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Comprehensive Midwifery Measures for Farrowing Sows Explained in Detail
Assisting sows during farrowing is the most important part of pig farming. It affects the survival rate of piglets at birth, their future disease resistance and growth rate, and directly influences the profitability of pig farming. During more than ten years of managing breeding pig farms, the author has always used manual attendance during farrowing and has summarized the following experience, which has achieved extremely high pig-farming returns in practical application. This experience is provided for everyone's reference: 1. Prepare all the medicines and instruments needed for sow farrowing: 75% disinfectant alcohol and 2% iodine tincture; large
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Detailed Explanation of the Comprehensive Ecological Fishery Technology Model in Northern China
Ecological fishery refers to a farming model based on the principle of symbiotic complementarity between fish and other organisms, utilizing the land-water material circulation system, and adopting corresponding technical and management measures to maintain ecological balance and improve farming efficiency. Developing ecological fishery can make full use of local resources, recycle waste, save energy, improve comprehensive ecological benefits, and achieve sustainable development of fisheries. 1. Fish-Grass Model The fish-grass combination type is a relatively common fish farming model, generally with 200-300
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What kind of fish is bigeye tuna? A comprehensive guide
Bigeye tuna (BigeyeTuna), also known as stout tuna and obscure tuna, has a body length of about 1.5-2.0 m, with large individuals weighing over 100 kg, and generally 16-35 kg. The back is blue-green, and the sides and belly are silvery white. The flesh is pink and slightly soft. The pectoral fins are long, with very prominent tips reaching below the second dorsal fin; the second dorsal fin is also relatively narrow, similar in height to the first dorsal fin. The body is gray, plump, with a short tail and a noticeably larger head and eyes. Habitat depth of bigeye tuna
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What are the comprehensive prevention and control measures for hemorrhagic disease of farmed fish?
I. Affected species: grass carp, crucian carp, mud carp, common carp, and even silver carp. II. Symptoms: punctate or patchy hemorrhages on the head, orbit, fin base, and abdomen of the fish body, gill filaments bleeding or pale, sometimes ascites, and rotting at the ends of fin rays. III. Causes: 1. Fish diseases caused by bacteria are mostly caused by conditional pathogenic bacteria, and will not occur before the water environment has deteriorated. Only when various factors in the substrate and water body become unsuitable for the survival of fish, reducing the fish body's resistance, and at the same time water
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Comprehensive Utilization Methods of Fish Fingerling Ponds During the Winter Fallow Period
Raising market-size fish: Using winter-fallow fingerling ponds to raise one season of market-size fish can both increase production and help ease the "summer shortage" in the aquatic product market. Because the rearing period is relatively short and temperatures are relatively low, the following techniques should be adopted: 1. Stock early, that is, stock immediately after the fingerlings are combined into ponds, so as to make full use of the growing period. Stocking rate is calculated at a maximum water depth of 2 m, generally 125-150 kg per mu. The stocking ratio is generally about 40% silver carp, about 10% bighead carp, about 30% grass carp and bream, and about 20% black carp and common carp.
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How to prevent and treat rabbit ear mange? A comprehensive introduction to practical methods
Symptoms: Sick rabbits have reduced appetite, gradually lose weight, constantly shake their heads, scratch their ears with their feet, and are restless and agitated. Inside the external ear canal there is dry yellow crust, which fills the entire ear. A few rabbits show head tilt, and finally develop convulsions and die. Diagnosis: Based on the symptoms, a diagnosis of rabbit ear mange can be confirmed. Prevention and treatment measures: 1. Treatment: ① Isolate and treat sick rabbits promptly when found, and strictly disinfect cages and equipment by spraying with 1-2% trichlorfon solution. ② Use Chongkexing liniment to apply inside the ear canal, every
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What are the pharmacological effects of lily? A comprehensive analysis of its medicinal value
[Source] The dried fleshy scales of Lilium lancifolium Thunb., Lilium brownii F.E.Brown ex Miellez, or Lilium brownii F.E.Brown ex Miellez var. viridulum Baker, plants of the genus Lilium in the family Liliaceae. The first is commonly called "Longya lily" and the latter two are commonly called "Su lily". [Original plant] 1. Lilium lancifolium is a perennial herb, with a bulb nearly broadly spherical, 4-8 cm in diameter; scales fleshy, broadly ovate, 2.5-5 cm long, 1.4-2.5 cm wide, white; stem 0.8-1.5 m tall, with purple stripes, covered with white cottony hairs. Leaves alternate, oblong-lanceolate or lanceolate, 5-20 cm long, 0.5-2 cm wide, gradually smaller upward and bract-like, often with bulbils in the leaf axils. Flowers in summer; usually 3-6 flowers arranged in a terminal raceme; pedicels 6.5-9 cm long, purple, with white cottony hairs; flowers nodding, trumpet-shaped, tepals 6, in 2 whorls, lanceolate, recurved, orange-red, with purple-black spots; outer tepals 6-10 cm long, 1-2 cm wide; inner tepals slightly wider, with papillose and fimbriate projections on both sides of the nectary; stamens 6, filaments 5-7 cm long, pale red, anthers oblong, purple, about 2 cm long; ovary cylindrical, 1.5-2 cm long, style slender, stigma 3-lobed. Capsule narrowly oblong-ovate, 3-4 cm long. Grows in moist environments. Distributed in our province and Hebei, Shaanxi, Gansu, Shandong, Zhejiang, Jiangxi, Henan, Hubei, Hunan, Sichuan, Guizhou, Yunnan, Xizang and other provinces and regions. Mostly cultivated. Also distributed in Japan and Korea. 2. Lilium brownii is a perennial herb, with a spherical bulb, 2-4.5 cm in diameter; scales lanceolate, 1.8-4 cm long, 0.8-1.4 cm wide, white; stem 0.7-2 m tall, with purple stripes or small papillose projections on the lower part. Leaves scattered, lanceolate to linear, 7-15 cm long, 1-2 cm wide, smaller upward and bract-like, with 5-7 veins, entire, glabrous. Flowers in May-June; flowers solitary or several arranged in a nearly umbellate inflorescence; pedicels 3-10 cm long, slightly curved; flowers trumpet-shaped, tepals 6, in 2 whorls, fragrant, milky white, slightly purple outside, spotless, spreading outward or with tips curved outward but not revolute, 13-18 cm long; outer tepals 2-4.3 cm wide, apex acute; inner tepals 3.4-5 cm wide, with small papillose projections on both sides of the nectary; stamens 6, filaments 10-13 cm long, curved upward; anthers oblong; ovary cylindrical, 3.2-3.6 cm long, stigma 3-lobed. Capsule oblong, 4.5-6 cm long, about 3.5 cm wide, ribbed, with many seeds. Grows on hillsides, under shrubs, roadsides or by streams. Distributed in our province and the southeastern, central, southwestern and southern regions of China. 3. Lilium brownii var. viridulum differs from Lilium brownii in its oblanceolate to obovate leaves. Grows on hillsides and in rock crevices. Distributed in our province and Gansu, Shaanxi, Henan, Hebei provinces and all provinces and regions from East China and South China to Southwest China. Wild or cultivated.
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What are the comprehensive pest control methods for licorice?
The leaf beetle (Apophylia flavovirens) is a leaf-eating pest of the subfamily Galerucinae in the family Chrysomelidae. It causes very serious damage to licorice and is one of the main obstacles to developing licorice production. This insect is distributed to varying degrees in **, the Hexi region of Gansu Province, and the licorice-producing areas of Liaoning Province. It mainly damages sweet licorice (Glycyrrhiza glabra) and does not harm other tree, shrub, or grass plants. Throughout the entire growing season, adult insects cause the primary damage and have a large feeding capacity; adults and larvae often overlap in causing damage. Control methods: Experiments have shown that dichlorvos emulsion
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Comprehensive Pest and Disease Control Methods and Technical Key Points for Goji Berry
Goji berry, as a traditional Chinese medicinal herb, not only has high medicinal value, but its fruit, leaves, stems, and roots can also be eaten or drunk. With the improvement of people's living standards, in recent years more and more varieties of goji berry wine, pastries, and other products have been developed, and the usage is also increasing. The commonly occurring pests and diseases of goji berry mainly include: aphids, goji berry leaf beetles, whiteflies, cotton bollworms, gall mites, and powdery mildew, anthracnose, leaf spot disease, viral disease, etc. The comprehensive control technical measures are introduced as follows. Control principles: prevention first, combining prevention and control. Strategically, focus on healthy cultivation and biological control,
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Detailed Explanation of Key Points of Comprehensive Garlic Management Technology
In garlic production management, early-stage management is relatively simple, as the plants rely on the nutrients stored in the seed garlic for growth. When they grow to 5-7 leaves before winter, they only need to survive the winter safely. After spring begins, as temperatures rise, garlic roots undergo their second major root flush. After the mother bulb recedes, the plants immediately enter vigorous growth, and it is during this period that garlic yield is formed; at the same time, this period is also a time of high incidence of pests and diseases. Therefore, spring management of garlic should be strengthened to lay a good foundation for a high garlic yield. 1. Management during the greening stage After "Jingzhe," as
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