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Fig. 1

Polish provinces with suspected botulism cases of which samples were sent to the National Veterinary Research Institute laboratory from 2019 to 2021. Darker regions denote provinces with cases
Polish provinces with suspected botulism cases of which samples were sent to the National Veterinary Research Institute laboratory from 2019 to 2021. Darker regions denote provinces with cases

Fig. 2

The average temperatures in the periods and areas affected by botulism outbreaks according to the Institute of Meteorology and Water Management (9)
The average temperatures in the periods and areas affected by botulism outbreaks according to the Institute of Meteorology and Water Management (9)

Samples associated with suspected animal botulism cases in Poland sent to the National Veterinary Research Institute laboratory from 2019 to 2021

Case Samples
Serum Intestinal content Liver Spleen Kidney Faeces Wet feed Dry feed Ensilage Water Mixed samples of internal organs
1 +
2 + + + +
3 + + + + +
4 + + + +
5 + +
6 + + + +
7 + + + + +
8 + + + +
9 + + +
10 + + + + +
Total 37

Symptoms manifested during particular botulism cases

Symptom Case
1 2 3 4 5 6 7 8 9 10
Animal
Cattle Mink Cattle Mink Cattle Mink Cattle Horse Cattle Chicken
Difficulties in swallowing + +
Reduced muscle tone + + + + + + +
Descending, flaccid, + + + +
Breathing difficulties + + + + + +
Salivation + + + +
Constipation + + + +
Ptosis + +
Dryness of the mucous + +
Urination disorder +
Dilation of the pupils +
Other symptoms + diarrhoea

Results of the tests used in laboratory examination and classification of the cases

Test result of samples examination
Classification of case
Case MBA PCR (ntnh gene detection) PCR (bont gene detection)
1 Probable
2 Probable
3 + + + Confirmed in laboratory
4 + + + Confirmed in laboratory
5 + Confirmed in laboratory
6 Probable
7 Probable
8 Probable
9 Probable
10 + + + Confirmed in laboratory

Suspected animal botulism cases in Poland of which samples were sent to the National Veterinary Research Institute laboratory from 2019 to 2021

Case Province Animal Approximate number of affected animals Type of feed Year Month Average temp. (°C)
1 Pomerania Cattle 6 Silage, TMR 2019 February 2.8°C
2 Masovia Mink - Wet feed 2019 June 21.8°C
3 Podlaskie Cattle 45 Pasture, silage, TMR 2019 June 21.8°C
4 Lublin Mink 2,000 Wet feed 2019 August 20.3°C
5 Pomerania Cattle - Silage 2019 November 5.7°C
6 Greater Poland Mink 2,500 Wet feed 2020 July 18.7°C
7 Podlaskie Cattle 2 Silage, TMR 2020 September 15.3°C
8 Pomerania Horse 1 Silage, granulated feed 2020 October 10.4°C
9 Warmia-Masuria Cattle 8 silage, TMR 2021 November 5.1 °C
10 Masovia Chicken 18,000 Dry feed 2021 November 5.1 °C

Results obtained for samples associated with suspected animal botulism cases

Laboratory confirmation results
Cases Animal Serum Intestinal content Liver Spleen Kidney Faeces Wet feed Dry feed Ensilage Water Mixed samples internal of organs Toxin type
1 Cattle
2 Mink
3 Cattle + + D
4 Mink + + + C
5 Cattle + C
6 Mink
7 Cattle
8 Horse
9 Cattle
10 Chicken + + + C
eISSN:
2450-8608
Język:
Angielski
Częstotliwość wydawania:
4 razy w roku
Dziedziny czasopisma:
Life Sciences, Molecular Biology, Microbiology and Virology, other, Medicine, Veterinary Medicine