Shop By Featured Category. Business, Office & Industrial. Clothes, Shoes & Accessories. Home, Furniture & DIY. Welcome to Johnston Supplies: Proudly Serving The Local Farming Community For Over 15 Years. 48kg Sheep/Cattle Molasses Feeder. Welcome to Johnston Supplies. Serving the local farming community for over 15 years. We are a family run business and believe in offering quality products for the best price possible. We stock a wide range of Agriculture, Poultry and Equestrian goods. Thank you for shopping with us!