-
Methods and Precautions for Collecting Goose Down and Feathers
I. Plucking Feathers from the Carcass: This means collecting all the goose down and feathers at once after slaughter, and it is further divided into three collection methods: hot-water scalding, steam plucking, and dry plucking. The hot-water scalding method is also called the immersion scalding method or the scalding-and-de-feathering method. After the goose is slaughtered, collect the blood and drain it as thoroughly as possible to ensure the quality of the goose carcass and internal organs, leaving no residual blood in the carcass, keeping the body surface clean and attractive, and ensuring good meat quality. It is best to pluck the large quills from both wings (tip quills, knife quills, and fluff quills) before scalding and store and sell them separately. Otherwise, if mixed into the feathers, they will not only affect down quality but will also be treated as waste and wasted.
-
What are the control methods for soybean downy mildew?
Soybean downy mildew damages seedlings, leaves and seeds. After the first true leaf unfolds, chlorotic patches appear along both sides of the veins. On the leaves of mature plants, round or irregular yellow-green specks with indistinct edges appear on the surface, later turning brown, and a grayish-white mold layer forms on the underside of the leaves. The surface of diseased seeds is covered with a grayish-white layer of mycelium containing large numbers of the pathogen's oospores. The pathogen overwinters as oospores on seeds and in diseased leaves, becoming the primary infection source for the following year. The disease begins to appear in mid-to-late June each year, with the peak period from July to August, and in rainy years it often becomes severe. Control
-
How to Identify Soybean Downy Mildew? A Complete Guide to Prevention and Control Techniques
Downy mildew is found in all major soybean-producing regions of China, occurring more frequently in the cold-climate areas of the Northeast and North China during the soybean growing season, with the disease worsening in rainy years, severely causing premature leaf drop or wilting, seed rot, and yield losses of 30%-50%. It mainly damages the leaves, pods, and seeds of seedlings or mature plants. Symptoms: The pathogen on infected seeds causes systemic infection leading to seedling disease, but the cotyledons show no symptoms. After the first pair of true leaves unfolds, chlorotic patches appear along both sides of the leaf veins, spreading along the main vein and lateral veins, causing the entire leaf to lose chlorophyll, with
-
How should soybeans be harvested properly? A full breakdown of the key methods
Soybeans should be harvested promptly once mature. If harvesting is too late, the pods lose too much moisture and are prone to shattering and dropping seeds, causing losses. The suitable harvest period should be determined according to different harvest methods. When harvesting with a sickle, begin harvesting after all soybean leaves have fallen, as nutrient transport to the seeds has essentially stopped by then. Mechanical harvesting must be done after the whole plant is fully mature and dry. Manual harvesting is best done in the morning, when the soybean plants have a higher moisture content, so they do not prick the hands and are less prone to pod shattering. A low stubble height is required, with no "horse ears" left exposed and no missed cutting.
-
How to plant goji berry upside down? Methods and key techniques
Select a goji berry (Lycium barbarum) that is more than two years old, and air-layer three or four of the top branches at suitable points to induce rooting. Once roots have formed, cut off the upper section of those branches, cut away all branches that were not air-layered, then dig out the plant and wash off the soil, and immediately plant it upside down. Trim the fine hair roots, bind and shape the large roots appropriately, cover the roots with a plastic film bag to preserve root moisture, and remove the bag once buds sprout. In late autumn, remove the palm fiber bindings, and a beautiful goji berry bonsai is complete. In the following years, gradually raise the roots year by year, forming chicken claws below and dragon claws above, with green leaves and red fruit, simple and elegant
-
What Dental Diseases Do Dogs Get? A Full Breakdown of Common Types
The most common dental diseases in dogs are gum disease and broken teeth. Periodontal disease is not only harmful to the teeth, but also affects the bone and soft tissue around them, ultimately causing tooth loss. When a dog first develops dental disease, plaque usually appears, and plaque is a breeding ground for bacteria. If plaque is not dealt with promptly, it turns into tartar, and bacteria spread through the bloodstream and can affect the health of the dog's heart, lungs, kidneys, liver and other internal organs, causing disease. There is an old Chinese saying: prevent trouble before it happens. What good ways are there to prevent dental disease in dogs? Correct
-
How to Store and Keep Lilies Fresh? A Full Breakdown of the Key Techniques
Lilies prefer warmth and are sensitive to cold; after being exposed to wind, the scales turn red and shrivel. There are many storage methods, but the yellow sand burial method works especially well. The specific method is: build a burial pit indoors with bricks or cement, or use a wooden box, bamboo basket, or similar container; first spread a layer of yellow sand about 20 mm thick on the bottom of the container, then alternate one layer of lilies and one layer of yellow sand, piling up to about 50 mm below the container rim. Then cover with more yellow sand so the lilies are not exposed to the air. With this method, note that: the storage container should first be disinfected with a 0.
-
How to prevent and treat indigestion in pigs? A full breakdown of practical methods
Do not feed pigs too much; if they get indigestion, they will become listless. You can break up steamed bun starter (fermentation starter) into pieces, add an appropriate amount of water, mix it into a thin slop, and feed it to the pigs. If it is a large pig with a big appetite, also mix in cornmeal or fine bran, knead it evenly, ferment it, and likewise feed it as a thin slop. One dose is enough to cure the illness.
-
Symptoms and Control Methods of Downy Mildew on Impatiens
The scientific name of downy mildew on Impatiens is Plasmopara obducens (Schrtiter) Schroter, and it causes damage worldwide. It mainly affects the leaves and reduces their ornamental value. Symptoms: On affected leaves, chlorotic patches initially appear, irregular in shape, later turning into yellow-brown or brown necrotic spots; on the underside of the leaves there is a white mold-like growth, relatively thick and dense, and in severe cases it can cover the entire leaf, causing the leaves to scorch and affecting their ornamental value. The pathogen is called Impatiens axis downy mildew, belonging to the oomycetes. 2-5 sporangiophores emerge from the stomata,
-
Symptom Identification and Control Methods for Impatiens Downy Mildew
[Symptoms] Mainly affects the stem. At first, oily dark green streaky patches appear at the root-stem junction, rapidly expanding into irregular dark brown areas; in severe cases, the entire stem and leaves turn black, the plant quickly collapses, and the root crown becomes sunken, causing the plant to lodge and die. Under saturated humidity persisting for a long time, sparse white mold grows on the diseased areas, which are the pathogen's sporangiophores and sporangia. [Morphological characteristics of the pathogen] It grows rapidly and produces abundant spores on CMA, OMA, and V4A media, while on PDA medium it grows
条件筛选