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Kunnskapsstatus knyttet til mattrygghet og smittespredning

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Kunnskapsmangler<br />

• Den relative betydningen av Cryptosporidium meleagridis for human kryptosporidiose er<br />

ufullstendig undersøkt.<br />

• Betydningen av ulike smittekilder <strong>og</strong> smittemåter for Cryptosporidium meleagridis-infeksjon hos<br />

menneske.<br />

• Forekomsten av Cryptosporidium hos norsk fjørfe er ukjent.<br />

• Det er lite kunnskap om overlevelse av Cryptosporidium i kjøtt/kjøttprodukter som ikke<br />

varmebehandles.<br />

• Kunnskaper om smittekilder <strong>og</strong> risikofaktorer i Norge, <strong>og</strong> deres innbyrdes styrkeforhold.<br />

• Kunnskap om reell forekomst av innenlandssmitte i befolkingen.<br />

• Kunnskap om eventuell sammenheng mellom smitte hos mennesker <strong>og</strong> dyr, gjennom kunnskap om<br />

hvilke arter <strong>og</strong> genotyper av Cryptosporidium som dominerer hos henholdsvis mennesker smittet i<br />

Norge <strong>og</strong> blant dyr.<br />

Referanser<br />

1. Anon. Microorganisms in food. Blackie Academic and professionals, London, UK. 1998.<br />

2. Barnes HJ, Vaillancourt JP, Gross WB. Colibacillosis. In: Diseases of Poultry, edited by Saif YM,<br />

Ames: Iowa State Press 2003; p. 631-56.<br />

3. Beery JT, Doyle MP, Schoeni JL. Colonization of chicken cecae by Escherichia coli associated with<br />

hemorrhagic colitis. Appl Environ Microbiol 1985; 49(2): 310-5.<br />

4. Berrang ME, Lyon CE, Smith DP, Northcutt JK. Incidence of Listeria monocyt<strong>og</strong>enes on pre-scald<br />

and post-chill chicken. J Appl Poult Res 2000; 9 (4): 546-50.<br />

5. Brynestad S, Granum PE. Clostridium perfringens and foodborne infections. Int J Food Microbiol<br />

2002; 74 (3): 195-202.<br />

6. Brynestad S. Genetic studies on Clostridium perfringens enterotoxin. Thesis for the Degree of<br />

Doctor Scientiarum. Norwegian College of Veterinary Medicine, Oslo, Norway. 1997; 1-21. 82-<br />

7725-049-5.<br />

7. Capita R, onso-Calleja C, Prieto M, Garcia-Fernandez MD, Moreno B. Incidence and path<strong>og</strong>enicity<br />

of Yersinia spp. isolates from poultry in Spain. Food Microbiol 2002; 19 (4): 295-301.<br />

8. Caprioli A, Morabito S, Brugere H, Oswald E. Enterohaemorrhagic Escherichia coli: emerging issues<br />

on virulence and modes of transmission. Review. Vet Res 2005; 36(3): 289-311.<br />

9. Cook AJC, Gilbert RE, Buffolano W, Zufferey J, Petersen E, Jenum PA, Foulon W, Semprini AE,<br />

Dunn DT. Sources of toxoplasma infection in pregnant women: European multicentre case-control<br />

study. BMJ 2000; 321 (7254): 142-7.<br />

10. Dipineto L, Santaniello A, Fontanella M, Lagos K, Fioretti A, Menna LF. 2006. Presence of Shiga<br />

toxin-producing Escherichia coli O157:H7 in living layer hens. Lett Appl Microbiol 43(3): 293-5.<br />

11. Doyle MP, Schoeni JL. Isolation of Escherichia coli O157:H7 from retail fresh meats and poultry.<br />

Appl Environ Microbiol 1987; 53(10): 2394-6.<br />

12. Engvall A. May organically farmed animals pose a risk for Campylobacter infections in humans?<br />

Acta Vet Scand 2001; 85-7 Suppl 95.<br />

13. European Food Safety Authority (EFSA). Report of the Task Force on Zoonoses Data Collection on<br />

the Analysis of the baseline study on the prevalence of Salmonella in holdings of laying hen flocks<br />

of Gallus gallus, The EFSA Journal 2007; 97. EFSA-Q-2006-039. http://www.efsa.europa.eu.<br />

14. European Food Safety Authority (EFSA). Report of the Task Force on Zoonoses Data Collection on<br />

the Analysis of the baseline survey on the prevalence of Salmonella in broiler flocks of Gallus<br />

gallus, Part A, The EFSA Journal 2007; 98, 1-85. EFSA-Q-2006-040. http://www.efsa.europa.eu.<br />

Zoonotiske agens hos fjørfe · Veterinærinstituttets rapportserie 13-2007 115

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