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Journal of Dairy Science

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  1. Effects of dry period length on milk production, body condition, metabolites, and hepatic glucose metabolism in dairy cows.

    Journal of Dairy Science 98(3):1772 (2015) PMID 25547307

    Dry period (DP) length affects energy metabolism around calving in dairy cows as well as milk production in the subsequent lactation. The aim of the study was to investigate milk production, body condition, metabolic adaptation, and hepatic gene expression of gluconeogenic enzymes in Holstein cows (...
  2. Effect of corn silage particle size and supplemental hay on rumen pH and feed preference by dairy cows fed high-starch diets.

    Journal of Dairy Science 98(1):373 (2015) PMID 25465541

    The objectives of this experiment were to determine the effects of corn silage particle size and supplemental hay on rumen pH and feed preference in lactating dairy cows experiencing a bout of subacute ruminal acidosis (SARA). In this study, 12 lactating (8 ruminally cannulated), multiparous Holstei...
  3. Short communication: Chemical composition, fatty acid composition, and sensory characteristics of Chanco cheese from dairy cows supplemented...

    Journal of Dairy Science 98(1):111 (2015) PMID 25465558

    Lipid supplements can be used to alter fatty acid (FA) profiles of dairy products. For Chanco cheese, however, little information is available concerning effects of lipid supplements on sensorial properties. The objective of this study was to examine effects of supplementation of dairy cow diets wit...
  4. Short communication: Genetic relationships of milk coagulation properties with body condition score and linear type traits in Holstein-Fries...

    Journal of Dairy Science 98(1):685 (2015) PMID 25465560

    Milk coagulation properties (MCP) are gaining popularity among dairy cattle producers and the improvement of traits associated with MCP is expected to result in a benefit for the dairy industry, especially in countries with a long tradition in cheese production. The objectives of this study were to...
  5. Sampling location, herd size, and season influence Mycobacterium avium ssp. paratuberculosis environmental culture results.

    Journal of Dairy Science 98(1):275 (2015) PMID 25465568

    We inferred that collectors had difficulties accessing certain areas in winter. Substitution of sample locations with others had minor effect on the sensitivity of sample sets containing 6 samples. However, set composition had an effect on the sensitivity of sample sets containing only 2 samples. In...
  6. Short communication: Antiproliferative effect of 8 different Lactobacillus strains on K562 cells.

    Journal of Dairy Science 98(1):106 (2015) PMID 25465570

    Some strains of Lactobacillus genus have antiproliferative activities against cancer cells. However, until now, the exact effector molecules of Lactobacillus strains with anticancer activity have not been identified. The aim of the present study was to explore which fraction of the Lactobacillus cel...
  7. The effect of trace mineral source and concentration on ruminal digestion and mineral solubility.

    Journal of Dairy Science 98(1):566 (2015) PMID 25465635

    The objective of this experiment was to compare the effect of sources of sulfate trace mineral (STM) and hydroxy trace mineral (HTM) at different inclusions on digestibility of dry matter (DM) and neutral detergent fiber and solubility of Cu, Mn, and Zn in the rumen and abomasum of cattle. Five rumi...
  8. Comparison of single-trait to multi-trait national evaluations for yield, health, and fertility

    Journal of Dairy Science 97(12):7952 (2014) PMID 25282421

    Flexible software was designed to replace the current animal model programs used for national genetic evaluations. Model improvements included (1) multi-trait processing, (2) multiple fixed class and regression variables, (3) differing models for different traits, (4) random regressions, a...
  9. Optimizing the design of small-sized nucleus breeding programs for dairy cattle with minimal performance recording

    Journal of Dairy Science 97(12):7963 (2014) PMID 25282422

    Dairy cattle breeding programs in developing countries are constrained by minimal and erratic pedigree and performance recording on cows on commercial farms. Small-sized nucleus breeding programs offer a viable alternative. Deterministic simulations using selection index theory were perfor...
  10. Publisher’s Note
    Author(s) unavailable

    Journal of Dairy Science 97(12):8008 (2014)