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Article published the August 17, 2017
When addressing mycotoxin issues the fact that multiple ingredients make up a dairy cattle diet can be viewed both positively and negatively. Multiple feeds dilute the toxins from any given feed, resulting in a safer diet. On the other hand, since the effect of toxins can be additive, if there are multiple contaminated feeds, toxicity of individual feeds will be compounded. This article addresses ...
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Article published the January 13, 2017
INTRODUCTION Today’s dairy farms are changing dynamically, with increasing herd size and more hired employees. On larger U.S. farms, there is a reliance on non-family immigrant or contract laborers. Latinos have surpassed African-Americans as the nation’s largest minority group, constituting 17% of the U.S. total population in 2014 (1). This is reflected within the dairy industry, an ...
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Article published the December 7, 2016
Background Carinata (Brassica carinata) is a new oilseed that shows great potential for the Midwest. This oilseed has been selectively bred for high oil concentration ideal for biofuels and bio-oil production. Carinata meal is the co-product resulting from the oil extraction of the seeds. This meal has high protein content (36-48% crude protein), highly degradable in the rumen, and with a total d ...
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Article published the December 2, 2014
Introduction  The objective of this article is to briefly describe the most common ethanol coproducts, how they are produced, and typical nutrient compositions. Rapid growth of the ethanol industry in the United States over the last decade has generated large quantities of ethanol coproducts, which are now commonly available as feedstuffs for livestock. These coproducts are often added to li ...
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News published on August 27, 2014
The Dairy Science Department at South Dakota State University is inviting applicants for the position of Manager of the Dairy Research and Training Facility. Responsibilities include management and coordination of the operations of the Dairy Research and Training Facility, which milks approximately 150 cows with potential for growth and renovation in the near future. Scheduling, coordinating, and ...
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Article published the July 15, 2014
Introduction Thermostasis is the process by which cows attempt to keep their body temperature constant in spite of changes in environmental temperatures. Heat stress occurs when the cow is incapable of dissipating enough heat to maintain its core body temperature below 101.3°F. This increase in body temperature results from the combination of heat from the environment and that produced intern ...
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Article published the July 11, 2014
Rumen acidosis results from an excessive acid load in the rumen not neutralized by salivary or feed buffers. Changes in physiology, metabolism, and behavior of heat-stressed cows increase their susceptibility to both sub-acute (SARA) and acute acidosis. Mishra et al. (1970) observed lower rumen pH when cows were fed 65% forage diets under warm, humid conditions (pH 6.1; 84.9F; 85% RH) compared to ...
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Participation in Forum on June 11, 2014
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Article published the June 10, 2014
Productivity and longevity of dairy cows are greatly influenced by proper nutrition programs. Human-animal interaction in larger dairies is limited, and ailments detection relies heavily on employees. Metabolic disorders and their complications such as hypocalcaemia, fatty liver, ketosis, displaced abomasum, acidosis, and laminitis may result from dietary inadequacies. Early veterinary attention i ...
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Article published the March 6, 2014
Hormones are normal constituents of milk that are a continuous topic of debate. Hormones are usually peptides or steroids produced in one tissue, transported by blood, to cause another target tissue or organ to modify growth, metabolism, or reproduction. Hormones are essential for growth in humans and animals and can be transferred in small amounts from the blood into milk. Table 1 below defines m ...
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Location:Brookings, South Dakota, United States
Profile: Academic / scientific
Occupation: Doctor of Veterinary Medicine
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