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How big do koi carp need to be to spawn, and how long does it take to hatch out fry?
Koi carp is a high-end ornamental fish popular around the world today, praised as a living gem in the water and a work of art that can swim. So how big do koi carp need to be to spawn? How long does it take to hatch out fry? According to Mr. Wu, a large-scale breeder, koi carp are oviparous animals; male koi mature at 2 years of age, and female koi mature at 3 years of age. Once the gonads are mature, they can begin to spawn and reproduce; afterward, the gonads mature periodically once a year, allowing one round of reproduction per year.
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Is breeding and selling black-spotted frogs profitable, and what permits are required?
The black-spotted frog (Pelophylax nigromaculatus) is an emerging frog variety, an amphibian belonging to the order Anura, family Ranidae, genus Pelophylax. Because of its delicious meat, diverse breeding environments, and simple management, it has been favored by farmers in southern China in recent years. So is breeding and selling black-spotted frogs profitable?
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What Is High-Bed Farming? A Detailed Guide to Its Advantages
No need to wash the pig pens, and pig manure and urine do not need to be separated; they are mixed directly with bedding material, turned and piled for fermentation, and turned into organic fertilizer. This high-bed pig farming model not only helps pig farms solve the difficult problem of waste disposal and helps them save energy and increase efficiency, but it is also favored by World Bank environmental protection projects
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How to prevent fish gasping for air at the water surface in autumn? Farmers can refer to these 6 measures
In the golden autumn season, gasping-for-air incidents occur repeatedly during pond aquaculture, and in severe cases cause large-scale fish deaths in ponds, resulting in serious economic losses for farmers. So why do fish gasp for air at the surface? What preventive measures are there? Why are fish prone to gasping for air in autumn
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How to Grow Lucky Bamboo in Water in Winter and Precautions
Lucky bamboo (Dracaena sanderiana) is a perennial evergreen small tree foliage plant of the Asparagaceae family and Dracaena genus. It is generally used for household bottle arrangements or potted care, especially the tower-shaped form that spread from Taiwan, China, also known as "fortune bamboo," with high ornamental value. So, how do you grow lucky bamboo in water in winter
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Master on-site breeding pig selection techniques, and pig farmers need not fear buying bad pigs
Breeding pigs are divided into two types, breeding boars and breeding sows, and are the male (breeding boars) and female (breeding sows) parent pigs among domestic pigs that are specifically used for reproduction. Therefore, the quality of the breeding pigs determines the excellence of the next generation of piglets. Now let's talk about what techniques there are for on-site selection of breeding pigs,
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Methods and Precautions for Feeding Beef Cattle Fattening Feed
Nowadays, the beef market is getting better and better, with high prices and good profits, which has led many cattle farmers to expand their farming scale. However, quite a few cattle farmers report that their cattle fattening results are not satisfactory, so even under good market conditions they have not obtained very
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Are Hares Protected Animals, and 2018 Farming Investment and Farm Construction Requirements
Hare refers to the collective name for animals under the genus Lepus, as well as four species in the genera Caprolagus and Pronolagus. So is it a protected animal? How much investment is needed for farming in 2018? What are the requirements for farm construction? According to animal encyclopedia data, there are many species of hares. In China, the mountain hare (eight species in China) living in high-altitude cold regions is listed as a national second-class protected animal. Apart from the mountain hare, the genera Pronolagus, Caprolagus and other wild animals of the genus Lepus are not included in the national protected animal list.
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How many eggs does a hen lay in a day, and does it need a rooster? What can it eat to lay more eggs
Eggs are a breakfast staple for many of us. Small as they are, they are nutritious and provide the energy we need. So, do you know how many eggs a hen lays in a day? Does it need a rooster to lay eggs? What can it eat to lay more? Let's take a look below. One
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Ficus microcarpa Growing Environment, Potted Cultivation Precautions, and the Medicinal Benefits of Its Aerial Roots
Ficus microcarpa, also known as small-leaved fig, evergreen tree, etc., reaches 15-25 m in height, with a flowering period from May to June. Here we take a look at where Ficus microcarpa grows, what precautions are needed for potted cultivation, and what medicinal benefits its aerial roots have. 1. Where does Ficus microcarpa grow? Ficus microcarpa's
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