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Abstract

Dairy cows suffer blood Ca losses as lactation begins and might be affected by hypocalcemia in its clinical (total serum Ca concentration <1.50 mM) or subclinical form (total serum Ca concentration ≤2.14 mM). Several studies have suggested that hypocalcemia is associated with different health problems of...

Author(s)
Rodríguez, E. M.; Arís, A.; Bach, A.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 9, pp 7427-7434
Abstract

Body condition loss during early lactation varies among cows in the herd and is associated with future health and reproductive outcomes. The objective of this study was to gain a greater understanding of the relationship between previous calving interval and body condition change during the first...

Author(s)
Middleton, E. L.; Minela, T.; Pursley, J. R.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 6, pp 5577-5587
Abstract

The genetic correlations (ra) of milk lactose percentage (LP), lactose yield (LY), and ratios of LP to other milk solids with udder, metabolic, and fertility disorders have not been assessed in dairy cattle so far. To evaluate the potential role of milk lactose as indicator of cow health, 142,285...

Author(s)
Costa, A.; Egger-Danner, C.; Mészáros, G.; Fuerst, C.; Penasa, M.; Sölkner, J.; Fuerst-Waltl, B.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 5, pp 4238-4248
Abstract

The objectives were to evaluate the associations of lying time (LT) during the first 14 d in milk (DIM) with milk yield, cyclicity (CYC), culling within 60 DIM (CULL), and reproductive performance of lactating dairy cows. A total of 1,052 Holstein cattle (401 nulliparous heifers and 651 parous ...

Author(s)
Piñeiro, J. M.; Menichetti, B. T.; Barragan, A. A.; Relling, A. E.; Weiss, W. P.; Bas, S.; Schuenemann, G. M.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 4, pp 3362-3375
Abstract

Intense lipolysis triggers an inflammatory response within adipose tissue characterized by adipose tissue macrophage (ATM) infiltration; however, the mechanisms triggering this process are poorly characterized in transition dairy cows. The aim of this study was to determine the association between...

Author(s)
Koster, J. de; Strieder-Barboza, C.; Souza, J. de; Lock, A. L.; Contreras, G. A.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 8, pp 7608-7613
Abstract

The objective of this study was to estimate the effects of pathogen-specific clinical mastitis (CM), occurring in different weekly intervals before or after artificial insemination (AI), on the probability of conception in Holstein cows. Clinical mastitis occurring in weekly intervals from 6 wk...

Author(s)
Hertl, J. A.; Schukken, Y. H.; Welcome, F. L.; Tauer, L. W.; Gröhn, Y. T.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2014, 97, 11, pp 6942-6954
Abstract

The aim of this study was to assess the welfare and production of cows given an analgesic drug (carprofen, 1.4 mg/kg i.v.) within 6 h after calving. The study was performed in a dairy farm with approximately 1,000 milking cows. Behavior, clinical indices, and production data (milk yield and...

Author(s)
Stilwell, G.; Schubert, H.; Broom, D. M.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2014, 97, 2, pp 888-891

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