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Transfer of aflatoxin from feed to milk and curd in Sarda ewes with different milk production level

Battacone, Gianni and Palomba, Michele Francesco Luigi and Usai, Mario Graziano and Pulina, Giuseppe (2003) Transfer of aflatoxin from feed to milk and curd in Sarda ewes with different milk production level. Italian Journal of Animal Science, Vol. 2 (Suppl. 1), p. 530-532. eISSN 1828-051X. Article.

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Aflatoxin B1 (AFB1) is a toxin produced by some strains of Aspergillus growing in feedstuffs. Dairy animals fed with diet containing AFB1 excrete aflatoxin M1 (AFM1) into the milk. The carry over ratio (AFM1 excreted in milk/ AFB1 ingested) has been found lower in sheep (Battacone et al., 2002a) than in cattle (Veldman et al., 1992). Being AFM1 linked to milk proteins, its concentration in curd is higher than in milk. The AFM1 concentration in milk resulted not influenced by milk production level in cattle, therefore the total amount of AFM1 excreted in milk and, consequently, the carry-over ratio increased with milk yield (Munksgaard et al., 1987; Veldman et al., 1992). A previous study carried out on isoproductive dairy ewes showed an increase of the AFM1 concentration both in milk and in curd as the amount of AFB1 ingested increased (Battacone et al., 2002b). Aim of the present work is to study the influence of AFB1 dose and milk production level on the transfer of AFB1 from feeds to milk and curd as AFM1 in dairy ewes.

Item Type:Article
ID Code:5817
Uncontrolled Keywords:Aflatoxin, sheep, milk, curd, Sardinia
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/19 Zootecnica speciale
Area 03 - Scienze chimiche > CHIM/08 Chimica farmaceutica
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze zootecniche
001 Università di Sassari > 01 Dipartimenti > Farmaco, chimico, tossicologico
Publisher:Avenue media on behalf of Scientific Association of Animal Production (ASPA)
Publisher Policy:Depositato per gentile concessione dell'ASPA
Additional Information:Relazione presentata al 15. Congresso nazionale ASPA, Parma, 18-20 giugno 2003.
Deposited On:24 Mar 2011 10:13

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