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Dairy Day, 1984
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Browsing Dairy Day, 1984 by Title

Browsing Dairy Day, 1984 by Title

Now showing items 1-13 of 13

Bioavailability of alfalfa calcium

Harbers, L.H.; Ward, G.M.; Dayton, A.D. (Kansas Agricultural Experiment Station, 2012-10-04)

The availability of oxalate and non-oxalate calcium in alfalfa was determined using a chick assay. Oxalate-bound calcium was found to contribute only 16% as much influence as nonoxalate calcium. The nonoxalate calcium ...
Development of an early weaning program for dairy calves

Morrill, J.L.; Dayton, A.D.; Zmolek, A.J.; Vitcenda, M.A. (Kansas Agricultural Experiment Station, 2012-10-12)

After preliminary experiments, four trials were conducted to develop and test a new feeding program for calves. The program involves the use of a special feed (a prestarter) to encourage calves to eat dry feed and to ...
Effect of niacin supplementation on milk production and ketosis of dairy cattle

Dufva, G.; Bartley, E.; Dayton, A.; Riddell, D. (Kansas Agricultural Experiment Station, 2012-10-04)

Two lactation trials were undertaken to evaluate the effect of a niacin supplement on milk production and 'the physiological symptoms of ketosis. Blood ketone and non-esterified fatty acid levels were lower and blood ...
Effect of processing temperature on utilization of whole soybeans by young calves

Abdelgadir, I.E.O.; Morrill, J.L.; Stutts, J.A.; Morrill, B.; Johnson, D.E.; Behnke, Keith C. (Kansas Agricultural Experiment Station, 2012-10-04)

Two trials were conducted to determine the optimum conditions for processing whole soybeans for young calves. In the first trial, laboratory procedures and a nitrogen balance study were used. This information was used ...
Effect of supplemental Vitamin E on the performance, metabolic profiles, and immune responses of dairy calves.

Reddy, P.G.; Morrill, J.L.; Minocha, H.C.; Morrill, M.B.; Galitzer, S.J.; Frey, R.A.; Dayton, A.D. (Kansas Agricultural Experiment Station, 2012-10-04)

Forty-six Holstein heifer calves were used from birth to 3 rno to study the effect of supplemental vitamin E at 1400 or 2800 mg dl-a.-tocopherol acetate given orally at weekly intervals or 1400 mg dl-a-tocopherol by ...
Effects of various feeding, breeding and management practices on milk production

Dunham, James R. (Kansas Agricultural Experiment Station, 2012-10-04)

The March 1984 DHI summary of Kansas Holstein herds shows some interesting correlations of various feeding, breeding, and management factors to production (Table 1). The Rolling Herd Average (RBA) is an excellent evaluation ...
Evaluation of an early weaning program for dairy calves

Morrill, J.L.; Schmidt, M.K.; Cullen, A.J.; Morrill, M.B. (Kansas Agricultural Experiment Station, 2012-10-04)

One experiment was conducted to compare an early weaning program, using a prestarter , when calves were weaned at 2 or 3 wk of age with programs using conventional feeds and weaning at 3 or 6 wk of age. Daily gains to 8 ...
Evaluation of raw and processed full-fat soybeans for high-producing dairy cows

Ward, G.M.; Morrill, J.L.; Morrill, M.B.; Dayton, A.D. (Kansas Agricultural Experiment Station, 2012-10-04)

Rations containing either soybean meal, raw full-fat soybeans, or processed soybeans were compared using 36 high-producing dairy cows in early lactation. The processed soybeans were heated in a California Pellet Milt ...
Factors affecting estrus and fertility of Holstein heifers after prostaglandin F2α

Stevenson, Jeffrey S.; Schmidt, M.K.; Call, Edward P. (Kansas Agricultural Experiment Station, 2012-10-04)

Stage of the estrous cycle, time of insemination, and season of the year were examined for their influence on estrus and fertility of 223 Holstein heifers after prostaglandin F2α(PGF). Heifers given PGF early in the ...
Gonadotropin-releasing hormone and conception of Holstein cows

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 ...
Immunoglobulin concentrations in serum and nasal secretions of calves at the onset of pneumonia

Corbeil, L.B.; Watt, B.; Corbeil, R.R.; Betzen, T.G.; Brownson, R.K.; Morrill, J.L. (Kansas Agricultural Experiment Station, 2012-10-04)

Immunoglobulin (Ig) concentrations in serurn and in nasal secretions were correlated with pneumonia and diarrhea during the first 12 wk of life of dairy calves. The peak onset of pneumonia occurred between 2 and 4 wk of ...
Prostaglandin F2α for lactating dairy cows with silent estrus

Plunkett, S.S.; Stevenson, Jeffrey S.; Call, Edward P. (Kansas Agricultural Experiment Station, 2012-10-04)

Two experiments were conducted in 17 dairy herds in NE Kansas to determine the effectiveness of prostaglandin F2α (PGF) for reducing intervals to conception for cows with silent or unobserved estrus. Cows that failed to ...
Relationship between production and reproduction in 5,480 Holstein herds enrolled in the Midstates Processing Center.

Call, Edward P.; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station, 2012-10-04)

Reproductive parameters were evaluated in 5,480 Holstein herds involving 335,673 cows to determine the reported negative genetic effect of production on reproduction. While higher producing herds had a slight decline in ...