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How to improve the body color of adult eels? A practical farming method explained
The body color of eels plays a decisive role in sales. Raising eels with good body color is the eager hope of all farmers and a subject that many feed manufacturers have been exploring. To solve the eel body color problem, you must first understand the causes of eel body color and the factors that affect it. The production of eel body color: eel body color is mainly the result of the combined action of multiple factors such as carotenoids, melanin, pterins and guanine. Factors affecting eel body color: 1. In feed
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How to identify fish species? Observing appearance and color is key
First, look at the size specifications of the fish species. Fish of the same species from the same pond should be uniform and even in size when harvested, with little difference in body length and weight. Conversely, poor-quality fingerlings with large individual differences and uneven sizes often result in very low overall survival rates due to competition for food, mixed genetic stock, poor rearing, and other reasons. Second, look at the body color of the fish species. High-quality fingerlings have vivid, glossy body colors. Generally speaking, high-quality silver carp fingerlings should have a silver-gray back and silvery-white sides and belly; high-quality grass carp fingerlings have a pale golden-yellow body color, with gray-black reticulated scales that are relatively prominent, and the more robust the fish, the more obvious the pale golden-yellow color; high-quality bighead carp fingerlings mostly have a pale golden-yellow body color, with black markings across the body not very prominent. If the fingerling's body color is relatively dark, or even blackish, it indicates that the fingerling is a weak fry or diseased fish; the gloss on the body surface of fingerlings is caused by the mucus layer covering the body surface, which is the fish's first barrier of defense against disease. Diseased fish or weak fry lack the mucus layer, and their body surface has no gloss.
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Why are potatoes so colorful? Peru has bred new colorful varieties
Have you ever seen "colorful" potatoes? In Peru, besides the most ordinary earth-yellow potatoes, local farmers also grow potatoes in a riot of colors and bizarre shapes, bringing Peru's potato varieties to as many as 3,500. During the potato harvest season in the Andean mountain region, many local farmers are busy harvesting potatoes. The potatoes here are no longer a single earth-yellow, but come in a dazzling array: yellow, red, blue, purple, violet, and pink with yellow spots, and so on. The many-colored
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How many colors does the Chandelier Kalanchoe come in, and how should it be propagated by cuttings?
Chandelier Kalanchoe, this is also a type of succulent plant, and it grows super beautifully. When it blooms, how many colors does the Chandelier Kalanchoe come in? How to propagate by cuttings: How many colors does the Chandelier Kalanchoe come in: There are currently about 70 or more varieties of Chandelier Kalanchoe, so the colors are also very numerous.
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How do you care for colored calla lilies, and how do they differ from peace lilies?
There are many kinds of calla lilies, and quite a few people are rather fond of growing colored calla lilies.
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How do you grow Amaryllis so it blooms big and has good color? Treat it like this after flowering
Amaryllis, this is something many people like to grow, and amaryllis is just that popular. How do you grow amaryllis so it blooms big and has good color? How to treat amaryllis after it blooms: How to grow amaryllis so it blooms big and has good color: 1. Water: Amaryllis needs to keep the plant moist, and watering should be thorough
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Is Amaranthus tricolor poisonous? Detailed guide to growing methods and toxicity
Amaranthus tricolor, the leaves of this plant are a little different from the leaves of ordinary plants. Let's see how to grow Amaranthus tricolor. Is Amaranthus tricolor poisonous? How to grow Amaranthus tricolor: Soil - Amaranthus tricolor is not demanding about soil. Potted Amaranthus tricolor generally uses a mixed soil, blending garden soil, leaf mold and fine sand.
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How do you grow roses so they bloom abundantly with lush foliage? An introduction to common rose colors
Roses are a symbol of love. Every Valentine's Day, these flowers sell especially fast, and many people grow roses in large quantities, so that at a glance along the streets and alleys almost all you see are roses. So what is the secret to growing roses? Let's find out.
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A detailed guide to dahlia planting methods: brilliantly colorful and endearing
The dahlia's flower shape resembles that of the magnificent tree peony, and its colors are brilliantly diverse and endearing. Mexicans regard the dahlia as a symbol of generosity and opulence, and therefore honor it as the national flower. Let's take a look below at the dahlia's planting methods.
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How to Grow, Color, and Prune Endless Summer Hydrangeas
Endless Summer is what we call the hydrangea, and it is used quite a lot at weddings. Most brides choose Endless Summer for their bouquets. The flowers of Endless Summer are very large, like a hydrangea ball, which is why it is called hydrangea. How do you grow Endless Summer? What are the tricks for coloring and pruning?
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