Is the anthelmintic effect of heather supplementation to grazing goats always accompanied by anti-nutritional effects?

1. Frutos, P.
2. Moreno-Gonzalo, J.
3. Hervás, G.
4. García, U.
5. Ferreira, L.M.M.
6. Celaya, R.
7. Toral, P.G.
8. Ortega-Mora, L.M.
9. Ferre, I.
10. Osoro, K.