Aperçu gratuit du livre A Treatise On Milk Cows, Whereby The Quality And Quantity Of Milk Which Any Cow Will Give May Be Accurately Determined By Observing Natural Marks Or External Indication Alone; The Length Of Time She Will Continue To Give Milk, &c
A Treatise On Milk Cows, Whereby The Quality And Quantity Of Milk Which Any Cow Will Give May Be Accurately Determined By Observing Natural Marks Or External Indication Alone; The Length Of Time She Will Continue To Give Milk, &c