Changes in the level of money expenditure and real investment by farmers in veterinary services and medicines between 1954-55 and 1969-70.
D000383:Agriculture; D000818:Animals; D002417:Cattle; D004467:Economics; D004739:England; D007449:Investments; D008892:Milk; D012756:Sheep; D013997:Time Factors; D014730:Veterinary Medicine