Study of potential environmental factors predisposing ewes to subclinical mastitis in Greece

Vasileiou, N.G.C.; Γιαννακόπουλος, Αλέξιος; Cripps, Peter; Ioannidi, K.S.; Chatzopoulos, Dimitris; Gougoulis, D.A.; Billinis, C.; Mavrogianni, V.S.; Petinaki, Efthimia; Fthenakis, George C.

doi:10.1016/j.cimid.2018.11.011

Cited by 8 publications

(3 citation statements)

References 25 publications

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“…A possible association between adverse weather conditions and mastitis in sheep has also been reported in the 1980s (Anon, 1988). More recently, Vasileiou et al (2019) have presented an association between increased mastitis frequency and the mean temperature for 30 days prior to sampling date (positive correlation) and the minimum temperature of coldest month (negative correlation). Based on those findings, it has become possible to construct predictive models for mastitis in ewes taking into account climatological parameters .…”

Section: Climatological Factorsmentioning

confidence: 97%

Predisposing factors for bacterial mastitis in ewes

Vasileiou

Mavrogianni

Petinaki

et al. 2019

Reprod Domestic Animals

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Objective of this review paper is the appraisal of predisposing factors for bacterial mastitis in ewes. Factors that predispose ewes to mastitis can be classified into non‐animal‐related factors (environmental and climatological factors, housing, nutrition, milking practices) and animal‐related factors (anatomic, genetic, litter size—ethological factors, number and stage of lactation period, health problems). There are clear management—environment—animal interactions in mastitis development in ewes, which underline its multifactorial nature. Research and studies regarding risk factors are important, in order to develop strategies for their elimination, control or correction. Control measures for bacterial mastitis, which attempt to eliminate predisposing factors for infection, can thus be developed and implemented.

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Section: Climatological Factorsmentioning

confidence: 97%

Predisposing factors for bacterial mastitis in ewes

Vasileiou

Mavrogianni

Petinaki

et al. 2019

Reprod Domestic Animals

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“…Mastitis is mainly predisposed by management or genetic factors [39,40], and environmental effects may be of limited importance for the development of the disease. In a relevant study, it was found that only short-term temperatures changes [41] may have an effect on the development of subclinical mastitis.…”

Section: Potential Associations Of Climatic Changes With Small Ruminant Healthmentioning

confidence: 99%

Long-Term Climatic Changes in Small Ruminant Farms in Greece and Potential Associations with Animal Health

et al. 2022

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The objectives of this work were (a) to present the changes in climatic parameters from 1989 to 2019, in 444 locations throughout Greece, where small ruminant farms have been based and (b) to present associations of the changes in the climatic parameters with clinical data related to small ruminant health. Climatic variables (1989–2019) were obtained for 444 locations with small ruminant farms throughout Greece. During this period, significant increases were noted in temperature-related parameters (annually 0.05 °C for average temperature and 0.14 °C for temperature range) and precipitation (annually 0.03 mm). There were significant differences in climatic conditions between locations of farms in accord with the management system applied therein, as well as in accord with the breed of animals on the farms (e.g., higher average temperature in locations with Greek breeds, higher temperature range in locations with imported breeds). There were significant associations of temperature-related parameters with the annual frequency of cases of neonatal hypothermia seen at a veterinary teaching hospital, as well as with the average proportion of Haemonchus contortus larvae in faecal samples and the frequency of cases of H. contortus resistance reported by a veterinary parasitology laboratory.

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“…Slechte weersomstandigheden, zoals regen en wind, hebben een negatief effect op de immuniteit van het dier (Vasileiou et al, 2019a;Vasileiou et al, 2019b). Daarnaast kunnen lage en hoge temperaturen, met name temperaturen buiten de thermoneutrale zone van schapen (-5°C tot +15°C), het aantal leukocyten in het bloed verlagen (Vasileiou et al, 2019a;Vasileiou et al, 2019b).…”

Section: Klimaatunclassified

Predisponerende factoren voor mastitis bij vleesschapen

Blockx¹,

Piepers²,

Vliegher³

2022

Vlaams Diergeneeskundig Tijdschrift

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Mastitis bij vleesschapen is een ernstige ziekte die vaak fataal is. In dit onderzoek wordt het voorkomen van de ziekte beschreven met klemtoon op de predisponerende factoren. Aan Vlaamse en Nederlandse schapenhouders werd in een enquête gevraagd of predisponerende factoren al dan niet aanwezig zijn op hun bedrijf, alsook werd hun kennis van mastitis en de bijhorende factoren in kaart gebracht. De aanwezigheid van predisponerende factoren op de bedrijven varieerde sterk. Risicofactoren, zoals gebrekkige mestverwijdering (aanwezig op 90% van de bedrijven), overbevolking in de stallen (26%), gebrek aan ontworming (58%), een groot aandeel oudere ooien in de veestapel (30%) en melken zonder handschoenen (50%) waren prominent aanwezig. Andere factoren, zoals buiten lammeren (5%), een gebrek aan stalventilatie (15%), het niet-voederen van krachtvoer (5%) en de aanwezigheid van stress (4%) werden door de schapenhouders wel goed vermeden. Tot slot werd op basis van tien kennisvragen aan elke schapenhouder een score toegekend. De gemiddelde score bedroeg 4,1/10. Uit dit onderzoek blijkt dat er ruimte is voor verbetering van de kennis van schapenhouders wat betreft de factoren die mastitis kunnen veroorzaken bij de ooi.

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Study of potential environmental factors predisposing ewes to subclinical mastitis in Greece

Cited by 8 publications

References 25 publications

Predisposing factors for bacterial mastitis in ewes

Predisposing factors for bacterial mastitis in ewes

Long-Term Climatic Changes in Small Ruminant Farms in Greece and Potential Associations with Animal Health

Predisponerende factoren voor mastitis bij vleesschapen

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