Professional paper
AFLATOXIN CONTAMINATION OF DAIRY COWS FEED COMPONENTS AND CONSEQUENT EMERGENCE OF AFM1 IN MILK
Brigita Hengl
orcid.org/0000-0001-8082-2087
; Hrvatska agencija za hranu, Osijek, Hrvatska
Andrea Gross Bošković
; Hrvatska agencija za hranu, Osijek, Hrvatska
Marcela Šperanda
; Poljoprivredni fakultet u Osijeku, Osijek, Hrvatska
Abstract
Mycotoxins are one of the important contaminants of animal feed and food. Therefore, it is necessary to monitor their concentration in feed on several years basis, because their incidence is primarily affected by weather conditions and technology of primary production whish must be adapted to any particular situation. Increased aflatoxin (AF) contamination of corn and feed mixture for dairy cows was recorded in 2013, which resulted in subsequent increased contamination of milk with aflatoxin M1. In Croatia, special attention is devoted to monitoring aflatoxin in three counties (Osijek-Baranja, Vukovar-Srijem and Brod-Posavina County) where a total of 564 corn samples and 261 sample mixtures for dairy cows were taken. Contamination of the individual samples of corn ranged from 0.001 to 2.07 mg/kg, and the average contamination value of maize with AFB1 was 0.036 mg/kg (allowed conc. 0.02 mg / kg). Contamination of the feed mixture for dairy cows samples ranged from 0.001 to 0.254 mg/kg, while the average contamination value of mixture was 0.013 mg/kg (allowed conc. 0.005 mg/kg). At the same time the analysis of aflatoxin M1 in milk was made which covered the daily milk production in these counties of 76806 litres of milk in three largest dairies in Croatia. Contamination of milk ranged from 0.001 to 0.897 μg/kg, while the average contamination value of milk was 0.06 μg/kg (allowed conc. 0.05 μg/kg).
Keywords
corn; feed mixture; dairy cattle; milk; aflatoxins
Hrčak ID:
143546
URI
Publication date:
18.8.2015.
Visits: 2.086 *