Relationship between subclinical mastitis and reproduction in Lacaune sheep

Dias, Brenda Veridiane; Costa, Geraldo Márcio da; Leite, Rafael Fernandes; Lucas, Fernanda Alves; Custódio, Dircéia Aparecida da Costa; Lima, Renato Ribeiro de; Brighenti, Carla Regina Guimarães; Alves, Nadja Gomes

doi:10.1016/j.smallrumres.2022.106809

Cited by 1 publication

(1 citation statement)

References 39 publications

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“…Lacaune and their crossbreeds were also examined in seven studies [27][28][29][30][31][32][33], which were carried out in Chapeco-SC, Rio Grande do Sul, Santa Catarina, and Minas Gerais. Coagulase-negative Staphylococci were regularly obtained, especially from subclinical udder infections.…”

Section: Brazilmentioning

confidence: 99%

Coagulase-Negative Staphylococci as an Etiologic Agent of Ovine Mastitis, with a Focus on Subclinical Forms

Lysitsas,

Spyrou,

Billinis

et al. 2023

Antibiotics

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The objective of this review is to investigate the distribution and the characteristics of coagulase-negative Staphylococci (CoNS) implicated in ovine mastitis, and especially in subclinical cases, in order to provide a global perspective of the current research data and analyze specific critical aspects of the issue. PRISMA guidelines were implemented in the search of the last 20 years of the related literature in two databases. In total, 139 studies were included in this review. Relevant data were tracked down, assembled, and compared. Regarding the geographical distribution, most studies originated from Europe (68), followed by South America (33). Lacaune was the most examined breed, while S. epidermidis was the predominantly identified species, representing approximately 39% of the obtained isolates. Antibiotic resistance in the relevant bacteria was documented mostly for Penicillin (32.8%) and Amoxicillin (32.1%), while biofilm- and toxin-associated genes were encountered in variable rates because significant inequalities were observed between different articles. Significantly higher rates of antimicrobial resistance were detected in Asia and South America compared to Europe. Finally, the diagnostic procedures carried out in the respective studies were evaluated. Conventional culture and biochemical tests were mostly performed for simple strain identification; therefore, further molecular investigation of isolates should be pursued in future studies, as this will provide important data regarding specific aspects of the implication of CoNS in ovine mastitis.

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