血粉血粉是屠宰牲畜时所得血液经干燥制成的。血粉含粗蛋白质８０％以上，是很好的蛋白质饲料，其蛋白质的消化率稍低，绵羊和猪对其蛋白质消化率分别是７１％和７８％。原料血易坏，可加０．７％硫酸，这样血液可保存１周。如鲜血在５～１６℃下贮存，添加０．１％福尔马... Blood meal is made by drying the blood that results from the slaughtering of livestock. Blood meal contains more than 80% of crude protein, which is a good protein feed with a slightly lower protein digestibility. The protein digestibility of sheep and pigs is 71% and 78% respectively. Easily raw blood, can add 0.7% sulfuric acid, so blood can be stored for 1 week. Such as blood stored at 5 ~ 16 ℃, add 0.1% Forma ...