In modern animal feed production, heat stable phytase has become an indispensable additive. Feed mills increasingly use higher conditioning and pelleting temperatures (often 80–95°C) to improve pellet quality, feed hygiene, and production efficiency. Under these harsh conditions, conventional phytases lose a large portion of their activity, leading to inconsistent phosphorus release and reduced animal performance. A high-quality heat stable phytase solves this problem by retaining strong enzymatic activity after pelleting, ensuring reliable nutrient availability and better economic returns.Qingdao Jiuzhou Shouwang Biotechnology Co., Ltd. is a high-tech enterprise focused on the research, production, and application of enzyme preparations. With a fermentation volume of 1,200 CBM and an annual production capacity of 150,000 standard tons (10,000 U/g), the company has built a complete service chain covering enzyme screening, genetic engineering, protein engineering modification, fermentation process optimization, and technical application support. Its strategic sales partner, Jinan Hemu, helps deliver these solutions efficiently to the market.
Phytate is the main storage form of phosphorus in plant-based feed ingredients such as corn, soybean meal, and wheat. Monogastric animals (poultry and swine) cannot efficiently utilize this phytate-bound phosphorus. Adding phytase breaks down phytate and releases available phosphorus. However, the enzyme must survive the heat and moisture of the pelleting process to remain effective in the finished feed.Industry experience shows that many standard phytases suffer significant activity loss above 80°C. This under-dosing forces nutritionists to either increase enzyme inclusion rates or add more expensive inorganic phosphates. A true thermostable phytase is engineered to maintain high recovery rates (typically above 80% at 85°C, and higher with advanced formulations), allowing accurate matrix values and consistent results under real mill conditions.
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