Paster N, Bartov I, Perelman A
Poult Sci. 1985 Sep;64(9):1673-7. doi: 10.3382/ps.0641673.
The effect of calcium propionate (CP) and Agrosil (AG) as mold inhibitors in wetted mash and pelleted feed was studied using both commercial cattle and poultry rations. Number of fungal colonies isolated after pelleting was markedly reduced; however, wetting the pellets accelerated the build-up of inoculum and resulted in spoilage. The addition of CP (.3%) to the cattle ration before pelleting prevented mold proliferation during one month of storage while the number of fungal colonies counted in pellets treated with AG (.15%) markedly increased over that period. However, AG had a longer fungistatic effect than CP in preserving the mash diet. Both materials, applied at .2%, were ineffective in preserving wet pelleted poultry feed. After 17 days of storage, feed treated with either of the agents was visibly moldy. In all cases, an increase in mold population was concomitant with elevated carbon dioxide concentrations, which indicated the sensitivity of this parameter for measuring fungal activity. Fat content of the diets remained unchanged during the storage period in spite of increased fungal activity.
使用商业牛和家禽日粮研究了丙酸钙（CP）和Agrosil（AG）作为湿料和颗粒饲料防霉剂的效果。制粒后分离出的真菌菌落数量明显减少；然而，将颗粒饲料弄湿会加速接种物的积累并导致变质。在制粒前向牛日粮中添加CP（0.3%）可在储存一个月期间防止霉菌增殖，而用AG（0.15%）处理的颗粒饲料中计数的真菌菌落数量在此期间显著增加。然而，在保存湿料日粮方面，AG的抑菌作用比CP持续时间更长。两种物质以0.2%的用量应用于保存湿颗粒家禽饲料均无效。储存17天后，用任何一种制剂处理的饲料都明显发霉。在所有情况下，霉菌数量的增加都伴随着二氧化碳浓度的升高，这表明该参数对测量真菌活性具有敏感性。尽管真菌活性增加，但在储存期间日粮的脂肪含量保持不变。
