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How to judge fish pollution poisoning
Fish death may be caused by disease, hypoxia, poisonous algae, mechanical injury, pollution poisoning and other causes, and pollution poisoning is the most common cause of death. The following introduces several naked eye judgment methods of common pollution poisoning for reference in production. Heavy metal pollution poisoning. Heavy metals refer to metals with relatively high density, such as lead, manganese, zinc and so on. The gills of poisoned fish are grayish white and secrete a large amount of mucus, forming flocculent deposits, which block fish gills and cause respiratory disorders. Poisoned fish often float on the surface of the water.
2019-01-16 -
Symptoms of fish poisoning
1. Symptoms of fish population poisoning increase on the water surface, ponds, reservoirs, ditches and other water surfaces in winter, fish pyrethroid pesticide poisoning is easy to occur. After fish poisoning, the population mainly floats on the water surface, drifts with the current, and the fish body is out of balance. At the beginning of poisoning, there is instantaneous excitement, then swimming slowly, slow response to surrounding stimuli, the fish lying still and lying on its side, the tail slowly swinging, the mouth slowly opening and closing, and finally sinking to the bottom of the water to die. It takes a short time from the beginning of poisoning to the appearance of death poison, fish
2019-01-15 -
Poisonous mushroom position
There are many kinds of poisonous mushrooms in China, which are widely distributed. More than 10 kinds of poisonous mushrooms can cause serious poisoning. Most of them have low toxicity and mild poisoning. Where is the location of poisonous mushrooms? Location of poisonous mushrooms poisonous mushrooms generally grow in woodland and have weeds and other rot
2020-11-08 Poison mushroom location China poison species analogy more -
Diagnosis and treatment of hemlock poisoning in livestock
Hemlock, commonly known as wild celery, is a perennial umbrella plant, like to grow in wet, low-lying areas, toxic mainly in the root and stem, the component is alkaloid apigenin. Because hemlock germinates earlier and grows faster than other plants in spring, when cattle and sheep graze in low-lying areas in early spring, cattle and sheep first see hemlock seedlings and immediately eat, and gnaw off the rhizome exposed to the ground, because its rhizome is less sweet, cattle and sheep like to eat, to a certain amount, causing poisoning. 1. Clinical symptoms occur suddenly during grazing, showing agitation, shortness of breath, rumen dyspnea and abdominal pain.
2019-01-15 -
Goose dysentery poisoning
Furazolidone is also called furazolidone. It is a common intestinal antimicrobial agent in veterinary clinic. The safety index of the drug is low, especially sensitive to poultry, and its therapeutic dose is closer to that of poisoning. Geese are often poisoned by overdose. Clinically, it is mainly seen in young geese and often causes death after poisoning. 1. Etiology (1) the prevention dose of dysentery commonly used in geese with excessive dosage or uneven mixing is 100m / kg 200 mg / kg feed, and the therapeutic dose is 300m / kg / kg feed.
2019-01-15 -
Causes and Preventive measures of Silkworm poisoning
In the process of sericulture, poisoning sometimes occurs, which affects the growth and development of silkworms and causes a large number of deaths. Therefore, silkworm farmers must pay attention to it and take measures to avoid loss. 1. Gas poisoning silkworm eggs green stage or young silkworm one or two instar stage, the temperature of silkworm room is low, need to be heated. If coal products are used for heating, and there are no exhaust facilities on the coal stove, the toxic gases such as carbon dioxide, hydrogen sulfide and carbon monoxide accumulate in the silkworm room, which can cause poisoning of silkworm eggs and silkworms. Bombyx mori eggs are poisoned during the green stage and are prone to dead eggs or uneven hatching.
2019-01-15 -
Causes and mitigation measures of vegetable hormone poisoning
Causes and mitigation measures of vegetable hormone poisoning
2019-11-29 -
Are longevity flowers poisonous? culture methods and matters needing attention of longevity flowers
Longevity flower, I think it is a good choice to give it a gift. Because a lot of people may like the name. Longevity flower (KalanchoeblossfeldianacvtomThumb) alias Shouxing flower, fake Sichuan lotus, Christmas cabbage, dwarf cabbage
2019-02-09 -
Unexpectedly, these three kinds of beautiful and fresh common potted flowers are poisonous plants.
The following three poisonous plants are dodder, oleander and Catharanthus roseus, they are ornamental flowers growing around us, flowers and leaves look very fresh and beautiful, but we must avoid children or.
2018-05-31 -
Is green plant green apple poisonous?
Is green plant green apple poisonous?
2019-03-06 -
The latest causes and mitigation measures of vegetable hormone poisoning
Looking for that in the process of vegetable cultivation, the use of plant growth regulators plays an excellent role in regulating the growth of vegetables, increasing yield and improving quality, but there are often many cases of hormone disinfection due to improper use of vegetables. So vegetable hormone poisoning
2020-11-10 The latest vegetables hormones poisoning causes and mitigation measures in -
Is the latest green apple poisonous?
It is true that green pineapple is poisonous. Green pineapple, like Dishui Guanyin, belongs to the Araceae family, and its toxic part is mainly in its juice. It is no problem to raise green pineapple at home, because as long as you do not eat the juice of green pineapple, it will not bring poisoning.
2020-11-10 Most the new green the lotus the poisonous the green radish this is -
Is green pineapple poisonous?
Is green pineapple poisonous?
2018-08-17 -
Is Phalaenopsis poisonous indoors?
Is Phalaenopsis poisonous indoors?
2020-09-02 -
Is Rehmannia officinalis poisonous? the efficacy and effect of Rhizoma mandshurica
Is Rehmannia officinalis poisonous? the efficacy and effect of Rhizoma mandshurica
2019-03-01 -
What about swine mold poisoning? Prevention and control of mycotoxin poisoning
What about swine mold poisoning? Prevention and control of mycotoxin poisoning
2020-05-29 -
Is the thorn of sea urchin poisonous?
Is the thorn of sea urchin poisonous?
2018-07-02 -
What about pig mold poisoning? Prevention and Control of Mycotoxin Poisoning (1)
What about pig mold poisoning? Prevention and Control of Mycotoxin Poisoning (1)
2020-06-01 -
Is the latest Phalaenopsis poisonous indoors?
Phalaenopsis is non-toxic when raised indoors. Phalaenopsis itself is non-toxic, is a relatively common family culture ornamental plant, belongs to the orchid family Phalaenopsis, there are more than 100 species, like the environment with sufficient scattered light, not resistant to waterlogging, the soil should be kept micro.
2020-11-10 The latest Phalaenopsis indoors raised poisonous -
Adult chicken with Dumycin poisoning
Madumycin is a new type of special anti-coccidiosis drug, which has the characteristics of high efficiency and low price, so it is very popular among chicken farmers. However, due to the small dosage of this drug, it is often used to increase the dose in some professional chicken households, and poisoning often occurs. This paper introduces a case of adult chicken Madumycin poisoning as follows: the incidence of 2600 laying hens raised by Wang in the seventh township of Weixian County, Hebei Province. the chickens were routinely raised and immunized according to the normal immune procedure and were raised to 103 days of age.
2019-01-16