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How to control the citrus black scale in orange orchards? The pure yellow aphelinid wasp comes to the rescue
[Morphological characteristics] Female wasp body length 0.92-1.18 mm, yellow, without color spots. The posterior margin of the scutellum has dark brown stripes. The base of the forewing has short black stripes; the ventral side of the antennal scape is dark brown, and the remaining segments are deep fuscous. Legs yellow. Compound eyes with fine hairs. Thoracic hairs thick and black; the scutellum bears 4 hairs; the forewing is 2.25 times as long as wide; the ovipositor is 1.9-2.01 times the length of the middle tibia. Male wasp body length 0.71-0.92 mm; the forewing is wider than that of the female, 2.2-2.33 times as long as wide. Important differences from Aphytis chrysomphali: the pure yellow aphelinid wasp of the citrus black scale is a bisexual species, and the propodeum is shorter, 0.75-0.8 times the length of the scutellum. The fan-shaped projections are large and elongated. Strongly overlapping; the thorax and venter of the mature pupa are dark brown, with only the abdominal tip lighter in color. Aphytis chrysomphali is a unisexual species, with males rarely seen in nature; the propodeum is longer, equal to or slightly longer than the scutellum. The posterior margin is broadly arched; the fan-shaped projections are small, rounded, and not overlapping. The mature pupa is yellow, with only a single black longitudinal line on the mesothoracic ventrite.
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What are the emergency rescue methods for frozen kits (baby rabbits)?
Causes of kits freezing: one is that the due date was not recorded properly or the doe kindled early for some reason, and the kindling box was not put in place in advance; another cause is that the doe's maternal instinct is weak, and she kindled outside the box; a further cause is that after nursing, when the doe jumps out of the kindling box, individual kits that are not getting enough milk clamp onto the teat and will not let go, so they are dragged out and become frostbitten because the weather is relatively cold. Regardless of the cause, a frostbitten kit must not be left too long; if its heart is still beating, emergency measures will generally succeed. The methods are as follows: 1. Immerse the kit
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Rescue Methods and Emergency Treatment Measures After Pig Poisoning
The causes of pig poisoning fall into two categories: feed poisoning and drug poisoning. There are five commonly used rescue methods: Emesis is generally used for poisoning by drugs such as organophosphates. For subcutaneous injection of emetics, there is veratrine 0.01-0.03 grams, or oral emetic ipecac powder 1-3 grams (or antimony potassium tartrate 1-2 grams); if no emetic is available, a wooden stick or rubber tube can also be used to lightly wipe the throat mucosa to induce vomiting. Gastric lavage: when the poison has entered the pig's body for 4-6 hours, gastric lavage should be performed. For hydrocyanic acid poisoning, 1
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What to Do If a Pig Is Poisoned? Rescue Methods Every Pig Farmer Must Know
① Emetic: generally used for poisoning by organic phosphorus and similar drugs. Subcutaneous injection of the emetic veratrine 0.01-0.03 g, or oral administration of the emetic ipecac powder 1-3 g; if no emetic is available, a wooden stick or rubber tube may be used to lightly wipe the throat mucosa to stimulate vomiting. ② Gastric lavage: when the poison has been in the pig's body for 4-6 hours, gastric lavage should be performed. For hydrocyanic acid poisoning, a 1% potassium permanganate solution or 3% hydrogen peroxide may be used; for organic phosphorus pesticide poisoning, a 1%-5% sodium bicarbonate solution may be used; for zinc phosphide poisoning, a 1% copper sulfate solution may be used. Gastric lavage is not suitable for corrosive drug poisoning
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What are the rescue methods for allergic reactions in cattle and pigs?
When mass vaccinating cattle against bovine pleuropneumonia and foot-and-mouth disease and using drugs such as antibiotics and sulfonamides, livestock such as cattle and pigs can develop allergic reactions. After an allergic reaction occurs in livestock, edema develops in multiple parts of the body, along with symptoms such as allergic bronchitis and asthmatic bronchopneumonia; in severe cases or if rescue is delayed, it can lead to death. Russian livestock workers have adopted a method for treating allergic reactions in livestock, which is to inject livestock subcutaneously with a 1% atropine sulfate solution as soon as the first clinical symptoms appear
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Prediction Methods and Rescue Measures for Fish Pond Overturn
In summer and autumn, when temperatures are high and microbial activity is vigorous, if a fish pond receives large amounts of fertilizer and feed, the fish can easily come to the surface gasping for air due to oxygen deficiency. If rescue measures are not taken in time, the fish will suffocate and die. Therefore, fish pond management should be strengthened at ordinary times, prediction should be done well, and rescue measures should be taken promptly when fish come to the surface gasping for air, so as to prevent fish pond overturn. Signs before overturn: On the afternoon of a hot day, if organic matter in the pond is found fermenting and producing large amounts of bubbles that cover 1/2 of the pond water surface, and a fishy, foul odor can be smelled from far away from the pond, it indicates that pond overturn is about to occur. In weather that alternates between clear and rainy, in windless, muggy thundering weather, or after heavy thunderstorms, observe the fish pond carefully to prevent fish pond overturn. For fish ponds with severe surface gasping, be especially careful to prevent fish pond overturn. In fish ponds where severe surface gasping occurs, pond overturn mostly happens in the middle of the night and early morning.
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What to Do When Silkworms Are Poisoned? Detailed Explanation of Six Rescue Methods
1. Bleaching powder detoxifying solution. For mulberry leaves contaminated by bacterial pesticides, use 0.15-0.25 kg of bleaching powder, add 50 kg of clean water to make a bleaching powder solution. Take the clarified liquid and spray it on the surface and underside of mulberry leaves, and feed the silkworms only after the leaves have no medicinal odor. 2. Atropine aqueous solution. When mulberry leaves contaminated by organophosphorus pesticides and arsenic-containing pesticides cause silkworm poisoning, use 0.3 g atropine tablets or 0.5 g atropine liquid in 1 vial, add 0.5 kg of cooled boiled water, rinse the poisoned silkworms or spray it on mulberry leaves as an additional feed, until the silkworms
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How to Rescue a Poisoned Pig? First Aid Methods Every Farmer Must Know
1. Rapeseed cake poisoning. Grind 300 grams of soybeans into soy milk, take the egg whites from 5 eggs, mix the soy milk and egg whites and administer in 1 dose, once a day, for 2 to 3 consecutive days. 2. Salt poisoning. 80 grams of vegetable leaves and 350 grams of chrysanthemum flowers, decoct in water and administer, twice a day, for 3 to 4 consecutive days. 3. Moldy corn poisoning. 150 grams of Fangfeng (Saposhnikovia divaricata), 25 grams of licorice, and 250 grams of mung beans, decoct into a soup, add 80 grams of white sugar, and administer in 1 dose. 4. Furazolidone poisoning. Decoct 400 grams of licorice into a juice, 1 piglet
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How to rescue pond fish after ammonia-nitrogen poisoning?
When carp, grass carp, bream, white pomfret, crucian carp, etc. are fed with pelleted feed, because the feeding amount is large, excrement and leftover feed increase, and the nitrogenous substances produced by protein decomposition increase accordingly. If even slightly careless, these fish will suffer ammonia-nitrogen poisoning, which at best affects normal growth and at worst causes the death of the fish. The identification and rescue methods for ammonia-nitrogen poisoning in pond fish are described below. I. Identification of poisoning 1. Occurrence characteristics. Ammonia-nitrogen poisoning has no distinction of season, morning or evening, or good or bad weather, and is mostly seen in adult fish
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How to Rescue a Falsely Dead Piglet? A Detailed Guide to Practical First Aid Methods
When a piglet just delivered by a sow has obstructed or stopped breathing but its heart is still beating, it is in a state of false death. If not rescued in time, true death may occur. Using the "umbilical cord pinching method" to rescue falsely dead piglets offers a relatively high chance of revival. Main method: first clear the mucus from the nasal cavity of the falsely dead piglet, place the piglet on a soft mat with its head slightly elevated, cut the umbilical cord 3-5 cm from the body, then pinch the end of the umbilical cord tightly with one hand and squeeze it toward the base of the cord. Do this 10 times per minute, repeating without interruption. Under normal circumstances,
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