Prevalence of intramammary infection in Dutch dairy herds

The Journal of Dairy Research
O C SampimonTheo Lam

Abstract

A survey was carried out in 2003 in 49 dairy herds to determine the overall and pathogen-specific prevalence of intramammary infection (IMI) in Dutch dairy herds, and to compare the distribution with four studies performed from 1973 to 1985 in The Netherlands. Herds were randomly selected stratified over the 12 Dutch provinces, had at least 40 lactating cows and participated in the Dutch milk recording system. Quarter milk samples were collected from all 408 cows with a somatic cell count (SCC) >or=250,000 cells/ml and 145 heifers with SCC >or=150,000 cells/ml at the last milk test before the farm visit. Additionally, samples were collected from 519 (approximately 25%) of the remaining low-SCC cows and heifers with a SCC at the last milk test before the farm visit of <250 000 and <150 000 cells/ml, respectively. Bacterial growth occurred in 37.3% of milk samples of high-SCC cows and in 21.1% of low-SCC cows. Coagulase-negative staphylococci (CNS) were the most frequently isolated group of bacteria (10.8% of quarters) and were found in all herds. Prevalence of Staphylococcus aureus IMI was lower in 2003 than in 1973, respectively 1.8% and 6.2% of quarters. Prevalence of Streptococcus uberis and Str. dysgalactiae IMI was almost t...Continue Reading

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Citations

May 11, 2010·The Journal of Dairy Research·Otlis SampimonTheo Lam
Oct 4, 2012·Animal : an International Journal of Animal Bioscience·G LeitnerG Katz
Dec 19, 2012·BMC Microbiology·Vincent P RichardsMichael J Stanhope
Nov 12, 2013·BMC Veterinary Research·Silja Avall-JääskeläinenSuvi Taponen
Feb 9, 2011·Acta Veterinaria Scandinavica·Piret KalmusKalle Kask
May 28, 2013·The Veterinary Quarterly·Herman W BarkemaRuth N Zadoks
Jun 6, 2012·The Veterinary Clinics of North America. Food Animal Practice·Greg Keefe
Aug 11, 2010·Preventive Veterinary Medicine·Richard G M Olde RiekerinkDave F Kelton
Dec 4, 2012·Journal of Dairy Science·T L GilchristM C Fontaine
Jan 1, 2013·Diagnostic Microbiology and Infectious Disease·Praseeda AjitkumarJeroen De Buck
Sep 22, 2010·Journal of Dairy Science·A Ceballos-MarquezJ J Wichtel
Jul 4, 2016·Journal of Dairy Science·Olivier SamsonRuth Zadoks
Sep 19, 2009·Journal of Dairy Science·H W BarkemaR N Zadoks
May 27, 2017·Acta Veterinaria Scandinavica·Johanna VakkamäkiSatu Pyörälä
Oct 31, 2017·Transboundary and Emerging Diseases·I C Klaas, R N Zadoks
Oct 3, 2019·Scientific Reports·Claudia G Cobo-AngelAlejandro Ceballos-Marquez
Aug 23, 2019·Foodborne Pathogens and Disease·Arne Schnitt, Bernd-Alois Tenhagen
Nov 29, 2020·Journal of Dairy Science·Saranya G NarayanaHerman W Barkema
Jul 6, 2021·Journal of Dairy Science·Pascal RainardGilles Foucras

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