Salmonellosis impacts the proportions of faecal microbial populations in domestic cats fed 1–3-d-old chicks

Kerr, Katherine R.; Dowd, Scot E.; Swanson, Kelly S.

doi:10.1017/jns.2014.20

Cited by 4 publications

(6 citation statements)

References 21 publications

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“…However, it is unclear if this dysbiosis is causative or symptomatic of these disease states. Additionally, there is little data available regarding microbial populations, dysbiosis and disease states for cats ( 8 , 13 ) . The present study has highlighted some interesting differences in gastrointestinal microbes of cats eating extruded v. raw diets.…”

Section: Discussionmentioning

confidence: 99%

“…Only preliminary data for the differences in bacterial composition between a raw meat and kibbled diets fed to dogs have been reported ( 23 , 24 ) . No data have been reported for a whole-prey diet type in either cats or dogs; however, in a companion paper, we also present the microbial populations of cats fed whole and ground chicks and the effects of clinically confirmed symptomatic salmonellosis ( 13 ) .…”

Section: Discussionmentioning

confidence: 99%

“…As lower bacterial diversity and great shifts in commensal bacteria are often present in inflammatory bowel diseases, it suggests that a balanced gut microbiota is important for maintaining host health ( 7 – 9 ) . Several studies have examined the impact of dietary alterations on faecal microbial populations in cats ( 3 – 5 , 10 – 13 ) ; however, very few have examined the microbial population of cats fed a ‘wild-type’ diet ( 12 , 13 ) . Commercially available whole prey may be more similar to the feral cat diet.…”

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confidence: 99%

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Faecal microbiota of domestic cats fed raw whole chicksv.an extruded chicken-based diet

2014

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Extruded cat foods differ greatly in macronutrient distribution compared with wild-type diets (i.e. small mammals, reptiles, birds and insects). Based on the literature, this variability likely impacts faecal microbial populations. A completely randomised design was utilised to test the impacts of two dietary treatments on faecal microbial populations: (1) chicken-based extruded diet (EXT; n 3 cats) and (2) raw 1–3-d-old chicks (CHI; n 5 cats). Cats were adapted to diets for 10 d. Bacterial DNA was isolated from faecal samples and amplicons of the 16S rRNA V4–V6 region were generated and analysed by 454 pyrosequencing. Faeces of cats fed CHI had greater (P < 0·05) proportions of the following bacterial genera: unidentified Lachnospiraceae (15 v. 5 %), Peptococcus (9 v. 3 %) and Pseudobutyrivibrio (4 v. 1 %). Faeces of cats fed EXT had greater (P < 0·05) proportions of Faecalibacterium (1·0 v. 0·2 %) and Succinivibrio (1·2 v. < 0·1 %). Five genera, including Lactobacillus and Bifidobacterium, were present in a majority of samples (two to three out of three) from cats fed EXT, but were not detected in the samples (zero of five) for cats fed CHI. These shifts in faecal bacterial populations compared with feeding a whole-prey diet may impact the functional capacities of the microbiota and its interaction with the host. Further research is warranted to determine the impacts of these shifts on long-term health of domestic cats.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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confidence: 99%

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Faecal microbiota of domestic cats fed raw whole chicksv.an extruded chicken-based diet

2014

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“…Diarrheagenic Escherichia coli (DEC), Clostridium, Campylobacter , and Salmonella species represent the main enteric pathogens of bacterial origin that are found in normal enteric microflora [6, 10, 11] or are causal agents of diarrhea in cats [12–14].…”

Section: Introductionmentioning

confidence: 99%

First Microbiological and Molecular Identification ofRhodococcus equiin Feces of Nondiarrheic Cats

Paula

Silva

Hernandes

et al. 2019

BioMed Research International

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Rhodococcus equiis responsible for infections in multiple-host animals. In humans, the prevalence of rhodococcus has increased worldwide and represents an emergent risk.R. equiis a soil-borne opportunistic bacterium isolated from feces of a wide variety of domestic species, except cats; thus, there is no known potential risk of its transmission from humans. Here, the mono- and cooccurrence ofRhodococcus equiand other bacteria and selected virulence markers were investigated in feces of nondiarrheic cats from urban (n=100) and rural (n=100) areas. Seven (7/200=3.5%)R. equiisolates were recovered in ceftazidime, novobiocin, and cycloheximide (CAZ-NB) selective media, exclusively of cats from three distinct farms (p=0.01), and these cats had a history of contact with horses and their environment (p=0.0002). None of theR. equiisolates harbored hosted-adapted plasmid types associated with virulence (pVAPA, pVAPB, and pVAPN). One hundred seventy-fiveE. coliisolates were identified, and 23 atypical enteropathogenicE. coli(aEPEC), 1 STEC (Shiga-toxin producingE. coli), and 1 EAEC (enteroaggregativeE. coli) were detected. Eighty-sixC. perfringenstype A isolates were identified, and beta-2 and enterotoxin were detected in 21 and 1 isolates, respectively. FiveC. difficileisolates were identified, one of which was toxigenic and ribotype 106. The main cooccurring isolates in cats from urban areas wereE. coliandC. perfringensA (26/100=26%),E. coliandC. perfringenstype Acpb2+(8/100=8%), and aEPEC (eae+/escN+) andC. perfringenstype A (5/100=5%). In cats from farms, the main cooccurring isolates wereE. coliandC. perfringenstype A (21/100=21%),E. coliandC. perfringenstype Acpb2+8/100=8%), andE. coliandR. equi(4/100=4%). We identified, for the first time,R. equiin nondiarrheic cats, a finding that represents a public health issue because rhodococcus has been reported in both immunosuppressed and immunocompetent humans, particularly people living with HIV/AIDS.

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“…However, they are becoming increasingly popular. The GI microbiomes and metabolisms of animals fed RMBDs are different from those fed extruded, heat-processed foods, and this has been shown in numerous studies [16][17][18][19]. Feeding raw foods may increase the risk of exposure to potentially pathogenic bacteria for companion animals and human subjects.…”

Section: Introductionmentioning

confidence: 99%

Antimicrobial Drug-Resistant Salmonella in Urban Cats: Is There an Actual Risk to Public Health?

et al. 2021

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The present study was undertaken to investigate the presence of Salmonella spp. in the faeces of client-owned cats in urban areas and to evaluate the risk that is posed to public health. Fresh faecal samples were collected directly from the rectums from 53 diarrhoeic and 32 non-diarrhoeic cats. The samples were individually screened for the presence of Salmonella spp. using standard methods and, in the case of positive findings, the resulting typical colonies were then biochemically confirmed using the VITEK®2 automated system. Subsequently, all of the Salmonella spp. isolates were molecularly tested for the presence of the invA gene. All of the isolates were serotyped using the slide agglutination technique according to the White–Kauffmann–Le Minor scheme. The phenotypic antimicrobial susceptibility profile of the isolated strains was obtained from the VITEK®2 system using specific cards from the Gram-negative bacteria. A total of 16 of the samples (18.82%) tested positive for Salmonella spp. according to conventional and molecular testing methods. Serotyping of the Salmonella isolates showed the presence of three serotypes, namely S. enteritidis (n = 9; 56.3%), S. typhimurium (n = 4; 25%), and S. kentucky (n = 3; 18.8%). All of the tested strains showed strong resistance towards cefazolin, cefepime, ceftazidime, and ceftriaxone. Additionally, resistance (listed in descending order of strength) was observed to trimethoprim/sulfamethoxazole (11/16; 68.8%), ampicillin (10/16; 62.5%), ampicillin/sulbactam (9/16; 56.3%), gentamicin (9/16; 56.3%), nitrofurantoin (8/16; 50.0%), and amikacin (5/16; 31.3%). No resistance was expressed against ciprofloxacin, ertapenem, imipenem, levofloxacin, piperacillin/tazobactam, and tobramycin. The results of this study highlight a substantial public health issue and medical concern, especially in vulnerable people, such as children, the elderly, and immunocompromised individuals.

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Salmonellosis impacts the proportions of faecal microbial populations in domestic cats fed 1–3-d-old chicks

Cited by 4 publications

References 21 publications

Faecal microbiota of domestic cats fed raw whole chicksv.an extruded chicken-based diet

Faecal microbiota of domestic cats fed raw whole chicksv.an extruded chicken-based diet

First Microbiological and Molecular Identification ofRhodococcus equiin Feces of Nondiarrheic Cats

Antimicrobial Drug-Resistant Salmonella in Urban Cats: Is There an Actual Risk to Public Health?

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