Campylobacter sp in organs and meconium of day-old broiler chicks derived from naturally infected breeder hens

Fonseca, BB; Soncini, R. A.; Vieira, FL; Siqueira, Adriano A. G.; Guimaraes, A. M.; Beletti, Marcelo Emı́lio; Rossi, D. A.

doi:10.1590/s1516-635x2006000400010

Cited by 5 publications

(4 citation statements)

References 12 publications

(9 reference statements)

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“…Acuff et al (2) reported that no Campylobacter could be found in turkey eggs, but only 20 eggs were tested, and then with insensitive sampling methods. Fonseca et al (33) sampled the meconium and a pooled sample of heart, spleen, and liver from 117 chicks. When Campylobacter was not isolated, they concluded that vertical transmission is a rare event.…”

Section: Campylobacter Association With the Fertile Eggmentioning

confidence: 99%

Evidence for Horizontal and Vertical Transmission in Campylobacter Passage from Hen to Her Progeny

Cox

Richardson

Maurer

et al. 2012

Journal of Food Protection

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Campylobacter is an important human pathogen, and consumption of undercooked poultry has been linked to significant human illnesses. To reduce human illness, intervention strategies targeting Campylobacter reduction in poultry are in development. For more than a decade, there has been an ongoing national and international controversy about whether Campylobacter can pass from one generation of poultry to the next via the fertile egg. We recognize that there are numerous sources of Campylobacter entry into flocks of commercial poultry (including egg transmission), yet the environment is often cited as the only source. There has been an abundance of published research globally that refutes this contention, and this article lists and discusses many of them, along with other studies that support environment as the sole or primary source. One must remember that egg passage can mean more than vertical, transovarian transmission. Fecal bacteria, including Campylobacter, can contaminate the shell, shell membranes, and albumen of freshly laid fertile eggs. This contamination is drawn through the shell by temperature differential, aided by the presence of moisture (the "sweating" of the egg); then, when the chick emerges from the egg, it can ingest bacteria such as Campylobacter, become colonized, and spread this contamination to flock mates in the grow house. Improvements in cultural laboratory methods continue to advance our knowledge of the ecology of Campylobacter, and in the not-so-distant future, egg passage will not be a subject continuously debated but will be embraced, thus allowing the development and implementation of more effective intervention strategies.

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Section: Campylobacter Association With the Fertile Eggmentioning

confidence: 99%

Evidence for Horizontal and Vertical Transmission in Campylobacter Passage from Hen to Her Progeny

Cox

Richardson

Maurer

et al. 2012

Journal of Food Protection

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“…It is frequently diagnosed in developed countries, and one of its major causal agents is Campylobacter jejuni (4,10,19). Brazilian aviculture has exhibited high growth rates over the last 3 decades; as such, Brazil has become the third largest producer of chicken meat worldwide and the leader in exports.…”

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confidence: 99%

Antimicrobial Resistance of Campylobacter jejuni Isolated from Chicken Carcasses in the Federal District, Brazil

Moura

Silva

et al. 2013

Journal of Food Protection

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The aim of the present study was to perform microbiological isolation of Campylobacter jejuni from chilled chicken carcasses marketed in the Federal District of Brazil and to subject the strains to an antibiogram. A total of 92 samples from chilled chicken carcasses were acquired, 18 of which (19.56%) tested positive for C. jejuni. A total of 16 strains were tested for susceptibility to eight antimicrobial drugs. All 16 strains were resistant to ciprofloxacin, 15 strains to nalidixic acid, streptomycin, tetracycline, and gentamycin, 14 strains to amoxicillin, 11 strains to erythromycin, and 6 strains to chloramphenicol. The present study is the first to report on the presence of C. jejuni in chilled chicken carcasses marketed in the Federal District region of Brazil. These results may indicate flaws in certain steps of this food processing and highlight a possible public health problem due to the high level of resistance exhibited by the isolated strains.

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“…Campylobacter microorganisms are widely spread in boiler farms as reported by both wieliczko (1995A) and Jacobs-Reitsma et al (1994) and the chickens can be infected by Campylobacter microorganisms at 4-6 weeks of age. Therefore, the efficient control of the transmission routes in chicken farms is of outmost importance to prevent it from spreading (Fonseca et al, 2006).…”

Section: Discussionmentioning

confidence: 99%

“…The contamination of poultry meat usually occurs after slaughtering when the organisms spread from the intestinal contents of the affected birds to the carcasses during the process of evisceration (Simmons and Gibbs., 1979). In chicken farms, the main transmission route of this microorganism is horizontal, as the vertical route continues to be the object of inconclusive researches (Fonseca et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Prevalence and Pathogenisity of Campylobacter Species in Chickens in El Fayoum Governorate

2008

Assiut Veterinary Medical Journal

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incidence of 46.4 %, 39.2 % and 5.1% respectively. From apparent healthy chickens the 9 recovered isolates consisted of 6 C. jejuni and 3 C. coli. The recovery rate from different sites of all the examined chickens was almost equal from the Jejunum (44.3%) and caecum (43.3%), while it was in a descending rate from the liver (9.3%), gall bladder (2.1%) and heart blood (1.0%) as the number of Campylobacter species that were isolated from the jejunum, caecum, liver, gall bladder and heart blood was 43, 42, 9, 2, and one respectively. From diseased chickens, Campylobacter jejuni was mainly isolated from jejunum (29 isolates), followed by caecum (12 isolates), liver (3 isolates) and once from gall bladder contents. Campylobacter coli was mainly recovered from caecum (26 isolates), followed by jejunum (8 isolates), liver tissues (2 times), gall bladder and heart blood (1 isolate each). Campylobacter lari was recovered from jejunum (2 isolates) and liver tissues (3 isolates). In apparent healthy chickens, Campylobacter jejuni was isolated from jejunum (3 isolates), followed by caecum (2 isolates) and liver tissues (1 isolate), while Campylobacter coli was recovered from caecum (2 isolates) followed by jejunum (1 isolate). Experimental infection with Campylobacter jejuni showed that the first mortalities was recorded 6 days post infection in orally infected group and 4 days in intramuscularly infected group of chickens. Mortality rate was 20.0% (4/20) in orally inoculated group and 30% (6/20) in I.M. infected group. Re-isolation of the inoculated microorganism was recorded from the liver, caecum and jejunum from 3 (out of the 4 dead) orally infected chickens, and from. 5 (out of the 6 dead) I.M. inoculated ones. Rectal swabs that were collected from living chickens at the end of the experiment showed that C. jejuni was recovered from 3 living chickens of orally infected group and 2 from I.M. injected group. Experimental infection with C. coli produced 25.0% and 20.0% mortalities when inoculated I.M and orally respectively. The principal changes were in the form of distension of the intestinal tract. Intramuscular inoculation of C. jejuni and C. coli in a mixed form produced 35.0 % mortality rate with severely detectable pathological changes in the liver, accumulation of mucus and watery fluid in duodenal loop and hemorrhages in the intestinal tract. The mortality rate lowered to be 25.0% accompanied with severe dehydration and blood tinged duodenal mucosa when the two organisms were inoculated orally.

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Campylobacter sp in organs and meconium of day-old broiler chicks derived from naturally infected breeder hens

Cited by 5 publications

References 12 publications

Evidence for Horizontal and Vertical Transmission in Campylobacter Passage from Hen to Her Progeny

Evidence for Horizontal and Vertical Transmission in Campylobacter Passage from Hen to Her Progeny

Antimicrobial Resistance of Campylobacter jejuni Isolated from Chicken Carcasses in the Federal District, Brazil

Prevalence and Pathogenisity of Campylobacter Species in Chickens in El Fayoum Governorate

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