Found these sites for cow fabrics, hope it helps.
http://www.uquilt.com/fabrics_detail.asp?itemID=TTC9684
http://webstore.quiltropolis.net/stores_app/Browse_dept_items.asp?Shopper_id=201988730502019&Store_id=587&page_id=17
http://www.sarahj.com.au/index.php?cPath=85_194&osCsid=25470008c71506da6d12fdee6