Browsing College of Agriculture by Title

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Browsing College of Agriculture by Title

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  • Fennewald, D. J.; Weaber, Robert L.; Lamberson, W. R.
    Accuracy of sire selection is limited by how well animals are characterized for their environment. The objective of this study was to evaluate the presence of genotype x environment interactions (GxE) for birth weight (BiW) ...
  • Edae, E. A.; Olivera, P. D.; Jin, Y.; Poland, Jesse A.; Rouse, M. N.
    Background: Wild relatives of wheat play a significant role in wheat improvement as a source of genetic diversity. Stem rust disease of wheat causes significant yield losses at the global level and stem rust pathogen race ...
  • Morris, Geoffrey P.; Hu, Z.; Grabowski, P. P.; Borevitz, J. O.; de Graaff, M. A.; Miller, R. M.; Jastrow, J. D.
    The perennial grass species that are being developed as biomass feedstock crops harbor extensive genotypic diversity, but the effects of this diversity on biomass production are not well understood. We investigated the ...
  • Kapanigowda, Mohankumar H.; Perumal, Ramasamy; Djanaguiraman, Maduraimuthu; Aiken, Robert M.; Tesso, Tesfaye T.; Prasad, P. V. Vara; Little, Christopher R. (2014-10-01)
    Sorghum [Sorghum bicolor (L.) Moench] grain yield is severely affected by abiotic and biotic stresses during post-flowering stages, which has been aggravated by climate change. New parental lines having genes for various ...
  • Kreikemeier, K.K.; Harmon, D.L.; Avery, T.B.; Brandt, Robert T., Jr. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-11-22)
    Glucose infused into the abomasum of Holstein steers resulted in higher arterial glucose concentrations and increased net glucose absorption than either starch or dextrin infusions. Increasing infusion rates above 20 ...
  • Kreikmeier, K.K.; Harmon, D.L.; Avery, T.B.; Brandt, Robert T., Jr. (Kansas Agricultural Experiment Station, 2012-09-20)
    Holstein steers (775 lbs) were surgically fitted with abomasal and ileal cannulae, portal and mesenteric venous catheters, and an elevated carotid artery. These steers were used to study starch digestion in the small ...
  • Eborn, D.R.; Grieger, David M. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-01-21)
    The use of artificial insemination can improve genetics, shorten the calving season, and increase weaning weights by having more calves born earlier in the breeding season. Reasons that this technology has not been used ...
  • Stevenson, Jeffrey S.; Schmidt, M.K.; Call, Edward P. (Kansas Agricultural Experiment Station, 2012-10-04)
    To study the effects of gonadotropin-releasing hormone (GnRH) and timing of artificial insemination (Al) on fertility, 328 dairy cows were divided into four groups. Inseminations at first, second, or third service were ...
  • Stevenson, Jeffrey S.; Call, Edward P. (Kansas Agricultural Experiment Station, 2012-09-20)
    An experiment examining the benefit of treating repeat-breeders with 100 µg GnRH (Cystorelin ®) at the time of third or fourth insemination was conducted in 513 dairy cows of which 93 (abnormal cows) had been diagnosed ...
  • Hill, Scott L.; Grieger, David M.; Olson, K. C.; Jaeger, John R.; Dahlen, C. R.; Crosswhite, M. R.; Pereira, N. N.; Underdahl, S. R.; Neville, B. W.; Ahola, J.; Fischer, M. C.; Seidel, G. E.; Stevenson, Jeffrey S.
    We hypothesized that GnRH would increase pregnancy risk (PR) in a split-time AI program for cows in which estrus was not detected. A total of 1,236 suckled beef cows at 12 locations in 3 states (Colorado, Kansas, and North ...
  • Axe, D.; Ilg, H.; Bolsen, K.; Behnke, Keith C. (Kansas State University. Agricultural Experiment Station, 2011-02-18)
    Two finishing trials with heifers and steers were conducted to determine the value of grain dust (GD) to replace cracked corn and to compare soybean meal and urea as protein supplements. Results of the 104-day heifer ...
  • Fox, J.T.; Jacob, M.E.; Reinstein, S.L.; Drouillard, James S.; Nagaraja, Tiruvoor G. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-01-22)
    Escherichia coli O157 is an important food-borne pathogen for which the gastrointestinal tract of cattle is the major reservoir. Fecal shedding of E. coli O157 in cattle reflects the ability of the organism to persist in ...
  • Staggenborg, Scott A.; Dhuyvetter, Kevin C.; Gordon, W. B. (2008-12-19)
    Grain sorghum (Sorghum bicolor (L.) Moench) is often grown where water stress is expected. But, improved drought tolerance in corn (Zea mays (L.)) hybrids has resulted in increased dryland corn production in preference to ...
  • Richardson, D.; Smith, E.F.; Koch, B.A.; Boren, Fred W. (Kansas Agricultural Experiment Station, 2011-09-20)
    Two types of sorghum silage were used in this test. They were (1) DeKalb forage type which produced approximately 100 bushels of grain and 20 tons of silage per acre; and (2) RS610 grain type which produced approximately ...
  • Laudert, S.B.; Kuhl, Gerry L.; Edwards, A.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-12-03)
    Two field trials were conducted to compare the pasture and finishing performance of heifers spayed by the Kimberling-Rupp(K-R) technique or by flank spaying plus autografting a piece of ovarian tissue into the rumen wall ...
  • Hayes, Douglas Kirk; Corah, L.; Bartley, E.E. (Kansas State University. Agricultural Experiment Station, 2011-02-18)
    Data collected from six producers grazing 4050 head of cattle on 850 acres of irrigated alfalfa showed that under optimum conditions, Kansas producers can expect: stocking rate, 5 to 6 head/acre; average daily gain, 2 ...
  • Martin, Victor L.; Hale, R. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-08-03)
    Rye, wheat, and triticale pasture were evaluated during the winters of 2000-01, 2001-02, and 2002-03 for their ability to increase cattle weight from late fall through mid-spring. Large-scale studies were conducted on two ...
  • Johnson, Sandra K.; Harmoney, Keith R. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2011-03-30)
    Beef producers can lower feed costs by extending the grazing period and reducing the need for harvested forages. Complementary forage systems extend the native range grazing season; wheat pasture is common in the southern ...
  • Schroeder, Ted C. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-09-02)
    Pricing fed cattle on a value-based quality and yield grade grid provides the best opportunity for cattle producers to receive premiums associated with high quality cattle. However, grid discounts for cattle not desired ...

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