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Dairy Day, 2013

Dairy Day, 2013

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Consumer acceptance of cysteine-enhanced yogurt

Bala, Soumya; Schmidt, Karen A. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2014-03-26)

Within cells, cysteine can be synthesized from methionine by the enzyme γ-cystathionase. Cysteine is then utilized to synthesize glutathione, which has many functions in cells that contribute to good health. Certain ...
Automated activity monitoring of estrus and time of ovulation

Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2014-03-26)

Detection of estrus can be facilitated by use of automated activity monitors that measure physical activity. Increased physical activity is largely correlated with estrus. Our objective was to determine when ovulation ...
Five-day resynch programs in dairy cows including controlled internal drug release at two stages post-artificial insemination

Pulley, Stephanie Leeann; Hill, Scott L.; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2014-03-26)

Two experiments were conducted to assess pregnancy outcomes after a 5-day Ovsynch-56 Resynch (RES; gonadotropin-releasing hormone injection 5 days before [GnRH-1; d 0] and 56 hours (GnRH-2) after PGF2α [PG] injections ...
Concentrations of luteinizing hormone and ovulatory responses in dairy cows before timed artificial insemination

Pulley, Stephanie Leeann; Keisler, D. H.; Hill, Scott L.; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2014-03-26)

The objective of this study was to determine the incidence of spontaneous and gonadotropinreleasing hormone (GnRH)-induced surges of luteinizing hormone (LH) and ovulatory responses in lactating dairy cows enrolled in a ...
Effects of chromium propionate and supplemental amino acids on dairy cattle performance near peak lactation

Vargas, Francisco J.; Yuan, Kai; Titgemeyer, Evan C.; Mamedova, Laman; Bradford, Barry J. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2014-03-26)

Feeding chromium in early lactation can increase milk production, but responses during peak lactation have not been studied. The objective of this study was to evaluate responses to chromium propionate during this period ...