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How to Identify Pigeon Diseases? Teach You to Tell Pigeon Illnesses with a Discerning Eye
Check the body posture. Sick pigeons are in poor spirits, inactive, isolated from the flock, eat less or not at all, are thin, have ruffled feathers, dull eyes, rapid breathing, wheeze when breathing or make abnormal sounds from the throat and trachea, drink excessively, or fail to feed their young. Check the eyes. Sick pigeons suffering from ornithosis, paratyphoid, ophthalmia, mycoplasmosis and vitamin A deficiency have red, swollen, inflamed eyes with increased secretions; those with conjunctivitis have reddened conjunctiva and dilated blood vessels; with erysipelas or pneumonia, the conjunctiva becomes cyanotic (purple-blue); with anemia or malnutrition, the conjunctiva is pale; with organophosphate
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How to Tell Male and Female Pigeons Apart? A Few Practical Identification Tips
Pigeon meat is nutritious, with tender flesh and an especially fine flavor. Its nutritional value is higher than that of other poultry, and it has always been regarded as a top-grade meat, with the saying "one pigeon beats nine chickens." It is both a precious delicacy and a premium tonic, with medicinal effects such as replenishing qi and enriching the blood. It also has a certain auxiliary therapeutic effect on hair loss, eczema, and premature aging, and is especially suitable for postpartum women, children, the elderly, surgical patients, and those weakened by long illness. The market potential for squab consumption is enormous. The appearance and form of male and female meat pigeons differ only very slightly. Identifying males from females is an important part of introducing and breeding meat pigeons and pairing them up.
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Differences Between London Plane, Chinese Parasol Tree and Paulownia - A Quick Guide to Telling Them Apart
In the vigorous development of urban greening and landscaping, identifying and selecting tree species is an important task. The London plane, paulownia and Chinese parasol tree may look like three sisters in urban landscaping, but in fact they belong to different families and genera, and differ greatly in morphology. The London plane is a large deciduous tree of the genus Platanus in the family Platanaceae. Its name comes from its leaves resembling those of the Chinese parasol tree; it was introduced from abroad in old China and was first planted in the French concession of Shanghai, hence the name "fa tong" (French plane). The London plane is actually a collective name for Platanus orientalis and Platanus acerifolia of the genus Platanus. Platanus orientalis reaches 30 m tall, with dark gray bark that peels off in thin flakes, revealing a greenish-white inner bark. Young branches are covered with yellow-brown stellate hairs. Leaves are 8 to 16 cm long and 9 to 18 cm wide, with 5 to 7 deep lobes reaching to or below the middle, the lobes narrow and long, covered with gray-yellow stellate hairs when young and later shedding. The common stalk bears spherical fruit heads 2 to 2.5 cm in diameter, with spiny styles 3 to 4 mm long; flowering in May, fruiting in September to October. Platanus acerifolia is a hybrid of Platanus orientalis and Platanus occidentalis, bred in London, England. It reaches 35 m tall, with bark peeling off in thin flakes and a pale greenish-white inner bark. Young branches and leaves are densely covered with pale brownish-yellow stellate hairs. Leaves are 10 to 24 cm long and 12 to 25 cm wide, with a flat or slightly heart-shaped base, 3 to 5 deep lobes, the middle lobe nearly equal in length and width, with entire or sparsely coarse-toothed margins. Fruit heads are about 2.5 cm in diameter, with spiny styles 2 to 3 mm long. Flowering in April to May, fruiting in September to October.
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Differences Between Herbicide Damage and Fertilizer Damage in Azaleas and How to Tell Them Apart
When azaleas suffer herbicide damage and fertilizer damage, they share some characteristics but also differ in their manifestations. What they have in common is that both are physiological injuries, causing leaves to wither and drop within a short time, but the patches do not slowly expand, nor do pathogens appear on them. The differences between herbicide damage and fertilizer damage are as follows: when azaleas suffer herbicide damage, they show sensitivity to a certain pesticide or a certain class of pesticides. For example, after a pesticide is sprayed on the leaves, within a few days the parts of the leaves touched by the spray solution turn yellow, wither and drop, seriously affecting the plant's growth, but it will not
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Scutellaria indica is also known as Erwa grass, Dali grass, blueflower teaspoon Huang, and Xiangtian zhan
Scientific name: Scutellaria indica Linn. Aliases: Erwa grass, Dali grass, blueflower teaspoon Huang. Family and genus: the dried whole plant of the genus Scutellaria in the family Lamiaceae. Morphological characteristics: Scutellaria indica is a perennial evergreen herb; stems solitary or several clustered, arising from a short rhizome, 12-28 cm tall, slender, square-columnar, covered with fine soft hairs. Leaves herbaceous to nearly papery, cordate-orbicular to ovate, sometimes elliptic, 1.5-2.6
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Introduction to the Ganoderma New Strain Satellite No. 2 Variety
"Satellite No. 2 Ganoderma" was sent into space aboard China's recoverable satellite launched as "961020" for a 15-day journey, where it was exposed to large doses of ultraviolet radiation and weightlessness in the cosmos, thereby producing genetic mutations; after screening and cultivation trials, a new high-quality, high-yield Ganoderma strain was selected. Compared with a Ganoderma strain that was not carried into space (the control strain), "Satellite No. 2" can increase fruiting body yield by 75.3%, its high-quality product rate reaches 88.9%, its average fermentation rate is 2.57%, and its cellulase activity
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How to tell yellow oleander (Allamanda) and yellow oleander (Thevetia) apart?
Allamanda neriifolia and Thevetia peruviana belong respectively to the genera Allamanda and Thevetia in the family Apocynaceae. The two are similar in form and are often confused. Here they are distinguished from three aspects: leaves, flowers and fruit. Leaves: Allamanda neriifolia has leaves in whorls of 3 to 5, elliptical or ovate-oblong, 6 to 12 cm long, with acuminate tips and cuneate bases; Thevetia peruviana has alternate leaves, linear-lanceolate, 10 to 15 cm long, long-tapered at both ends, flowering from
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How to tell a pigeon's age? A few practical methods for judging it
Pigeons generally live 10-15 years, and some as long as 20 years. But as breeding pigeons, their best breeding age is 2-4 years old, at most 5 years old. Knowing how to tell a pigeon's age is of great significance for timely pairing and breeding and for selecting and breeding good stock. A pigeon's age can be identified from the following aspects. 1. Beak: the older the bird, the blunter and smoother the tip of the beak. A squab's beak tip is rather pointed, soft and slender; a young pigeon's beak is thicker and hard; an adult pigeon's beak is rather short and thick, with a harder and smoother tip. Because adult pigeons feed squabs, the corners of the beak grow
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How to Tell Male and Female Zebrafish Apart? A Detailed Guide to Sex Identification and Breeding Methods
Telling male and female zebrafish apart is not difficult: male zebrafish have a slender body, large fins, a yellowish body color, a brownish-yellow anal fin, and prominent stripes; females have a more plump body, a paler, bluish body color, a pale yellow anal fin, and an obviously swollen belly during the egg-bearing period. Zebrafish are egg-laying fish and reach sexual maturity at 4 months of age; generally, 5-month-old fish are better for breeding. Zebrafish are relatively easy to breed. The breeding water requires a pH of 6.5-7.5, a hardness of 6-8, and a water temperature of 25-26°C. Zebrafish most prefer
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How Do You Pick Fresh Eggs? Five Tricks to Tell Them Apart Easily
First, look: fresh eggs have a rather rough shell with a frosty powder on it and a bright luster; older eggs have a smoother shell, and rotten eggs have a dull, dark shell with grease stains on it. Second, listen: shake the egg gently near your ear; a good egg sounds solid, while a bad egg sounds different. Third, hold it to the light: hold the egg with both hands as if forming a tube and look through it toward sunlight or a lamp; a good egg appears slightly red, semi-transparent, with a clear outline of the yolk. Fourth, spin: place the egg on a flat surface and give it a gentle spin with your hand. When a fresh egg spins, there is resistance inside the shell, and it stops after two or three turns; a bad egg spins for a long time and fast.
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