Nutrition
What is the Appropriate Protein Content for Koi Feed?
In response to the current market preference for a "plump body shape," the protein content in koi feed is recommended to be maintained within the range of 42%–46%, with fine adjustments based on growth stages: Tosai (≤1 year old): Peak protein requirement period, recommended 45%–48% to support rapid skeletal framework development....
Key Color-Enhancing Components in Koi Feed
The primary ingredients for enhancing color are synthetic astaxanthin and natural spirulina. Synthetic astaxanthin acts quickly but fades fast, often producing thin, superficial reds and potentially straining the liver. Natural spirulina works gradually, yielding deeper, longer-lasting reds without harming internal organs. High-quality feeds prioritize natural spirulina. How They Work Synthetic...
Why Must Vitamin C Be Added to Koi Feed?
Vitamin C must be added to koi feed primarily because koi cannot synthesize this essential nutrient on their own, and the vitamin C naturally present in conventional feed ingredients is highly susceptible to degradation. During the high-temperature pelleting process of feed production, most natural vitamin C is destroyed due to...
Why Do Koi Require Supplemental Minerals Beyond Calcium and Phosphorus?
Koi require supplemental minerals beyond calcium and phosphorus because various minerals play critical roles in maintaining their physiological functions. For example: Magnesium is involved in bone development and energy metabolism; deficiency can lead to muscle spasms. Iron is essential for hematopoiesis; insufficiency may cause anemia. Zinc promotes wound healing and...
Recent Post
-
-
Key Color-Enhancing Components in Koi Feed
Jan 25, 2026 -
Why Must Vitamin C Be Added to Koi Feed?
Jan 25, 2026 -
