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Kansas Agricultural Experiment Station Research Reports

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1992

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Articles 91 - 98 of 98

Full-Text Articles in Life Sciences

Influence Of Limited Creep Feeding On Pre- And Post-Weaning Performance Of Spring Born Calves (1992), F.K. Brazle, Gerry L. Kuhl, C.E. Binns, K.O. Zoellner, L.R. Corah, R.R. Schalles Jan 1992

Influence Of Limited Creep Feeding On Pre- And Post-Weaning Performance Of Spring Born Calves (1992), F.K. Brazle, Gerry L. Kuhl, C.E. Binns, K.O. Zoellner, L.R. Corah, R.R. Schalles

Kansas Agricultural Experiment Station Research Reports

Spring-born suckling beef calves were offered salt-limited creep feeds containing either high protein, high energy, or energy plus Bovatec® from August 15 to October 15 in a 3- year study. Creep feeding improved (P<.01) daily gain over controls, but no differences were attributable to creep composition. Daily creep feed consumption was somewhat less for the protein fed group, resulting in improved feed conversion compared to the energy-based supplement, with the energy plus Bovatec creep feed intermediate in efficiency. Creep feeding improved 53-day postweaning gains (P<.01). Overall, limited creep feeding boosted both pre- and postweaning performance, with no difference in gain among the three types of creep rations studied.

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Causes Of Diarrhea, Pneumonia, And Abortion In 1991 Cattle Submissions To The Ksu Veterinary Diagnostic Laboratory (1992), R.K. Frank, M.W. Vorhies, M. M. Chengappa Jan 1992

Causes Of Diarrhea, Pneumonia, And Abortion In 1991 Cattle Submissions To The Ksu Veterinary Diagnostic Laboratory (1992), R.K. Frank, M.W. Vorhies, M. M. Chengappa

Kansas Agricultural Experiment Station Research Reports

Causes of diarrhea, pneumonia, and abortion in Kansas cattle submissions to the Kansas State University Veterinary Diagnostic Laboratory during 1991 were summarized. Antimicrobial susceptibility results for Pasteurella haemolytica, Pasteurella multocida, Hemophilus somnus, and Salmonella spp., the common causes of pneumonia and/or diarrhea in cattle with increasing antibiotic resistance patterns, were also summarized. The most commonly diagnosed causes of diarrhea in young calves (under 1 month of age) were coronavirus, Escherichia coli, and Salmonella. The three most common causes of diarrhea in 1 to 18 month-old cattle were BVD virus, coccidia, and Salmonella. Most respiratory submissions were 7- to 18-month-old cattle. …

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Effect Of Long-Acting Penicillin And Levamisole® On Gain And Health Of Stressed Calves (1992), F.K. Brazle Jan 1992

Effect Of Long-Acting Penicillin And Levamisole® On Gain And Health Of Stressed Calves (1992), F.K. Brazle

Kansas Agricultural Experiment Station Research Reports

Two studies were conducted to determine the effect of long-acting penicillin and/or levamisole injected at arrival or levamisole injected on day 1 and/or day 7 on the health and gain of newly received, highly stressed, light weight calves. Levamisole injected at arrival reduced (P<.05) sickness of newly arrived calves during the first 5 days. However, it did not reduce overall sickness during the receiving period. Long-acting penicillin injected at arrival did not reduce sickness, but did improve (P<.05) gain of calves during the growing period. The combination of levamisole and long-acting penicillin or the combination of levamisole on day 1 and day 7 did not reduce morbidity in these highly stressed calves.

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Performance And Carcass Characteristics Of Cull Beef Cows Implanted With Growth Promotants And Fed A High Concentrate Ration (1992), C.D. Cranwell, D.D. Simms, J.R. Brethour, John A. Unruh Jan 1992

Performance And Carcass Characteristics Of Cull Beef Cows Implanted With Growth Promotants And Fed A High Concentrate Ration (1992), C.D. Cranwell, D.D. Simms, J.R. Brethour, John A. Unruh

Kansas Agricultural Experiment Station Research Reports

Open, cull beef cows fed a high concentrate ration for 28 or 56 days and implanted with Finaplix-H®, Synovex-H®, or both had improved gain and feed efficiency compared to controls (nonimplanted cows). Changes in ultrasound-measured backfat (12th rib) of implanted cows and controls were similar in both feeding periods. Marbling, fat color, and tenderness, as measured by Warner-Bratzler shear force, were not improved by feeding cows for 56 days compared to 28 days. However, lean color, dressing percent, and ribeye area were improved by feeding for 56 days. Numerical yield grade was lower (P<.05) in 28-day fed cows. Implanting with Synovex-H or Finaplix-H resulted in leaner carcasses with lower yield grades compared to controls. Ribeye area was increased by using Synovex-H compared to controls and Finaplix- H. These data indicate that the benefits in gain, feed efficiency, and carcass traits from implanting cull cows can be obtained by using either Synovex-H or Finaplix-H alone.

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Evaluation Of Interseeded Grain Sorghum And Soybeans As A Silage Crop (1992), L.H. Harbers, K.K. Bolsen, H. Hartadi Jan 1992

Evaluation Of Interseeded Grain Sorghum And Soybeans As A Silage Crop (1992), L.H. Harbers, K.K. Bolsen, H. Hartadi

Kansas Agricultural Experiment Station Research Reports

Dry matter yield of grain sorghum alone averaged more than 1.0 ton per acre higher than that of intercropped grain sorghum-soybeans in both 1988 and 1989. All silage yields were lower in 1989 because of drought. Grain sorghum silage had less NDF and ADF, but intercropped silages had over 4 percentage units more crude protein. Digestibility coefficients for crude protein, NDF, and ADF tended to favor intercropped silages, but yearling steer performance favored grain sorghum silage. Studies over 4 years (1986 to 1989) suggest that intercropping might be more beneficial for dairy cattle producers than beef producers.

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Epiphytic Lactic Acid Bacteria Succession During The Pre-Ensiling And Ensiling Periods Of Alfalfa And Corn (1992), Chunjian Lin, B.E. Brent, K.K. Bolsen, Daniel Y.C. Fung Jan 1992

Epiphytic Lactic Acid Bacteria Succession During The Pre-Ensiling And Ensiling Periods Of Alfalfa And Corn (1992), Chunjian Lin, B.E. Brent, K.K. Bolsen, Daniel Y.C. Fung

Kansas Agricultural Experiment Station Research Reports

Twenty three species and 306 strains of epiphytic lactic acid bacteria (LAB) were found for two cuttings of alfalfa, each harvested at three stages of maturity, and three whole-plant corn hybrids. Epiphytic LAB counts were low and variable on the standing crops, particularly on alfalfa. Wilting increased LAB numbers slightly for alfalfa, but the chopping process increased counts dramatically for both crops. Lactobacillus plantarum, Pediococcus pentosaceus, Enterococcus faecium, and E. faecalis were predominant on both standing crops. The changes in LAB caused by wilting or chopping were mainly proportional changes in the four dominant species. Once the crops were ensiled, …

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Effects Of Source And Level Of Energy Or Protein Supplementation On Nitrate Toxicity In Cattle (1992), M.W. Smith, M.R. Blanding, L.R. Corah, Dale A. Blasi Jan 1992

Effects Of Source And Level Of Energy Or Protein Supplementation On Nitrate Toxicity In Cattle (1992), M.W. Smith, M.R. Blanding, L.R. Corah, Dale A. Blasi

Kansas Agricultural Experiment Station Research Reports

Two experiments were conducted to investigate whether level or source of energy and protein supplementation would reduce the incidence or severity of clinical toxicity in cattle fed forages high in nitrate (NO3). Heavily fertilized sudan hay with 40,000 to 50,000 ppm NO3 was fed in both experiments. The percentage of total blood hemoglobin converted to methemoglobin by nitrate was used to compare treatment effectiveness. Energy supplementation at levels tested in Exp. 1 had no effect on methemoglobin concentration. In Exp. 2, all protein sources (wheat midds, urea, soybean meal) reduced the maximum methemoglobin levels and increased the rate of reconversion …

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Southwest Research-Extension Center, Field Day 1992 Jan 1992

Southwest Research-Extension Center, Field Day 1992

Kansas Agricultural Experiment Station Research Reports

Report of agricultural research from Southwest Research-Extension Center of Kansas State University.

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