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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

In periparturient dairy cows, immune suppression, resulting in decreased neutrophil numbers and function, leads to increased susceptibility to postpartum conditions such as mastitis, retained placenta, and metritis. Administration of polyethylene glycol-conjugated bovine granulocyte colony...

Author(s)
Tombácz, K.; Peters, L. M.; Chang, Y. M.; Steele, M.; Werling, D.; Gibson, A. J.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 10, pp 9389-9395
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

Retained placenta (RP) occurs frequently in dairy cattle but little is known about the pathogenic or prognostic role of the hematological changes in this disease. This retrospective study was designed to investigate the hematological changes associated with RP in the immediate post-partum period...

Author(s)
Moretti, P.; Probo, M.; Morandi, N.; Trevisi, E.; Ferrari, A.; Minuti, A.; Venturini, M.; Paltrinieri, S.; Giordano, A.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2015, 152, pp 17-25
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 objective was to evaluate the associations of pre- and postpartum lying time (LT) with serum total calcium (Ca), nonesterified fatty acids (NEFA), β-hydroxybutyrate (BHB), and haptoglobin concentrations, hemogram, and health status of dairy cows. A total of 1,052 Holstein cattle (401...

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 3348-3361
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

Two data files consisting of 3278 (one herd) and 4393 lactations (three herds) were used to characterize milk production of high-yielding Holstein cows milked three times per day and experiencing extended lactations (up to 1399 days) in a hot environment. Additional objectives were to identify risk ...

Author(s)
Mellado, M.; Flores, J. M.; Santiago, A. de; Veliz, F. G.; Macías-Cruz, U.; Avendaño-Reyes, L.; García, J. E.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Livestock Science, 2016, 189, pp 50-55
Abstract

The aim of this cross-sectional study was to describe the incidence risk of dystocia, retained placenta (RP), pathological recumbence (down cow), the prevalence of metritis and subclinical ketosis (SCK), and the risk factors for SCK, metritis, and RP in grazing dairy herds in Southern Brazil....

Author(s)
Daros, R. R.; Hötzel, M. J.; Bran, J. A.; LeBlanc, S. J.; Keyserlingk, M. A. G. von
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2017, 145, pp 16-22

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