Land O Lakes Bovine lgG Colostrum Replacer Diamond Naturals Dog Food 242 lbs average breaking strength Numbers:1 25 242 lbs average breaking strength The all natural supplement is formulated with the highest quality of Omega 3 and Omega 6 essential fatty acids she requires high quality colostrum within the first few hours of life to achieve successful passive transfer of immunity through absorption of IgG across the intestinal wall and into circulation LAND O LAKES® Bovine IgG Colostrum Replacer is specially formulated to replace or supplement maternal colostrum as an aid in the treatment of failure of passive transfer