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Abstract

The objective of this study was to assess the effects of electrochemically activated drinking water (ECW) on milk chlorate, milk perchlorate, milk iodine, milk composition, milk fatty acid profile, and overall performance of dairy cows. Ten Red Danish cows in mid-lactation (203±31 d in milk;...

Author(s)
Vargas-Bello-Pérez, E.; Dhakal, R.; Nielsen, M. O.; Ahrné, L.; Hansen, H. H.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2020, 103, 2, pp 1208-1214
AbstractFull Text

Aim: This study aimed to evaluate and quantify the different factors affecting the costs of mastitis in cattle, to quantify the annual and monthly financial losses attributed to mastitis, and to estimate production losses using average linear scores found on The Dairy Herd Improvement Association...

Author(s)
Azooz, M. F.; El-Wakeel, S. A.; Yousef, H. M.
Publisher
Veterinary World, Wankaner, India
Citation
Veterinary World, 2020, 13, 9, pp 1750-1759
Abstract

In dairy cattle infected with bovine leukemia virus (BLV), the proviral load (PVL) level is directly related to the viral transmission from infected animals to their healthy herdmates. Two contrasting phenotypic groups can be identified when assessing PVL in peripheral blood of infected cows. A...

Author(s)
Petersen, M. I.; Carignano, H. A.; Archilla, G. S.; Caffaro, M. E.; Alvarez, I.; Miretti, M. M.; Trono, K.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2021, 104, 2, pp 1993-2007
AbstractFull Text

The goal of this paper is to evaluate the production efficiency of dairy farms in the North West region of Tunisia and to determine which factors significantly affect the farming performance. The Data Envelopment Analysis approach was used in a first step to measures farms efficiency scores of 32...

Author(s)
Abdelhafidh, H.; Mhimdi, K. E.; Bouzazi, M.
Publisher
Sunblo LC, Monastir, Tunisia
Citation
Journal of New Sciences, 2019, 62, pp 3940-3945
Abstract

Enzootic bovine leukosis (EBL) is an economically important disease of dairy cattle caused by bovine leukemia virus (BLV). The economic impacts of the infection have been debated in the literature. The present study was conducted to determine the lifetime effects of BLV infection on longevity and...

Author(s)
Nekouei, O.; VanLeeuwen, J.; Stryhn, H.; Kelton, D.; Keefe, G.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2016, 133, pp 1-9
Abstract

Consumers perceive pasture-based systems of milk production as natural and therefore better for cow welfare than confinement systems. However both systems are heterogeneous and continually evolving, varying from total confinement to total pasture with many hybrid intermediaries. To compare the...

Author(s)
Mee, J. F.; Boyle, L. A.
Publisher
Taylor & Francis, Melbourne, Australia
Citation
New Zealand Veterinary Journal, 2020, 68, 3, pp 168-177
AbstractFull Text

Bovine mastitis, one of the main diseases of dairy herds, is characterized by an inflammatory process in the udder. The economic and environmental impacts, as well as the residues of antimicrobial drugs have stimulated the research of novel alternative treatments for the prevention and treatment of ...

Author(s)
Gimenes, G. C.; Dias, E. H.; Dias, S. H. F.; Bastos, G. L.; Gerbasi, A. R.; Almada, A. F. B.; Borges, J. L.; Gonçalves, D. D.; Simões, J. V. M.; Piau Júnior, R.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2020, 72, 4, pp 1441-1448
Abstract

The objectives of this study were to characterize the epidemiology of subclinical hypocalcemia (SCH) in Holstein dairy cows by assessing the temporal associations of plasma Ca concentrations in the first 4 d in milk (DIM) with the risk of cows being diagnosed with metritis or displaced abomasum (or ...

Author(s)
Neves, R. C.; Leno, B. M.; Bach, K. D.; McArt, J. A. A.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 10, pp 9321-9331
Abstract

Transition milk is a source of immunoglobulin G (IgG) and could potentially be used to provide calves with passive immunity, when the IgG concentration is ≥50 g/L. Assessment of IgG concentrations in transition milk would be required before feeding and could be conducted using cow-side tests such...

Author(s)
Rayburn, M. C.; Chigerwe, M.; Barry, J.; Kennedy, E.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 8, pp 7459-7463
Abstract

Organic dairy production differs from conventional dairy production in many aspects. However, breeding programs for the 2 production systems are the same in most countries. Breeding goals (BG) might be different for the 2 production systems and genotype × environment interaction may exist between...

Author(s)
Slagboom, M.; Hjortø, L.; Sørensen, A. C.; Mulder, H. A.; Thomasen, J. R.; Kargo, M.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2020, 103, 7, pp 6332-6345

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