Arias L, López M, Losada H, Cortés J, Vieyra J, Soriano R and Grande D 2002: A note on the effect of molasses/urea lick blocks on the production of milk and corporal conformation of dairy cows maintained in the urban environments of Iztapalapa, Mexico City: A case study. Livestock Research for Rural Development. Volume 14, Article #63. Retrieved , from