Browsing Dairy Day, 1985 by Subject "Dairy"

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Browsing Dairy Day, 1985 by Subject "Dairy"

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  • Dunham, James R. (Kansas Agricultural Experiment Station, 2012-10-04)
    A comparison was made of the AM-PM production testing program with the traditional DHI program during 13 test periods of 1984 in the KSU Dairy Teaching and Research Center herd. Although there were slight variations in ...
  • Stevenson, Jeffrey S.; Lucy, M.C.; Call, Edward P. (Kansas Agricultural Experiment Station, 2012-10-04)
    Prolonged or delayed interval to first breeding is a major cause of long calving intervals. Our objective was to test two methods of artificial insemination by appointment after controlling the onset of estrus for all ...
  • Stevenson, Jeffrey S.; BenMrad, M. (Kansas Agricultural Experiment Station, 2012-10-04)
    A study of 234 Holstein cows was conducted to determine if hormonal treatments of gonadotropin-releasing hormone (GnRH or Cystorelin®) and(or) prostaglandin F2a (PGF or Lutalyse®) given early after calving would ...
  • Jordan, K.J.; Morrill, J.L.; Reddy, P.G.; Higgins, James J. (Kansas Agricultural Experiment Station, 2012-10-04)
    Previous work at the Kansas Agricultural Experiment Station contributed to the development of an early weaning program (see 1984 Dairy Day, Report of Progress 460). This program involves the use of a prestarter, which ...
  • Morrill, J.L.; Reddy, P.G.; Behnke, Keith C.; Higgins, James J. (Kansas Agricultural Experiment Station, 2012-10-04)
    Three starters containing differently processed protein supplements were fed to Holstein heifer calves, using an early weaning program. One starter contained soybean meal. The other starters contained soybean grits ...
  • Laytimi, A.; Grimes, C.; Bolsen, K.K. (Kansas Agricultural Experiment Station, 2012-10-04)
    Third cutting alfalfa was baled in large I-ton rectangular bales and in small conventional bales at three moisture levels, low (10%), medium (16%), and high (22%). During 120 days of storage under a roof, the high-moisture, ...
  • Reddy, P.G.; Morrill, J.L.; Minocha, H.C.; Frey, R.A. (Kansas Agricultural Experiment Station, 2012-10-04)
    Blood serum from Holstein calves supplemented with vitamin E at levels of 2800 mg orally or 1400 mg by injection at weekly intervals inhibited replication of Infectious Bovine Rhinotracheitis Virus in tissue cultures. ...
  • Jacques, K.A.; Axe, D.E.; Harris, T.R.; Harmon, D.L.; Bolsen, K.K.; Johnson, D.E. (Kansas Agricultural Experiment Station, 2012-10-04)
    One percent sodium bicarbonate (NaHCo3) increased intake of a 50% silage - 50% grain diet, but had no effect on intake of a full-feed sorghum silage diet. The addition of concentrate (rolled milo) slightly lowered rumen ...
  • Call, Edward P. (Kansas Agricultural Experiment Station, 2012-10-04)
    An analysis of 41,426 cows in 635 Kansas Holstein herds indicated that considerable improvement can be made in genetic gain by more stringent sire selection and greater use of proved bulls. The generation interval in ...
  • Call, Edward P. (Kansas Agricultural Experiment Station, 2012-10-04)
    Profit or loss in the dairy enterprise is dependent upon yearly production per cow and degree of capitalization. Higher producing cows convert feed into milk more efficiently. Cows of similar body size have similar ...
  • Shirley, John E.; Lagombra, G.G. (Kansas Agricultural Experiment Station, 2012-10-04)
    The reproductive performance of 179 Holstein cows during the period from December 1978 through March 1984 was evaluated with respect to environmental temperature and humidity at the time of insemination. This study was ...
  • Shirley, John E.; Evans, J. (Kansas Agricultural Experiment Station, 2012-10-04)
    Interplanted soybean (l00 to 120 lbs/acre) and grain sorghum (15 to 20 lbs/acre) were harvested at 64,88,102, 123, and 130 days postplanting to determine the ratio and chemical composition of vegetative and seed parts ...
  • Shirley, John E.; Koger, J. (Kansas Agricultural Experiment Station, 2012-10-04)
    Soybeans interseeded with grain sorghum (soy-sorghum) was compared to corn silage as a silage crop for ruminant animals over a 3-year period. Results indicate that DM yields are comparable if soy-sorghum is seeded early ...
  • Dunham, James R. (Kansas Agricultural Experiment Station, 2012-10-04)
    The rate of spontaneous recovery from subclinical mastitis was evaluated in 56 Kansas. DHI herds participating in the Somatic Cell Count (SCC) program. Herds were classified as low (>300,000) or high (>600,000) based on ...
  • Call, Edward P.; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station, 2012-10-04)
    An analysis of 635 Kansas Holstein herds with 41,426 cows indicated that the negative genetic antagonism between production and reproduction can be overcome with good management practices. As rolling herd average increased, ...
  • Nagaraja, T. G.; Katz, M.P.; Fina, L.R. (Kansas Agricultural Experiment Station, 2012-10-04)
    Monensin at 300 mg and 450 mg per 1000 lbs body weight reduced the severity of alfalfa pasture bloat by 41.2 and 73.1 %, respectively. Lasalocid at the same levels reduced the bloat score by 25.5 and 12.4%. The difference ...
  • Bolsen, K.K.; Hoover, J.D. (Kansas Agricultural Experiment Station, 2012-10-04)
    Silage additives are receiving fairly widespread acceptance in the U.S. as management tools that are important for silage-making. Many products, which are added to the crop at the time of harvest or ensiling, are available ...

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