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Effect of nodule number of seed stem on the yield, growth and development of Polygonatum polygonatum
Effect of Node number of seed Stem on the yield, growth and Development of Polygonatum polygonatum in production, Polygonatum polygonatum is often propagated by rhizome, which is often called "seed stem" because its rhizome is beaded or nodular. The quality of seed stem directly affects seedling emergence and growth.
2018-06-04 -
Research Progress on Detection Technology of Porcine circovirus
Porcine circovirus disease is a kind of viral infectious disease caused by porcine circovirus (PCV) infection and characterized by immunosuppression. the clinical manifestation is mainly caused by postweaning multisystemic wasting syndrome of piglets caused by PCV-2. In this paper, the detection techniques of the virus at home and abroad in recent years, including virus isolation, electron microscopic observation, polymerase chain reaction, indirect immunofluorescence test, immunohistochemical technique, enzyme-linked immunosorbent assay, in situ nucleic acid hybridization test and so on. Porcine circovirus disease
2019-01-16 -
Feed Additives for controlling Dairy Cow mastitis
Feed Additives for controlling Dairy Cow mastitis
2018-07-25 -
The relationship between betaine, choline and methionine (repost)
The relationship between betaine, choline and methionine (repost)
2018-07-10 -
Research Progress on Introduction and Cultivation Techniques of Philippine Oil Fruit
Philippine oil fruit introduction and cultivation technology research progress fund project Zhejiang Province Huzhou City public welfare technology research key project (2015C112027). Philippine oil fruit is a perennial woody plant belonging to Myrtle Coffey oil fruit. It has Feiyue fruit, Feiji fruit, Bo...
2018-06-15 -
Pig semen-the Vector of virus Transmission (2)
Pig semen-the Vector of virus Transmission (2)
2020-10-12 -
Introduction of compound Feed for breeding Freshwater White Pomfret
Freshwater Pomfret is a kind of feeding fish. it is fed with compound feed in ponds, cages and running water. This is also an important measure to increase yield, promote growth and shorten the culture cycle. It has been proved by practice that using combined feeding
2020-11-08 Aquaculture Freshwater White Pomfret compound Feed introduction -
Prevention and control of blood cluster disease of freshwater soft-shelled turtle and turtle
Blood cluster disease is a disease caused by the parasitism of blood cluster worms. Blood cluster worm is a kind of sporozoa, which belongs to true coccidia and kindred worms. The blood cluster worm parasites and propagates in the blood cells, hepatocytes and Kupffer cells of soft-shelled turtles and turtles. (1) pathogenic blood cluster worm. According to Chai Jianyuan et al. (1990), six species of blood cluster insects have been found in soft-shelled turtles and turtles in China. In the soft-shelled turtle (Trionyx sinensis), there are three stages: the merozoite of ① in the mature tissue of liver Kupffer's cells is oval.
2019-01-16 -
Effects of five trace elements on the quality of eggs
Egg quality includes external quality and internal quality such as egg weight, eggshell quality, eggshell color, egg shape index, egg protein height, yolk color, yolk membrane strength, chemical composition, functional properties, blood spot and meat spot, flavor and so on. The egg quality that producers and consumers pay most attention to is egg weight, eggshell quality, yolk color and functional properties. 1. Effects of zinc and manganese on egg quality there are few reports on the use of zinc alone in laying hens. Wedekind (1990, 1992) showed that amino acids
2019-01-16 -
Silver liquid can prolong flower life.
Silver liquid can prolong flower life.
2018-05-01 -
There is not much clear flow in the citrus family. Lemon is a
The author complains that I drank at least five cups of frozen lime tea to finish this article. Well, everyone must have heard of the chaotic family history of citrus fruits (Citrusspp.): people are constantly worried about these gossips, even.
2018-10-04 -
The effect and function of flat car front
The effect and function of flat car front
2018-07-03 -
The function of Bordeaux liquid and matters needing attention in use
The function of Bordeaux liquid and matters needing attention in use
2018-08-09 -
Breeding technique of stone frog what kind of feed does stone frog eat
According to scientific research, there are more than 20 kinds of mineral elements in the muscle of stone frog, among which there are 8 kinds of elements, which are potassium (K), phosphorus (P), sodium (Na), magnesium (Mg), calcium (Ca), aluminum (Al), silicon (Si) and iron (Fe). So the stone frog has high protection.
2020-11-08 Stone frog breeding technology stone frog to eat what feed according to -
Research Progress on immunosuppressive principle of Porcine circovirus ⅱ infection
Circovirus infection is a newly discovered infectious disease. The infection rate of the disease to pigs is high, and it occurs widely all over the world, and it has become one of the infectious diseases seriously affecting the development of pig industry. Circovirus mainly attacks the immune system of pigs, interferes with and destroys the production and maintenance of immune antibodies to diseases, resulting in a decline in resistance, which is easy to be secondary or complicated with other diseases. In recent years, scholars at home and abroad have done a lot of research on the mechanism of porcine circovirus invading the immune system, in the mechanism of virus replication, cytokines and lymph nodes.
2019-01-15 -
Incidence regularity and control techniques of iron skin disease of jujube
Jujube iron skin disease, also known as fruit shrinkage disease, black rot, commonly known as fog scald, fog Liaotou, dry waist, black waist, iron coke, fire and so on, is a serious fruit disease of jujube. Since the early 1980s, the disease has become more and more serious. It begins before and after coloring, the disease is fast and concentrated, and it often breaks out. Many jujube producing areas, such as Hebei, Henan, Shandong, Shanxi, Inner Mongolia, Guangxi, Sichuan and so on, have occurred. In general years, the yield loss caused by the disease is 20%, 50%, and in serious years, the loss is up to 70%, 80%, and even appears.
2019-01-15 -
The sow's leg is soft and its feet are cracked. Have you found the reason?
The sow's leg is soft and its feet are cracked. Have you found the reason?
2020-09-29 -
Anti-epidemic hot》Health care holy product turmeric anti-inflammatory burst red, spring purple yellow effect is different, curcumin is not the only key
Anti-epidemic hot》Health care holy product turmeric anti-inflammatory burst red, spring purple yellow effect is different, curcumin is not the only key
2020-04-10 -
Species and occurrence regularity of Waxberry Diseases and insect pests and their Green Prevention and Control techniques in Zhejiang Province
The species and occurrence regularity of bayberry diseases and insect pests in Zhejiang Province and their green prevention and control techniques 0 introduction [research significance] Waxberry [Myrica rubra (Lour.) Sieb.et Zucc.] is a characteristic fruit in southern China with sweet and sour fruit and unique flavor.
2018-06-01 -
The difference between tourmaline and crystal
The difference between tourmaline and crystal
2018-07-03