Results 51 to 60 of about 10,871 (266)

Dry Period or Early Lactation—Time of Onset and Associated Risk Factors for Intramammary Infections in Dairy Cows

Pathogens, 2021
The aim of this study was to define the time-related period of intramammary infections and its relation to risk factors for intramammary infections and clinical mastitis at cow and quarter levels. In total, 269 German Holstein Frisian dairy cows on three
Julia Nitz, Nicole Wente, Yanchao Zhang, Doris Klocke, Martin tho Seeth, Volker Krömker   +5 more
doaj   +1 more source

Oral supplementation of medium-chain fatty acids during the dry period supports the neutrophil viability of peripartum dairy cows [PDF]

, 2013
A randomised clinical trial was conducted to explore the effect of orally supplemented medium-chain fatty acids (MCFA) to heifers and cows starting 6-8 weeks prior to expected calving date on blood and milk polymorphonuclear neutrophilic leucocyte (PMNL)
De Vliegher, Sarne, Piepers, Sofie
core   +2 more sources

Characterization of Antibiotic and Biocide Resistance Genes and Virulence Factors of Staphylococcus Species Associated with Bovine Mastitis in Rwanda [PDF]

, 2020
The present study was conducted from July to August 2018 on milk samples taken at dairy farms in the Northern Province and Kigali District of Rwanda in order to identify Staphylococcus spp. associated with bovine intramammary infection.
Antók, Fruzsina Irén, Ehling-Schulz, Monika, Ehricht, Ralf, Feßler, Andrea T., Fischer, Otto, Grunert, Tom, Keinprecht, Helga, Lepuschitz, Sarah, Loncaric, Igor, Marbach, Helene, Masengesho, Jean Claude, Mayrhofer, Rosa, Monecke, Stefan, Nyirimbuga, Vedaste, Ruppitsch, Werner, Schwarz, Stefan, Spergser, Joachim   +16 more
core   +2 more sources

Isolation and identification of bacterial causes of clinical mastitis in cattle in Sulaimania region [PDF]

Iraqi Journal of Veterinary Sciences, 2008
A total of 51 cases of bovine clinical mastitis in Sulaimani district were investigated for their bacteriological causative agents; 76 milk samples were cultured on primary and selective media and the isolated bacteria were tested for their ...
S. A. Hussein
doaj  

Risk factors for postcalving intramammary infection with Mycoplasma species in first-lactation cows on a conventional dairy farm: A retrospective case control study

JDS Communications
Mycoplasma spp. are highly contagious bacteria that cause chronic, subclinical infections in dairy cattle and are intrinsically resistant to many antimicrobials.
Alejandra Zapata-Salazar, Matthias Wieland, Francisco A. Leal Yepes   +2 more
doaj   +1 more source

Prevalence and Bacterial Etiology of Subclinical Mastitis in Dairy Cows in Al Sulaimaniyah District

Kufa Journal for Veterinary Medical Sciences, 2012
    Comprehensive data regarding subclinical mastitis in dairy cows are essential for implementation of an appropriate control programs for this economically significant disease Such data are unavailable in Al Sulaimaniyah district in Iraqi Kurdistan ...
Suha A. Hussein
doaj   +1 more source

Internal Teat Sealant Administered at Drying off Reduces Intramammary Infections during the Dry and Early Lactation Periods of Dairy Cows

Animals, 2020
The effect of an internal teat sealant (ITS) on subsequent infection of the mammary gland was evaluated on the following mammary gland health indicators: (a) bacteriological cure of preexisting intramammary infections at drying off, (b) risk of ...
Gustavo Freu, Tiago Tomazi, Camylla Pedrosa Monteiro, Melina Melo Barcelos, Bruna Gomes Alves, Marcos Veiga dos Santos   +5 more
doaj   +1 more source

Moving towards the immunodiagnosis of staphylococcal intramammary infections

European Journal of Clinical Microbiology & Infectious Diseases, 2014
Bovine mastitis is the primary disease of dairy cattle that has a great impact on the dairy industry. It is estimated that worldwide economic losses due to mastitis range between US$82 and US$131 per cow/year. A fast and efficient diagnosis of the disease remains a major bottleneck that directly influences the speed with which treatment decisions and ...
M H, Fabres-Klein, A P, Aguilar, M P, Silva, D M, Silva, A O B, Ribon   +4 more
openaire   +3 more sources

Brote de mastitis clínica por Corynebacterium spp. y Streptococcus dysgalactiae en cabras en Salta, Argentina [PDF]

RIA: Revista Investigaciones Agropecuarias, 2014
Intramammary infections are a serious problem for goat’s milk production worldwide. Staphylococcus spp. are the most prevalent pathogens responsible for intramammary infection in small ruminants; however, there is only little information about goat ...
Micheloud, J.F., Neder, V. , Nuovo, F., Suarez, V. H., Calviinho, L.   +4 more
doaj  

A Paradox in Bacterial Pathogenesis: Activation of the Local Macrophage Inflammasome Is Required for Virulence of Streptococcus uberis

Pathogens, 2020
Streptococcus uberis is a common cause of intramammary infection and mastitis in dairy cattle. Unlike other mammary pathogens, S. uberis evades detection by mammary epithelial cells, and the host–pathogen interactions during early colonisation are poorly
Nathan Archer, Sharon A. Egan, Tracey J. Coffey, Richard D. Emes, M. Filippa Addis, Philip N. Ward, Adam M. Blanchard, James A. Leigh   +7 more
doaj   +1 more source