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Big differences between poultry farming in northern and southern China: 18 points worth saving
To better understand the differences between poultry farming in northern and southern China, avoid disorderly and blind market competition, and find the value of service personnel, the following is a comparison of northern and southern...
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How to Tell the Difference Between True Colds and False Colds in Dogs
True colds in dogs are systemic symptoms characterised mainly by inflammation of the mucous membrane of the upper respiratory tract. Colds generally occur most often in early spring, late autumn and when the climate changes abruptly. The cause is mostly sudden exposure to cold stimulation, such as being hit by a draught in winter, sleeping outdoors in the cold season, getting caught in the rain, or not drying a dog's coat promptly after bathing. The main symptoms of a dog with a cold are: the sick dog is depressed, has reduced or no appetite, the conjunctiva is congested and red, and the eyes are photophobic and run with tears. There is coughing, the nasal discharge is purulent, breathing speeds up, body
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Differences Between Fowl Plague and Fowl Cholera and How to Tell Them Apart
When fowl cholera is epidemic, chickens, ducks and geese often become ill and die at the same time, whereas Newcastle disease affects only chickens. Symptoms: In acute cases of fowl cholera the crop is full of food, whereas in Newcastle disease it is full of gas and fluid; chronic cases show nervous symptoms such as a twisted head and neck, while fowl cholera has no nervous symptoms and a short course. Necropsy: In fowl cholera a large amount of pale yellow fluid accumulates in the pericardial sac, with hemorrhage on the epicardium and grayish-white necrotic spots on the surface of the liver, and yellow caseous exudate is often found on the surface of the air sacs and intestines; whereas in Newcastle disease the liver has no necrotic spots,
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Differences Between Three Soft-Shelled Turtle Diseases and Their Prevention and Treatment Methods
In the process of soft-shelled turtle farming, some farmers cannot clearly distinguish white spot disease, white spot fungus disease and saprolegniasis, and blindly and indiscriminately use drugs when treating turtle diseases, thus affecting the effectiveness of disease prevention and treatment. Therefore, based on recent years of practice at soft-shelled turtle farms, the author summarizes the differences between the above diseases and comprehensive prevention and treatment methods as follows. I. Differences between white spot disease, white spot fungus disease and saprolegniasis in soft-shelled turtles 1. Different pathogens: the pathogen of white spot disease is Aeromonas hydrophila, Aeromonas sobria, etc.; the pathogen of white spot fungus disease is Mucor, which belongs to
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What is the difference between Cibotium barometz and Cibotium barometz rhizome?
Scientific name: Cibotium barometz Aliases: Cibotium barometz rhizome, yellow dog head, monkey hair head Family and genus: Belongs to the family Dicksoniaceae, genus Cibotium Plant type: Large perennial herbaceous terrestrial fern Morphological characteristics: The plant can reach up to 3 m in height. The rhizome is thick and fleshy, growing upright or lying horizontally on the soil surface, and it and the base of the leaf stalks are densely covered with long golden-yellow hairs, shaped like a dog's head, hence the name. At the top, leaves grow in clusters; the leaf stalks are thick and long; the leaf blade is broadly ovate-triangular, with length and width almost equal, tripinnatifid, and the ultimate segments are falcate-lanceolate,
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How large are the DNA differences between different breeds of dogs?
In an issue of the journal Science, researchers wrote that the genetic differences between different breeds of dogs are unusually pronounced, so much so that they can determine a dog's breed based solely on its DNA. This phenomenon is related to humans controlling inbreeding in dogs over the past 300 years to obtain different dog characteristics. This shows that humans can indeed play an important role in the field of species evolution. When researchers analyzed the DNA genetic code of dogs in an attempt to further understand the genetic factors of human diseases, they were surprised to find that, in just the past few hundred years, not
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What is the difference between wild crucian carp and farmed crucian carp?
The difference between wild crucian carp and farmed crucian carp
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What are the differences between black carp and grass carp? A quick guide to telling the two fish apart
What are the differences between black carp and grass carp?
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What are the differences in habits between Rex rabbits and domestic rabbits?
Differences in habits between Rex rabbits and domestic rabbits
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What is the difference between purebred and crossbred Boer goats?
The difference between purebred Boer goats and crossbred goats
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