Of Supplemental Protein Versus Energy Level On Intake, Fill, Passage, Digestibility, And Fermentation Characteristics Of Beef Steers Consuming Dormant Bluestem Range Forage, T. Delcurto, B. Cochran, T. Avery, A. Beharka

Kansas Agricultural Experiment Station Research Reports

Two trials were conducted to evaluate effects of protein versus energy level in milo/soybean meal supplements on intake and utilization of dormant, bluestem forage. Forage dry matter intake and utilization of dormant bluestem forage appears to increase at higher levels of supplemental protein. Increased supplemental energy may be associated with depressed intake and utilization, particularly when supplements are low in protein.

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