1. Commission Directive 2003/57/EC amending Directive 2002/32/EC of the European Parliament and of the Council on undesirable substances in animal feed Official Journal of the European Union L 151, June 19, 2003.
2. Commission Directive 2002/69/EC laying down the sampling methods and the methods of analysis for the official control of dioxins and the determination of dioxin-like PCBs in foodstuffs Official Journal of the European Communities L 209, August 06, 2002.
3. Commission Recommendation 2001/459/EC concerning the reduction of the presence of dioxins, furans and PCBs in feedingstuffs and foodstuffs. Official Journal of the European Communities L 161, June 16, 2001.
4. Council Regulation 2375/2001/EC amending Commission Regulation (EC) No 466/2001 setting maximum levels for certain contaminants in foodstuffs. Official Journal of the European Communities L321, December 06, 2001.
5. Body condition scores and dairy form evaluations as indicators of days open in US Holsteins;Dechow;J. Dairy Sci.,2004