Survey on small ruminant bacterial mastitis in Italy, 2013–2014

Dore, Simone; Liciardi, Manuele; Amatiste, Simonetta; Bergagna, Stefania; Bolzoni, G.; Caligiuri, Vincenzo; Cerrone, Anna; Farina, Giovanni; Montagna, Cosimo; Saletti, Maria Antonietta; Scatassa, Maria Luisa; Sotgiu, Giovanni; Cannas, Eugenia Agnese

doi:10.1016/j.smallrumres.2016.07.010

Cited by 56 publications

(45 citation statements)

References 7 publications

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“…The prevalence of subclinical mastitis found in this study was 28%, in agreement with other study conducted in Brazil, the Southeast region by Gomes et al (2014) and the northeastern region by Bianchini et al (2010) and Peixoto et al (2012). In Italy, Dore et al (2016) also found the similar prevalence. All of these studies were performed with goats of the same breeds and with a similar breeding system.…”

Section: Discussionsupporting

confidence: 93%

Mastitis in dairy goats from the state of Minas Gerais, Brazil: profiles of farms, risk factors and characterization of bactéria

et al. 2018

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The Zona da Mata of Minas Gerais has a specialized goat milk production chain. Goat milk is superior in quality compared with milk of other domestic species, and the demand for milk and milk products for the public has increased. Data on dairy goat breeding in Minas Gerais are scarce and relatively old, and this lack of information has limited the implementation of prophylactic measures, especially for mastitis, which represents the biggest sanitary problem for dairy herds. The objective of this work was to characterize mastitis and bacteria associated with it in milking goats in the Zona da Mata of Minas Gerais. It also causes socioeconomic problems and market issues for dairy goat farming. A total of 539 lactating goats were examined and 268 individual samples (one for teat) were collected from animals positive for strip cup test and/or the California Mastitis Test (CMT). Microbiological cultures were carried out on blood agar medium and the bacteria were subjected to phenotypic, genotypic and antimicrobial susceptibility tests. The prevalence of subclinical mastitis was 28.0% and the clinical prevalence was 2.8%. Bacterial multiplication was obtained in 62% of samples. One hundred eighty seven total bacteria were identified. The most common species identified was Staphylococcus aureus (60%), followed Staphylococcus epidermidis (9.1%,), Escherichia coli (6.9%), Staphylococcus saprophyticus (5.9%) e Staphylococcus caprae (4.3%). Bacteria of the genus Staphylococcus presented a profile of resistance to antimicrobials belonging to the beta-lactam class (penicillin, ampicillin and oxacillin) in addition to tetracycline, in contrast to the other antimicrobials tested. Twelve percent of multidrug resistence (MDR) was found in five microregions. Among the bacteria with the highest prevalence of MDR, 38.5% were E. coli and 10.6% were S. aureus. The producers of the Zona da Mata of Minas Gerais are technicians who work with specialized dairy breeds and practise good management. However, some measures related to prophylaxis and control of diseases, such as vaccination, have low adherence or are not performed due to a lack of veterinary assistance. This is the first study focusing on this region, which is highly prominent in goat milk production in Brazil. It provides important information that can help in the implementation of measures for the prophylaxis and control of diseases, and for maintenance of a constant supply of products in sufficient quantities and of a quality suitable for the consumer population.

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Section: Discussionsupporting

confidence: 93%

Mastitis in dairy goats from the state of Minas Gerais, Brazil: profiles of farms, risk factors and characterization of bactéria

et al. 2018

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“…Also, an infected quarter with a bacterial concentration below 100cfu/ml which would cause the bacteria to be shed intermittently; white blood cells in the milk may also have engulfed and sequestered bacteria preventing isolation or some other mastitis causing pathogens such as viruses and fungi may have accounted for the high number of culture negative samples (NMC, 2014). The result of this study is lower than the result of Wang et al (Dore et al, 2016;Makau et al, 2017). This could be linked to the wide distribution of S. aureus inside the mammary glands and the skin of teats and udders (Mahlangu et al, 2018) and the fact that the organism has adapted to survive in the udder to establish chronic and subclinical infections (Mahlangu et al, 2018).…”

Section: Resultscontrasting

confidence: 86%

Occurrence of mastitis and methicillin resistant <i>Staphylococcus aureus</i> in goats in Zaria, Kaduna State, Nigeria

Udoh¹,

Kwaga²,

Umoh³

et al. 2019

Nig. Vet. J.

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“…The prevalence of S. aureus mastitis has been reduced in countries or regions that implement the standard mastitis prevention programme (Neave et al, 1969). Nevertheless, because of imperfect or discontinued implementation and of resistance of the bacteria to treatment, the prevalence of S. aureus mastitis in cows and small ruminants remains consequent in many countries (Botrel et al, 2010;Contreras et al, 2007;Dore et al, 2016;Tenhagen, Koster, Wallmann, & Heuwieser, 2006;USDA-APHIS, 2008).…”

Section: Geographic Distribution and Spreadmentioning

confidence: 99%

Knowledge gaps and research priorities inStaphylococcus aureusmastitis control

Rainard

Foucras

Fitzgerald

et al. 2017

Transbound Emerg Dis

155

179

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SummaryThis study assessed knowledge gaps and suggested research priorities in the field of Staphylococcus aureus mastitis. Staphylococcus aureus infecting the mammary gland remains a major problem to the dairy industry worldwide because of its pathogenicity, contagiousness, persistence in the cow environment, colonization of skin or mucosal epithelia, and the poor curing efficacy of treatments. Staphylococcus aureus also constitutes a threat to public health due to food safety and antibiotic usage issues and the potential for bidirectional transmission of strains between humans and dairy animals (cows and small ruminants). Gaps have been identified in

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Survey on small ruminant bacterial mastitis in Italy, 2013–2014

Cited by 56 publications

References 7 publications

Mastitis in dairy goats from the state of Minas Gerais, Brazil: profiles of farms, risk factors and characterization of bactéria

Mastitis in dairy goats from the state of Minas Gerais, Brazil: profiles of farms, risk factors and characterization of bactéria

Occurrence of mastitis and methicillin resistant <i>Staphylococcus aureus</i> in goats in Zaria, Kaduna State, Nigeria

Knowledge gaps and research priorities inStaphylococcus aureusmastitis control

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