The problem of discoloration of yellow croaker

Is pigment used in the feed of Pelteobagrus fulvidraco? How can some feeds fade after a period of time, while some feeds don't fade when fed casually? The main functions of EM microbial probiotics in aquatic products are as follows: 1. Reduce pathogenic microorganisms and bad algae, significantly enhance the immunity and disease resistance of cultured objects, and improve the survival rate. 2. Zooplankton and beneficial algae increased, especially red worms. 3. Stable and improve water quality, fresh water, no odor, no hydrogen sulfide, ammonia and other odors, visibility in 25-50 cm for a long time and stable, water change time extended 2 times. 4. Fish and shrimp droppings and scraps will not turn into silt and appear as loose sand. 5. The growth was promoted and the weight gain rate increased obviously. Henan Shenzhong Co., Ltd. produces special aquatic bacteria-EM probiotics, free technology. All aquaculture varieties are suitable, such as fish, eel, soft-shelled turtle, crab, frog, shrimp, eel, snail, clam, Loach and so on. The microorganisms are: bifidobacteria, spore bacteria, photosynthetic bacteria, lactic acid bacteria, actinomycetes, acetic acid bacteria and other beneficial bacteria. Contact: 1 51 371 7 9 8 3 8Q QRU 2 3 3 4 09 07 website: www.371em.cn-- hehe. That's what everyone wrote. Alas! Didn't you experts tell you that some of the bacteria you mentioned could not grow at the same time under the same conditions? Hey! I wonder if you can make my pond look like a vegetable market with all kinds of dishes. And it is classified regularly, ! -- this post was finally edited by challenge0 at 21:24 on May 5-6, 2009. The problems you mentioned have been studied more now, and the fading problems can basically be recovered in half a month to a month. Do you have any materials like this upstairs? Let me have a look at some of them. Thank you zjy1314179wm2sina.comzjying for adding the following content at 08:08 on 2009-5-7 08:08 zjy1314179wm@sina.com Thank you! Aquatic products is also a beginner, learn a lot-who has the successful experience of yellow catfish from black to yellow, can you share it? Reply "wyg6633-reply" zys301 artificial breeding with yellow material on it: two options 1. Add 6-8 kg yellow pigment to 1 ton of powder. two。 Directly use expanded granules to add yellow feed-reply to zys301, what do you use to add yellow? I think we use a ton of yellowed fish to estimate that we are bankrupt before the fish are raised. It's too expensive. Would you please tell me what you use to add yellow?