{"product_id":"ray-roberts-woodward-relationships-between-preslaughter-and-postslaughter-evaluations-of-beef-cattle-classic-reprint-9780331403954","title":"Relationships Between Preslaughter and Postslaughter Evaluations of Beef Cattle (Classic Reprint)","description":"Excerpt from Relationships Between Preslaughter and Postslaughter Evaluations of Beef Cattle\u0026lt;br\/\u0026gt;\u0026lt;br\/\u0026gt;With few exceptions the calves included in each progeny test were born within a period of 6 weeks. Calving started approximately on March 25 each year. All calves were weighed within 24 hours after birth. Male calves were castrated in May or the first week of June. Each member of a cow herd was selected at random except to bal ance each group for age. Approximately 30 cows were used in each test herd. Bulls were left in the herd for 45 days. All of the cows were carried in common pastures except during the breeding period when they were separated into breeding pastures. Every effort was made to eliminate environmental variables such as pasture differences during the preweaning period.","brand":"Forgotten Books","offers":[{"title":"Default Title","offer_id":53729733083478,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0925\/5829\/5382\/files\/product_image_9780331403954_1.jpg?v=1781777559","url":"https:\/\/www.momoxbooks.com\/products\/ray-roberts-woodward-relationships-between-preslaughter-and-postslaughter-evaluations-of-beef-cattle-classic-reprint-9780331403954","provider":"momoxbooks","version":"1.0","type":"link"}