There are five main physiological diseases of mushrooms: hard open umbrellas, malformed mushrooms, thin skin mushrooms, land mushroom and red root rust spots. The prevention and control methods are as follows: 1. Hard open umbrella: the mushroom encounters abnormal climate, young fruiting body.......

To increase the reproductive rate of dairy cows, careful selection of the seeds should be carefully selected to prevent recessive abortion and ordinary abortion, timely treatment of infertility, and appropriate technical measures should be taken. In order to further promote the development of .......

The wheat combine harvester is a complex agricultural machine. The driver must understand the complete vehicle performance before starting the engine, and then check whether the clutch lever, shift lever, and grain release clutch lever are in neutral or disengaged position. After start-up, bef.......

The sea is a method of raising fish by diluting the seawater shrimp into fresh water for cultivation. Due to the widespread epidemics of diseases in recent years, seawater shrimp farming has been severely affected. Due to the widespread prevalence of shrimp diseases in recent years, the marine.......

First, before the restrictions on feeding should be too light or weaker chickens singled out or eliminated. Second, in order to avoid the occurrence of delirium during the restriction of feeding, the deceased should be performed when the chicken is 7-10 days old or 6 weeks old. Third, meat bre.......

For broiler chickens to maintain a fast growth rate and a high feed conversion rate, scientific feeding and management measures are required, including artificial lighting technology. The purpose of artificial lighting for broilers is not to control sexual maturity, but to extend the intake ti.......

(a) black pot black pig. It is an earlier lean-type pig in China that was developed in Jiaozhou City, Shandong Province. Black-black pigs are black, long and have long heads and one more rib than the local pig. The sow litter has more than 10 litters, and the finishing pigs can reach about 90k.......

First, seize the opportunity to reproduce brilliant. Sericulture and silk industry is one of the important pillars of local economic development, and it is also the main way for silkworm farmers' friends to become rich and affluent. With China's accession to the WTO, the silk industry .......

The management of goats after the winter is particularly important. Carelessness may cause death. During this period, the protection of livestock, animal husbandry, and miscarriage are the top priorities. Reasonable grazing rearing winter grazing should generally choose to shelter from the sun.......

Pear trees have no or less flower buds and cannot result in the following main reasons: 1 When pear trees enter the ageing period, with the increase in the degree of aging, the stem branches begin to die, the crowns are incomplete, and the short fruit branches are chicken-like. Although they c.......

The disease is a disease caused by Influenza A virus of the orthomyxovirus group, which causes mild respiratory symptoms. Secondary bacterial infection is an important factor for death. Diseased ducks and poisoned ducks are the main sources of infection. They excrete high amounts of toxic wast.......

In the course of technical services, the author found that many egg-laying farmers are blind to the exact material used for laying hens, and most of them rely on estimates. It should be noted that excessive use of materials can cause layer fat, premature birth (especially during the chicken ph.......