From Egyptian Secrets of Albertus Magnus, Joseph H. Peterson edition:
To Cause a Cow to Give a Good Supply of Milk.
During Christmas night take the milt of a herring, and the sinew thereof; also, bay leaves, saffron, black caraway seed, and mix together; spread upon four pieces of bread, and give it to the cow.
The grimoire Egyptian Secrets of Albertus Magnus lists this spell.