1. Nutrition: Zhengda sheep feed consists of soybean meal, corn and fish meal, while Purina sheep feed is mainly corn soybean meal, without fish meal. In contrast, the nutritional value of Zhengda sheep feed may be higher, because its formula contains fish meal, which may provide more high-quality protein and minerals.
2. Production technology and quality control: Purina feed has performed well in production technology and quality control, especially its products have obtained many certifications in the industry. However, Zheng Da Feed has also performed well in this respect, and its products have passed many quality tests and obtained many certifications.
To sum up, which brand of sheep feed to choose depends on your specific needs and preferences. If there are higher requirements for nutritional value, Zhengda sheep feed may be a better choice; And if you have higher requirements for production technology and quality control, Purina sheep feed may be more in line with your expectations. Please note that this is only based on the comparison of public information, and the specific choice should be based on your needs and the advice of the veterinarian/breeder.