Premium for slaughtering Cows Case (I). Orsolina Leonesio v. Italian Ministry of Agriculture and Forestry. Case 93 171. Preliminary ruling of May 17, 1972 on the request of the Pretore of L - Common Market Law Review View Premium for slaughtering Cows Case (I). Orsolina Leonesio v. Italian Ministry of Agriculture and Forestry. Case 93 171. Preliminary ruling of May 17, 1972 on the request of the Pretore of L by - Common Market Law Review Premium for slaughtering Cows Case (I). Orsolina Leonesio v. Italian Ministry of Agriculture and Forestry. Case 93 171. Preliminary ruling of May 17, 1972 on the request of the Pretore of L 10 3 Common Market Law Review