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Journal of Dairy Science

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  1. Methane production, nutrient digestion, ruminal fermentation, N balance, and milk production of cows fed timothy silage- or alfalfa silage-b...

    Journal of Dairy Science 97(10):6463 (2014) PMID 25064648

    The objective of this study was to investigate the effects of changing forage source in dairy cow diets from timothy silage (TS) to alfalfa silage (AS) on enteric CH4 emissions, ruminal fermentation characteristics, digestion, milk production, and N balance. Nine ruminally cannulated lactating cows...
  2. Postpartum responses of dairy cows supplemented with n-3 fatty acids for different durations during the peripartal period.

    Journal of Dairy Science 97(10):6391 (2014) PMID 25064653

    We observed no differences among treatments for plasma concentrations of metabolites and hormones. The cows that were fed in the 3 n-3 FA treatments had larger ovulatory follicles compared with those fed the controlled diet. Treatments did not differ significantly in terms of the number of days open...
  3. A randomized trial to evaluate the effect of a trace mineral premix on the incidence of active digital dermatitis lesions in cattle.

    Journal of Dairy Science 97(10):6211 (2014) PMID 25087030

    A balanced, parallel-group, single-blinded randomized efficacy study divided into 2 periods was conducted to evaluate the effect of a premix containing higher than typically recommended levels of organic trace minerals and iodine (HOTMI) in reducing the incidence of active digital dermatitis (DD) le...
  4. Comparison of genomic predictions using genomic relationship matrices built with different weighting factors to account for locus-specific v...

    Journal of Dairy Science 97(10):6547 (2014) PMID 25129495

    Various models have been used for genomic prediction. Bayesian variable selection models often predict more accurate genomic breeding values than genomic BLUP (GBLUP), but GBLUP is generally preferred for routine genomic evaluations because of low computational demand. The objective of this study wa...
  5. Reconstituted yogurt from yogurt cultured milk powder mix has better overall characteristics than reconstituted yogurt from commercial yogur...

    Journal of Dairy Science 97(10):6007 (2014) PMID 25151880

    For manufacture of commercial yogurt powder, yogurt has to go through a drying process, which substantially lowers the yogurt culture counts, so the potential health benefits of the yogurt culture bacteria are reduced. Also, upon reconstitution, commercial yogurt powder does not taste like yogurt an...
  6. Short communication: evaluation of an automated in-house hematology analyzer for bovine blood.

    Journal of Dairy Science 97(9):5580 (2014) PMID 24997670

    The objective of this study was to evaluate the suitability of the V-Sight hematology analyzer (A. Menarini Pharma GmbH, Vienna, Austria) for bovine blood by a comparison with a reference device (Advia 2120i, Siemens AG, Erlangen, Germany). In total, 97 blood samples were obtained from 75 dairy cows...
  7. The role of sodium in the salty taste of permeate.

    Journal of Dairy Science 97(9):5356 (2014) PMID 25022679

    Many food companies are trying to limit the amount of sodium in their products. Permeate, the liquid remaining after whey or milk is ultrafiltered, has been suggested as a salt substitute. The objective of this study was to determine the sensory and compositional properties of permeates and to deter...
  8. Bovine colostrum: changes in lipid constituents in the first 5 days after parturition.

    Journal of Dairy Science 97(8):5065 (2014) PMID 24931528

    Despite the great interest paid to protein components in colostrum, fat also plays an important role in the supply of essential nutrients to provide energy, increase metabolism, and protect the newborn calf against microbial infections. This work aimed to elucidate levels of different fat components...
  9. Effect of early or late resynchronization based on different methods of pregnancy diagnosis on reproductive performance of dairy cows.

    Journal of Dairy Science 97(8):4932 (2014) PMID 24931532

    The aim of this study was to compare the reproductive performance of dairy cows subjected to early (ER) or late (LR) resynchronization programs after nonpregnancy diagnoses based on either pregnancy-associated glycoproteins (PAG) ELISA or transrectal palpation, respectively. In addition, the accurac...
  10. Shreddability of pizza Mozzarella cheese predicted using physicochemical properties.

    Journal of Dairy Science 97(7):4097 (2014) PMID 24792787

    This study used rheological techniques such as uniaxial compression, wire cutting, and dynamic oscillatory shear to probe the physical properties of pizza Mozzarella cheeses. Predictive models were built using compositional and textural descriptors to predict cheese shreddability. Experimental chees...