Prevalence and molecular analyses of Campylobacter jejuni and Salmonella spp. in co-grazing small ruminants and wild-living birds

Pao, Steven; Hagens, B.E.; Kim, C.; Wildeus, S.; Ettinger, M. R.; Wilson, Martin; Watts, Bryan D.; Whitley, Niki; Porto-Fett, Anna C. S.; Schwarz, Joshua L.; Kaseloo, Paul; Ren, Si-Qi; Long, Wilbert; Li, H.; Luchansky, John B.

doi:10.1016/j.livsci.2013.11.020

Cited by 23 publications

(17 citation statements)

References 40 publications

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“…Between 2006and 2009 New Zealand, sera were tested for C. fetus fetus, 1,644/3,429 (48%) were positive, only 34/298 (11%) flocks tested for were completely seronegative (DEMPSTER et al, 2011) Birds were observed at 7/28 properties, and although the presence of birds is an aggravating factor for infection by Campylobacter spp. (BROMAN et al, 2002;PAO et al, 2014), a significant relationship with the disease was not observed in this study. However, the Campylobacter jejuni infection of the Santa Inês ram likely occurred orally because its stall was heavily contaminated with the feces of birds that roamed free.…”

Section: Discussioncontrasting

confidence: 75%

“…Roug et al (2013) isolated C. jejuni and C. coli in sheep, goats, cattle and pigs at agriculture fairs in California, USA. Pao et al (2014) found that sheep pose a greater risk than goats in C. jejuni contamination at co-grazing small ruminant farms.…”

Section: Introductionmentioning

confidence: 96%

“…(DIKER et al, 2000). The presence of birds on sheep farms increases the risk of lambs becoming infected in their first days of life (BROMAN et al, 2002;PAO et al, 2014). Scarcelli et al (1998) studied the feces of healthy sheep in the state of São Paulo and obtained Campylobacter jejuni isolates in 2.9% (2/69) of sheep.…”

Section: Introductionmentioning

confidence: 99%

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Campylobacter isolation from the feces of sheep with a history of reproductive disorders bred in the state of São Paulo, Brazil

Rizzo

Gregory

Beraldi

et al. 2015

SCA

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Campylobacter species are a significant cause of sheep abortion in most sheep-raising countries. The relationship between the presence of Campylobacter spp. in fecal samples and reproductive disorders was investigated in 274 sheep from 28 properties in the state of São Paulo, Brazil. Biological samples from 16 aborted fetuses, one uterus, six placentas, five uterine secretion samples, five vaginal swabs, 17 semen samples, and three preputial swabs were also subjected to bacterial isolation. The bacteria were isolated from fecal samples of 14.9% (5/28) of the properties, affecting 3.65% (10/274) of the sheep, 3.5% (9/255) of females and 5.3% (1/19) of males. Campylobacter jejuni was the most prevalent species, present in 66.67% (7) of the positive samples, followed by Campylobacter coli, present in 22.22% (2), and one strain was identified as Campylobacter spp. The birth of "weak" lambs (p=0.06, OR=6.83 and CI=1.73 to 27.05) and neonatal death (p=0.087, OR=3.5 and CI=0.83 to 14.72) were associated with the fecal isolation of Campylobacter spp. Diarrhea was also associated with the bacteria (p=0.003, OR=9.83 and CI=2.19 to 44.18). The dissemination of Campylobacter spp. in Brazilian sheep is low and that, at present, the existing strains are not responsible for significant economic losses in sheep production, especially in adult animals. Campylobacter jejuni e Campylobacter coli estão presentes nos rebanhos paulistas e observou-se associação de ovinos com isolamento bacteriano fecal com quadro de nascimento de cordeiros "fracos" e consequente morte neonatal. Além de sua associação com quadros de diarreia que predispões à infecção oral de cordeiros a bactéria. A disseminação de Campylobacter spp. nos rebanhos ovinos Brasileiros é baixa e que, por enquanto, as cepas existentes não são responsáveis por grandes prejuízos na ovinocultura, principalmente em animais adultos.

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Section: Discussioncontrasting

confidence: 75%

Section: Introductionmentioning

confidence: 96%

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Campylobacter isolation from the feces of sheep with a history of reproductive disorders bred in the state of São Paulo, Brazil

Rizzo

Gregory

Beraldi

et al. 2015

SCA

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“…Campylobacter and Salmonella spp. are commonly isolated from both pasture-raised livestock and poultry [7][8][9][10] and can persist in the soil for extended periods of time [2]. There is a knowledge gap regarding potential microbial risks for crosscontamination in diversified farms producing fresh produce and partially or fully integrating livestock.…”

Section: Introductionmentioning

confidence: 99%

Prevalence and risk factors associated withCampylobacterspp. andSalmonella entericain livestock raised on diversified small-scale farms in California

et al. 2019

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Diversified farms are operations that raise a variety of crops and/or multiple species of livestock, with the goal of utilising the products of one for the growth of the other, thus fostering a sustainable cycle. This type of farming reflects consumers' increasing demand for sustainably produced, naturally raised or pasture-raised animal products that are commonly produced on diversified farms. The specific objectives of this study were to characterise diversified small-scale farms (DSSF) in California, estimate the prevalence of Salmonella enterica and Campylobacter spp. in livestock and poultry, and evaluate the association between farm- and sample-level risk factors and the prevalence of Campylobacter spp. on DSSF in California using a multilevel logistic model. Most participating farms were organic and raised more than one animal species. Overall Salmonella prevalence was 1.19% (95% confidence interval (CI95) 0.6–2), and overall Campylobacter spp. prevalence was 10.8% (CI95 = 9–12.9). Significant risk factors associated with Campylobacter spp. were farm size (odds ratio (OR)10–50 acres: less than 10 acres = 6, CI95 = 2.11–29.8), ownership of swine (OR = 9.3, CI95 = 3.4–38.8) and season (ORSpring: Coastal summer = 3.5, CI95 = 1.1–10.9; ORWinter: Coastal summer = 3.23, CI95 = 1.4–7.4). As the number of DSSF continues to grow, evaluating risk factors and management practices that are unique to these operations will help identify risk mitigation strategies and develop outreach materials to improve the food safety of animal and vegetable products produced on DSSF.

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“…Although direct plating of fecal materials on Campylobacter selective agar plates has been successfully employed in detecting the organism in human and birds/animal fecal samples, it might guarantee a high recovery rates of campylobacters particularly from avian and animal origin or might result in failure to detect the organism in feces [67,68], therefore, incubating fecal samples in selective enrichment broth prior to selective plating potentially increase the detection of campylobacters [5]. Indeed, the incubation of avian/animal fecal samples in enrichment broth prior to selective plating was successfully employed in detecting Campylobacter species [10,16,[69][70][71].…”

Section: Detection In Fecesmentioning

confidence: 99%

Campylobacter in the environment: A major threat to public health

Abulreesh¹,

Organji²,

Elbanna³

et al. 2017

APJTD

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Prevalence and molecular analyses of Campylobacter jejuni and Salmonella spp. in co-grazing small ruminants and wild-living birds

Cited by 23 publications

References 40 publications

Campylobacter isolation from the feces of sheep with a history of reproductive disorders bred in the state of São Paulo, Brazil

Campylobacter isolation from the feces of sheep with a history of reproductive disorders bred in the state of São Paulo, Brazil

Prevalence and risk factors associated withCampylobacterspp. andSalmonella entericain livestock raised on diversified small-scale farms in California

Campylobacter in the environment: A major threat to public health

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