{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Persistency of lactation in dairy cows: a preliminary study of certain Guernsey and Holstein records","author_name":"W L. 1881- Gaines","thumbnail_url":"https://www.ebooknetworking.net/books/117/994/big1179949765.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1179949765.html\">Persistency of lactation in dairy cows: a preliminary study of certain Guernsey and Holstein records</a>","width":400,"height":300}