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What to Do About Low Hatch Rates in Female Turtles? Cause Analysis and Solutions
Artificial turtle farming has sprung up in many places in recent years, especially as the soft-shelled turtle market has flattened while the turtle market has held firm, prompting many soft-shelled turtle farmers to switch to turtles. But farmers have found that although some female turtles lay a good number of eggs, the fertilization rate is not high and the hatch rate is low, especially with eggs from turtles at their first laying age, where the fertilization rate is even lower. Many people assume the female turtle is the problem, little realizing that the cause does not lie with the female turtle at all, but is mainly related to factors in the male turtle itself. Through practice, people have found that in nature many animals show differences in the timing of sexual development
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What to Do When Chicken Immunization Is Ineffective? Cause Analysis and Countermeasures
Now many chicken farmers generally report the following problems: (1) The flock is fine when not vaccinated, but as soon as they are vaccinated, the flock breaks out with disease. (2) Sometimes the flock breaks out with disease before they have even been vaccinated. (3) No matter what measures are taken, the immune effect of the vaccine is always poor. Why do these problems occur? The reason is that the chickens' immune organs have been damaged. After the immune organs of chickens are damaged, the body's resistance to bacterial and viral infections declines, and the flock is very prone to large outbreaks of various epidemic diseases, bringing huge economic losses to the poultry industry. So
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Cause analysis and preventive measures for deformed mushrooms
In mushroom cultivation, the following deformed mushrooms occur at a relatively high rate. The causes and preventive measures are as follows: The "landmine mushroom" is caused by excessive ventilation of the mushroom house after the coarse soil particles are sprayed wet, low temperature, too late covering with fine soil, and overly wet fine soil particles, which make the primordia of the fruiting bodies attach too low; during the growth of the primordia, they are squeezed by the surrounding soil particles, so the mushroom shape is not round and the surface carries soil, resembling a "landmine." The preventive method is to strengthen water management; coarse and fine soil should be sprayed wet at the right time and slowly; after the coarse soil particles are sprayed wet, reduce ventilation and maintain the relative air humidity in the house at about 80%
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Why do continuous and alternating soybean cropping reduce yields? Cause analysis and countermeasures
With China's accession to the WTO and the opening-up policies of the grain market, the problem of continuous and alternating soybean cropping has become increasingly serious, and the yield reduction increases as the number of consecutive cropping years rises. According to surveys and research, alternating cropping reduces yield by 6.1%, one year of continuous cropping by 9.9%, two years of continuous cropping by 13.8%, and three years of continuous cropping by 19.0%. Moreover, in continuous and alternating cropping soybeans, the 100-seed weight decreases, the rate of diseased seeds and insect-damaged seeds increases, and commercial quality drops significantly. With long-term continuous cropping of more than 3 years, the protein content of soybeans increases markedly while the fat content decreases markedly. According to research by scientific research departments
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Abnormal Behavior and Cause Analysis of Sick Discus Fish
For a generally sick discus fish, we can roughly understand its possible causes from abnormal behavior, appearance, and so on. Abnormal behaviors of sick fish and their causes: 1. The fish floats to the water surface, moves sluggishly, and looks listless -- oxygen deficiency, gill parasites, and bacterial infection. 2. Feeding rate decreases -- water quality may have deteriorated. 3. Gathers in one corner at the bottom of the tank, clamps its fins, etc. -- may have internal or external parasites, bacterial infection, etc. 4. Rubs against the tank wall or heater tube -- external parasite infection. 5
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What to Do When Oyster Mushroom Pinheads Die? Cause Analysis and Control Methods
In oyster mushroom production, due to unsuitable mushroom house environmental conditions and compost, as well as improper management or severe weather and other reasons, pinheads on the mushroom bed often shrink, turn yellow, and eventually die; sometimes pinheads on the bed surface die in batches, seriously affecting yield and economic benefits. For this, the author conducted extensive observational research and summarized the causes of mushroom death and control methods, presented as follows: 1 Continuous high temperatures In autumn mushroom production in northern regions, temperatures go from high to low, which is suitable for the growth and development of oyster mushroom fruiting bodies
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Cause Analysis and Diagnosis and Treatment Methods for Mycelial Regression in Oyster Mushrooms
In the autumn and winter seasons of last year, mycelial regression occurred frequently in oyster mushroom production, and there were also sporadic cases this spring and summer. The symptoms of mycelial regression are as follows: the spawn blocks germinate normally, the colonization of the substrate is slower than normal, and growth from the spawn blocks is radial. When the mycelium length reaches 4-5 cm, the mycelium gradually becomes sparser starting from the spawn block, while the mycelium at the growing tips is denser and denser white and continues to develop, with the mycelium behind it fading and thinning accordingly, until finally the surface of the entire mushroom bag appears slightly grayish-white or even devoid of mycelium. At 40 days after inoculation, the mushroom bags appear grayish-white rather than the normal pure white, and no
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What to Do When the Surface of Oyster Mushroom Substrate Turns Black? Cause Analysis and Control Methods
The main causes of blackening on the substrate surface and the control methods are: (1) Oyster mushroom mycelium soaked in water for a long time causes rot and blackening. In this case, the condensation water on the substrate surface should be absorbed and dried promptly. If it is grown on beds, excess water at the bottom should also be absorbed and dried promptly. (2) Contamination by foreign microorganisms and breeding of insect pests cause blackening. When blackening occurs, pests must be controlled or the affected part dug out promptly to prevent it from spreading.
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What to Do When Oyster Mushrooms Do Not Fruit? Cause Analysis and Control Measures
In oyster mushroom cultivation, it is common to see no fruiting or abnormal fruiting after spawning, which leads to production failure and reduced production efficiency. For this reason, after many years of production and research, we have summarized the causes of no fruiting or abnormal fruiting and the solutions. 1. Sterile spawn The fruiting bodies of oyster mushrooms are formed by dikaryotic mycelium. If the spawn used in production is unpaired monokaryotic spores or the mycelium grown from them, it will result in no fruiting or low yield. Therefore, before production, a fruiting test of the spawn should be carried out to avoid abnormal fruiting and cause
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What to Do When an Azalea Withers and Dies? Cause Analysis and Solutions
Potted azaleas often wilt and die, which flower growers deeply regret. The causes and countermeasures are briefly analyzed below for reference: 1. Insufficient light time. Azaleas have large, beautiful flowers and a long blooming period, and they require ample sunlight. If placed indoors for viewing, photosynthesis is restricted, and the organic nutrients in the plant are quickly consumed, leading to death. Therefore, indoor placement should not be long, and the plant should often be placed in a sunny outdoor location. 2. Poor ventilation. Azaleas prefer a ventilated, cool growing environment. Ordinary home flower growing is mostly on balconies, where due to poor ventilation,
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