"lishments" - 1 õppematerjal

Liha töötlemine

Regarding the positive ratings for beef trimmings low. animal type, Salmonella incidence after chill- Therefore, routine verification sampling of ing was higher on cow-bull (0.5–4.4%) than beef manufacturing trimmings intended for on steer-heifer (0–2.2%) carcasses (Sofos et use in raw ground beef or beef patty products al. 1999c). The percentage of samples passing has also been initiated at the slaughter estab- the performance criteria for E. coli counts lishments that produce such trimmings. The (m < 5 CFU/cm2) increased from 68.3% at results of a one-year (December 2005– pre-evisceration to 96.2% after final washing January 2007) study for approximately (Sofos et al. 1999b, d). It was more difficult 1,700–1,900 samples of beef trimmings to meet the performance criteria during the showed that the prevalence of E. coli wet (November through January) than the 72 Chapter 3