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What are the effective control methods for the black scarab beetle?
The black scarab beetle is known locally as "tiewoyang" (iron nest seedling). In Wuhe Township, Tengchong County, it is one of the main pests harming crops, with particularly severe damage to sugarcane and dry-raised rice seedlings. It mainly bites the stem base of sugarcane seedlings and rice seedlings, causing the entire plant to die and having a huge impact on sugarcane and rice. The insect's living habits are: during the day it burrows into the soil to rest, and in the evening and at night it comes out to be active, mostly causing clustered damage with a fierce onset, and the harm to sugarcane and dry-raised seedlings is quite serious. For control, the first method is to use irrigation water to make the scarab beetles float to the surface of the water for manual
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What are the effective fattening methods for commercial rabbits?
Fattening rabbits is the last stage of rabbit production. Its purpose is to produce good rabbit meat and rabbit skins. The fattening of domestic rabbits works best after the skeletal growth and development is complete. The feeding and management of domestic rabbit fattening must meet the following five key points: 1. Concentrate feed point. After the skeletal growth and development of domestic rabbits is complete, the weight gained during fattening is mainly muscle and fat. During fattening, concentrate feed should be the main component, especially feeds rich in carbohydrates, such as sweet potato, potato, taro, radish, etc. And green fodder should be appropriately included.
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Effective Methods to Prevent Browning After Lily Harvest
During the harvesting and storage of lilies, prolonged exposure to sunlight causes the lily scales to change color from white to brown, a condition known as browning. Browning is an oxidation reaction catalyzed by biological enzymes in the lily scales. Browning reduces the quality of commercial lilies; in the case of lily seed bulbs, browned bulbs have a low germination rate and are prone to rotting. This year lilies matured early, and harvesting is expected around early July, so attention should be paid to preventing browning early. During harvesting, care should be taken to provide shade coverage. Under strong direct sunlight
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How to kill scarab beetles? Five effective control methods
The larvae of scarab beetles, commonly known as chicken-manure grubs, gnaw at the roots of seedlings. Besides biting through lateral roots and the main root, they can also strip and devour the root bark completely, causing missing seedlings and broken rows, and in severe cases even disastrous damage. Adult scarab beetles feed on both leaves and flowers, and they reproduce extremely quickly, so they can easily harm seedlings. They are a common major pest in forestry. The period when adults cause rampant damage is roughly from June to October, and this is the best time for control: it both controls the damage caused by adults and keeps the next generation's population density in check, yielding twice the result with half the effort.
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How Can the Disease Resistance of Fish Be Improved? 6 Effective Methods
Under current farming conditions, it is impossible to eliminate all pathogens. But to control the occurrence of fish diseases, we can start with scientific breeding management and maintaining the ecological balance of the aquaculture water body to improve the disease resistance of fish. As long as the measures are appropriate, we will achieve twice the result with half the effort. 1. Reasonable mixed culture. Reasonable mixed culture can not only increase the yield per unit area, but also has a certain effect on the prevention of fish diseases. Because the parasites suitable for different species of fish are not exactly the same, some parasites can only parasitize a certain species of fish,
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Effective prevention and treatment methods for false pregnancy in sows
What is false pregnancy? After mating, a sow is not actually pregnant, but her belly grows day by day, and her udder gradually enlarges, until in the end some clear milk can even be squeezed out, yet she does not give birth; then the belly and udder gradually shrink back. This phenomenon is called false pregnancy. Causes of false pregnancy: First, due to early embryonic death and absorption, the corpus luteum of pregnancy does not disappear, causing progesterone to continue being secreted, as if the pregnancy were still continuing. Second, due to malnutrition, the sow's endocrine system becomes disordered, and the sow's estrous cycle is delayed
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How to control the pear yellow gall aphid? A full analysis of effective methods
The pear yellow gall aphid, also called the pear yellow powder insect, attacks only pears and fruit trees of the genus Pyrus. It is tiny: the adult is 0.7 mm long, bright yellow, and obovate, with short 3-segmented antennae, short black legs, and a long mouthpart that even extends beyond the tip of the abdomen; the egg is even smaller, only 0.3 mm long and pale yellow. Adults and nymphs of the pear yellow gall aphid feed in the calyx basin and stem cavity of the fruit. The damaged area of the fruit surface becomes sunken and then turns black and rots, forming cracked large black scars, which lowers fruit quality and causes the fruit to lose part or all of its commercial value. Manual control
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Effective Control Methods for Haemophilus parasuis Disease
In recent years, with immunosuppressive diseases such as porcine reproductive and respiratory syndrome (PRRS) and porcine circovirus disease invading pig herds to varying degrees, and with another immunosuppressive disease in most pig farms, mycoplasma pneumonia, "adding fuel to the fire," the immunity and resistance of pig herds have been severely reduced, and mixed infections of diseases have become very common. In technical services, we have found that Haemophilus parasuis disease often appears as a secondary or concurrent infection in the nursery and growing barns of some pig farms, greatly increasing the mortality and culling rate of pig herds and causing huge losses to pig farms.
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Detailed Explanation of Effective Methods for Chemical Castration of Pigs
For young male pigs raised for fattening, once they reach a certain weight, their testicles must be surgically removed. Below is an introduction to a chemical castration method. This method is very simple: inject a mixture of sodium chloride and formaldehyde solution into male piglets within 10 days of age, and their testicles will begin to swell, then subside on their own after 5 days. After about half a month, the testicles shrink significantly and lose sexual function. The specific method is: dissolve 10 grams of sodium chloride in 100 milliliters of distilled water, then add 1 milliliter of formaldehyde solution, shake well and filter. This makes the chemical castration solution, which can be stored in a sterilized bottle for later use. Injection
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Effective prevention methods for fish surfacing in summer
I. Prediction of fish surfacing 1. In summer, strong sunlight and high temperatures during the day, and weather in the evening. Sudden thunderstorms or a south wind during the day with high water temperature, then a sudden turn to a north wind at night, causing the water temperature to drop rapidly. 2. Continuous overcast and rainy weather, low air pressure, muggy conditions, weak wind, and foggy weather. 3. Long periods of clear weather without rain, fish feeding vigorously, dense water color, and sudden weather changes. II. Rescue of fish surfacing, 1. Add fresh water Adding fresh water increases dissolved oxygen, improves water quality, and expands the range of activity for fish. 2. Turn on the aerator
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