CATDOLL : CATDOLL: What is the investment cost of shrimp farming per acre, what conditions are needed, and how long is the cycle?

What is the investment cost of one acre of shrimp farming, what conditions are required, and how long is the cycle?

answer

Shrimp seedling investment: Generally, only about 120 kilograms of shrimp seedlings are needed per mu. The price of shrimp seedlings in the market is about 48 yuan/kilogram. The investment cost of one mu of shrimp seedlings is 5,800 yuan. Pond rental: One mu of pond costs about 1,000 yuan. Labor cost: Shrimp farming technology is relatively simple, about 1,200 yuan per mu. Bait cost: Shrimp has a mixed diet, about 2,000 yuan, so the cost of farming one mu of shrimp is about 10,000 yuan.

1. Investment cost per acre of shrimp farming

1. Investment of shrimp fry: Since shrimp has a strong reproductive capacity, generally only about 120 kilograms of shrimp fry are needed per acre. The current market price of Heshanxin shrimp fry is about 48 yuan per kilogram, so the investment cost of one acre of shrimp fry is about 5,800 yuan.

2. Pond rental: The pond is generally 1,000 yuan per mu, but its price is mainly determined by the local market and the quality of the pond. If the farmer has his own pond, this investment is not necessary.

3. Labor cost: Shrimp farming technology is relatively simple. If the farmer has farming experience, he does not need to hire labor. But if labor is needed, it will cost about 1,200 yuan per mu.

4. Feed cost: Since shrimps have a mixed diet, you need to invest some cultivated plankton and small fish and shrimps, or plant some melons, beans and vegetables as shrimp bait. Therefore, the feed cost is about 2,000 yuan.

5. Based on the above calculations of shrimp fry, ponds, labor and bait, the cost of raising one acre of shrimp is about 10,000 yuan.

2. What conditions are needed to raise shrimp?

1. First of all, if you are raising freshwater shrimp, then site selection is an important prerequisite. When raising shrimp, the surrounding water source must be of relatively high quality. It is best not to have other farmed shrimps near the shrimp pond, so that the shrimp can be guaranteed to have a relatively good water source for water changes during the peak growth period.

2. When raising shrimp, the pH value of the pond water needs to be kept between 7.8-8.6, but it should not be higher than 9.1. In addition, new water should be added frequently to keep the water transparency at about 30-40 cm. Quicklime solution must be sprinkled into the shrimp pond regularly to adjust the water quality and disinfect it to prevent diseases and failure of molting. When the shrimp breeding density in the pond is too high, the oxygen content in the water should also be paid attention to and an oxygen pump should be installed.

3. How long is the shrimp farming cycle?

1. Generally speaking, the shrimp breeding cycle is 2-3 months. However, due to the differences in species, the shrimp breeding cycle may also vary. For example, the breeding cycle of whiteleg shrimp is about 3 months, and the breeding cycle of rosenbergii shrimp is 2-4 months. When raising shrimp, it is necessary to catch them in time. Usually, they can be put on the market when they grow to 4-5 cm.

2. It is advisable to release shrimp fry on cloudy or rainy days, and in the morning and evening on sunny days. This can avoid direct sunlight that affects the survival rate of stocking. The shrimp fry should be released in full at one time.

Can shrimp with empty stomach and jejunum continue to be cultured? What conditions are required for shrimp culture?

Shrimp jejunum and empty stomach can continue to be cultured after treatment. 1. Water quality: pH 8.2-8.6, dissolved oxygen content of water body 4-5mg/L or more, total alkalinity 120mg/L or more, ammonia nitrogen content 0.4mg/L or less, hydrogen sulfide content 0.01mg/L or less, nitrite content 0.05mg/L or less. 2. Pond: area 2-12 mu, water depth 1.5-2.5m, length-width ratio 2:1, with water inlet and outlet.

1. Can shrimp with empty stomach and jejunum continue to be cultured?

After treatment, shrimp with empty stomach and jejunum can continue to be cultured.

1. Weakness during the molting period

(1) Specific reasons: During the molting period, due to poor water quality, lack of oxygen in the water or poor physical condition of the shrimp, physiological hypoxia occurs, and a large amount of nutrients in the body are consumed, resulting in the emptying of food in the stomach and intestines.

(2) Treatment method: For every 2 mu of pond, use 1 pack of Degrading Spirit, 0.5 bottles of Ion Pair Calcium, and 0.5 pack of High Stability C and spray throughout the pond.

2. Environment and climate change

(1) Specific reasons: Haze, low pressure and sultry days, heavy rain, cold waves, wind direction changes, high temperatures, etc., will cause stress to shrimp, resulting in a decrease in shrimp appetite. At the same time, the water environment deteriorates, leading to the death of a large number of algae. Ultimately, shrimp will have an empty stomach due to eating too much dead algae.

(2) Treatment method: Use half a bottle of Qingyuan diluted with water for each acre of pond, then mix it with river sand and spray it all over the pond. Then use one pack of Kaiwei Jiedu Ling, half a bottle of Active Garlic Treasure, half a pack of Enzymatic Polysaccharide and Orange for each acre of pond and spray it all over the pond. At night, use half a pack of Liukongdijiankang and Lilishen for each acre of pond and spray it all over the pond.

3. Bacteria

(1) Physical and mental causes: Mainly due to excessive Vibrio content.

(2) Treatment method: In the evening, place a pack of Delikang and a pack of Lili Shen (the amount required for a two-acre pond) around the aerator and feeder. On the second day, dilute half a bottle of Qingyuan with water per acre of pond, mix it with river sand, and spray it all over the pond. Then use half a bottle of Bencao Dakang, half a bottle of Active Garlic Treasure, and half a pack of enzymatic polysaccharides to spray all over the pond.

2. What conditions are required for shrimp farming?

1. Water quality requirements

(1) The water transparency is 25-30cm, the pH is 8.2-8.6, and the dissolved oxygen content is above 4-5mg/L.

(2) The total alkalinity should be above 120 mg/L, the ammonia nitrogen content should be below 0.4 mg/L, the hydrogen sulfide content should be below 0.01 mg/L, the nitrite content should be below 0.05 mg/L, the copper ion content should not exceed 0.01 mg/L, the zinc ion content should not exceed 0.1 mg/L, the lead ion content should not exceed 0.05 mg/L, and the chromium ion content should not exceed 0.1 mg/L.

(3) The total number of heterotrophic bacteria is 105-106/ml, the total number of Vibrio is less than 1000/ml, and the number of Vibrio chlororaphis is less than 100/ml.

2. Pond requirements

(1) The breeding area should be between 2 and 12 mu, not too large to facilitate fishing.

(2) The pond water depth should be controlled at about 1.5-2.5m, the pond bottom should be flat, the bottom should be sandy, and the silt thickness should not exceed 10cm.

(3) The length-to-width ratio of the pond is 2:1, and the slope ratio is 1:2.5-3.

(4) The pond is equipped with an inlet and an outlet. The inlet is covered with a 60-mesh silk screen, and the outlet is equipped with a blocking net to prevent miscellaneous fish from swimming upstream and entering the breeding pond.

3. Requirements for shrimp seedlings

The shrimp fry are required to be over 0.7cm in length, uniform in size, with a smooth body surface, complete appendages, open tail fan, full muscles, strong vitality, powerful jumping, and the ability to push against water and attach to the wall.