A Treatise on Milch Cows Whereby the Quality and Quantity of Milk Which Any Cow Will Give May Be Accurately Determined by Observing Natural Marks or External Indications Alone; the Length of Time She Will Continue to Give Milk, &c

A Treatise on Milch Cows Whereby the Quality and Quantity of Milk Which Any Cow Will Give May Be Accurately Determined by Observing Natural Marks or External Indications Alone; the Length of Time She Will Continue to Give Milk, &c