Comprehensive microbiological evaluation of dry foods for growing dogs marketed in Poland

Holda, K.; Głogowski, Robert; Hać‐Szymańczuk, Elżbieta; Wiczuk, Wioletta

doi:10.22630/aas.2017.56.1.10

Cited by 6 publications

(17 citation statements)

References 3 publications

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“…It is considered that the number of Enterobacteriaceae in animal feeds may not exceed 3 × 10 2 cfu/g in the tested samples (EU 142/2011). In our research, Enterobacteriaceae were not found in any of the dog food samples, unlike Hołda et al (2017) who identified Enterobacteriaceae in twelve out of twenty (60%) dry dog foods with a range from 1.0 × 10 1 to 2.3 × 10 2 cfu/g. However, it needs to be remembered that raw diets pose a greater bacteriological threat than dry foods due to the simplistic preparation and no heat treatment.…”

Section: Microbiological Safetycontrasting

confidence: 92%

“…was not detected in 25 g of dog food. The same result was recorded by Hołda et al (2017). In turn, Wojdat et al (2004) found Salmonella spp.…”

Section: Microbiological Safetysupporting

confidence: 70%

“…Yeasts were not present in any foods. In contrast, Hołda et al (2017) recorded a lower level of mold contamination of dry dog food, below 2.0 × 10 1 cfu/g, and isolated Aspergillus, Penicillium and / or Rhizopus species in five out of 20 tested foods (25%). In a similar study, Bueno et al (2001) detected fungi in all (100%) 12 samples in commercial dry dog food.…”

Section: Microbiological Safetymentioning

confidence: 80%

“…A total count of microorganisms above acceptable 10 6 cfu/g according to Kukier (2012) was recorded in five (14%) of the dog foods. In contrast, a study by Hołda et al (2017) noted much lower microbial contamination. Among 20 dry dog foods tested, typical growth of aerobic bacteria was detected in 15 (75%) products ranging between 1.0 × 10 1 to 2.7 × 10 2 cfu/g.…”

Section: Microbiological Safetymentioning

confidence: 82%

“…In this study no contamination of Escherichia coli was found in any of the examined dog foods. However, Hołda et al (2017) isolated 10-50 cfu/g of E. coli in four out of twenty dog foods (20%).…”

Section: Microbiological Safetymentioning

confidence: 97%

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Evaluation of nutritional value and microbiological safety in commercial dog food

et al. 2021

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In addition to properly balancing nutritional value in accordance with the needs of a dog, estimating the microbiological quality of dog food is crucial in providing healthy and safe foods. The aim of this study was to examine the quality of dry food for adult dogs, with particular reference to: (1) evaluating the nutritional value and compliance with nutritional guidelines for dogs, (2) comparing the nutritional value of dog foods, with particular emphasis on the division into cereal and cereal-free foods, and (3) evaluating their microbiological safety. All thirty-six evaluated dry dog foods met the minimum European Pet Food Industry FEDIAF requirement for total protein and fat content. The total aerobic microbial count in the analyzed dry dog foods ranged from 2.7 × 102 to above 3.0 × 107 cfu/g. In five (14%) dog foods the presence of staphylococci was detected; however, coagulase positive Staphylococcus (CPS) was not found. Mold presence was reported in one cereal-free dog food and in six cereal foods. In none of the analyzed foods Enterobacteriaceae were found, including coliforms, Escherichia coli and Salmonella spp. Bacteria of the genus Listeria and Clostridium as well as yeasts were also not detected. In conclusion, the evaluated dry dog foods had varied microbiological quality. The detected number of microorganisms may have some implications for long-term consumption of contaminated food. The lack of European Commission standards regarding the permissible amounts of microorganisms in pet food may result in insufficient quality control of these products.

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Section: Microbiological Safetycontrasting

confidence: 92%

“…was not detected in 25 g of dog food. The same result was recorded by Hołda et al (2017). In turn, Wojdat et al (2004) found Salmonella spp.…”

Section: Microbiological Safetysupporting

confidence: 70%

Section: Microbiological Safetymentioning

confidence: 80%

Section: Microbiological Safetymentioning

confidence: 82%

Section: Microbiological Safetymentioning

confidence: 97%

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Evaluation of nutritional value and microbiological safety in commercial dog food

et al. 2021

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Contaminación de alimento comercial seco para perro por Aspergillus flavus y aflatoxinas en Aguascalientes, México

Martínez-Martínez,

Valdivia-Flores,

Quezada-Tristán

et al. 2023

Rev. Mex. Cienc. Pecu.

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El alimento comercial seco (ACS) para perro es una ración integral completamente mezclada y troquelada con calor y presión para darle forma de croqueta. El ACS está formulado con diversos ingredientes y subproductos agroindustriales de origen agrícola y pecuario. La contaminación por Aspergillus flavus y por aflatoxinas (AFs) en los alimentos se ha demostrado que es un problema global que causa daños a la salud humana y animal. El objetivo fue evaluar la presencia de microbiota fúngica y contaminación por AFs en el ACS. Una muestra aleatoria (n=77) de ACS comercializado se seleccionó en Aguascalientes, México. Las muestras fueron procesadas y cultivadas por diluciones seriadas, obteniendo aislados monospóricos, los cuales se caracterizaron morfológica, toxigénica (HPLC) y molecularmente (PCR). La concentración de AFs en ACS se cuantificó por HPLC. En el 53.2 % de ACS se observó crecimiento fúngico y 7.8 % superaron el límite máximo permisible (LMP=106 UFC/g). Se encontraron los géneros Aspergillus, Penicillium, Cladosporium, Mucor, Alternaria y Fusarium (69.4, 12.9, 9.4, 4.7, 1.7 y 1.1%, respectivamente). Todas las muestras de ACS mostraron contaminación por AFs (14.8 ± 0.3 µg/kg) y el 11.8 % excedió el LMP (20.0 µg/kg) sugerido por la normatividad; la contaminación se asoció significativamente (P<0.05) con algunos ingredientes empleados, humedad del ACS e inclusión de fungicidas y secuestrantes. Los resultados obtenidos sugieren que el proceso de elaboración del ACS no elimina completamente la contaminación por hongos ni por las AFs presentes en los ingredientes empleados para su formulación; en consecuencia, éstos permanecen en el producto terminado poniendo en riesgo la salud de los perros y eficacia de la cadena alimenticia.

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Microbiological safety of commercial canned and dry pet food products in Lebanon

et al. 2022

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Estimating the microbiological quality of pet food is essential in providing healthy and safe foods to pets. The aim of this study was to assess the microbiological safety of pet food marketed in Lebanon, namely cat and dog products. To the best of our knowledge, no studies have been conducted in Lebanon nor the Middle East region with reference to pet food quality. Lebanese market was screened and a total of 165 dry and canned pet food products were identified, collected and analyzed for their load of total aerobic microbial count, Enterobacteriaceae species, yeasts and molds, and for the presence of Salmonella and Listeria species. Dry pet food products had higher contamination level compared to canned ones. In terms of non-conformity to the European commission regulations, out of the 165 brands, 11 (7%) had a total aerobic microbial count above 106 cfu/g, and 27 (16%) exceeded 3 × 102 cfu/g as a maximum limit of presumptive Enterobacteriaceae. Among the dry brands, 8 out of 66 (12%) had a contamination level of yeasts and molds above 104 cfu/g. Presumptive Salmonella spp. was detected in 68 (41%) and presumptive Listeria spp. in 106 (64%) of brands. These alarming results necessitates setting and monitoring microbiological standards for pet food in Lebanon. This study contributes as well to the building of a database for knowledge development regarding the potential contamination of pet food by the abovementioned microorganisms.

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Comprehensive microbiological evaluation of dry foods for growing dogs marketed in Poland

Abstract:

Cited by 6 publications

References 3 publications

Evaluation of nutritional value and microbiological safety in commercial dog food

Evaluation of nutritional value and microbiological safety in commercial dog food

Contaminación de alimento comercial seco para perro por Aspergillus flavus y aflatoxinas en Aguascalientes, México

Microbiological safety of commercial canned and dry pet food products in Lebanon

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