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A Complete Analysis of New Techniques for Clearing Ponds and Removing Wild Fish
Currently, the commonly used pond-clearing drugs in production include quicklime, tea seed cake, bleaching powder, bleaching essence, trichloroisocyanuric acid, etc. 1. Quicklime pond clearing. Quicklime (CaO) reacts with water to form strongly alkaline calcium hydroxide, causing the pond water pH (acidity and alkalinity) to rise sharply to 11-12, thereby killing wild miscellaneous fish, harmful organisms and various pathogens. 2. Tea seed cake pond clearing. Tea seed cake is a round cake pressed from the residue left after oil extraction from the seeds of the oil tea plant. Method of use: break the tea seed cake into small pieces, soak in
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Analysis of the Causes of Tail Biting in Pigs and Control Methods
In large-scale, intensive pig production, it is common to see nursery and finishing pig herds develop the bad habit of biting each other's tails. Tail biting in a herd not only increases feed consumption, affects growth and makes management more difficult, but in severe cases can also lead to injury and bacterial infection in the pigs. So what causes tail biting in pigs? Based on summaries, it is related to the following factors: (1) Management factors: (1) insufficient feeding, not enough feeding spaces, unreasonable trough design, etc., causing pigs to go hungry; (2) poor water quality, insufficient or
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Analysis of the Causes of Pig Biting and Fighting and Prevention and Control Measures
In recent years, with the continuous development of large-scale pig farming in various regions, under the environment of raising multiple pigs in one pen, the phenomenon of pigs biting and fighting each other is more commonly seen when pigs are first grouped, generally with a higher incidence rate among growing-finishing pigs of 20-40 kg. At first, only a few pigs in the same pen bite and fight each other, mainly biting the head and tail; after being bitten, blood flows out, and pigs develop pica for blood, gradually leading to more pigs biting and fighting each other and more severely. The bitten pigs huddle in corners, have poor appetite, and their weight gain is affected. If severe injuries are
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Can Eating Pig Trotters Really Make You Beautiful? An Analysis of the Beauty Benefits of Pig Trotters
Every time you eat out, someone will point at that plate of pig trotters and eagerly say to the ladies at the table: "Girls should eat more, it's good for beauty." Many people know that pig trotters contain a substance called collagen, but what exactly is collagen, and is it really true, as people say, that eating it can make your skin supple, smooth, firm and elastic? Recently, an article in Taiwan, China's "CommonHealth" magazine answered these questions. Collagen can hold up the skin. Young skin looks smooth and plump, soft and elastic. The rea
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A Complete Analysis of Scientific Management Methods for Snake Farms Throughout the Year
Snakes are ectothermic animals, and their body temperature changes as the ambient temperature rises and falls. Good management of a snake farm can ensure normal growth and reproduction of snakes and improve snake yield and quality. For spring management, spring is generally the most suitable time to introduce snakes for breeding, as there is no need to worry about the weather being too cold or too hot during transport, and the egg-laying period also occurs at this time. Before introducing snakes into the snake farm, the area should be cleaned in advance, and cleaning and disinfection work should be done well. Newly emerged from hibernation, snakes basically do not eat for the first 2 to 3 weeks, begin to eat a small amount of food in April, and in May their food intake
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Introduction to the Hua'er Wheat Variety and Analysis of Its Characteristics
Hua'er wheat is an achievement of the "Ninth Five-Year Plan" National Key Science and Technology Research Program. It was developed through cell engineering technology by the Biotechnology Research Institute of the Henan Academy of Agricultural Sciences in cooperation with the High Resistance Breeding Laboratory of the Wheat Center. It has passed approval in Henan Province and is currently promoted and operated exclusively by Henan Yalong Qiuke Seed Industry Co., Ltd. Characteristics: a mid-early maturing variety with semi-upright seedlings, strong tillering ability, a high spike-forming rate, and vigorous growth. Plant height is about 75 cm, leaves are slender and slightly drooping, spikes are large and uniform, with many florets and many grains, and good seed set. Grain
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What causes gout in chickens? A comprehensive analysis of the causes
Gout is a metabolic disease caused by a disturbance in uric acid metabolism in the chicken's body, in which the uric acid concentration in the blood rises, large amounts of uric acid are excreted through the kidneys; kidney damage and reduced kidney function caused by various factors further obstruct uric acid excretion, resulting in uric acid poisoning. It occurs mostly in broiler chickens and caged chickens. The main causes of gout in chickens are as follows: 1. VA deficiency. VA has the function of protecting mucous membranes; when deficient, it can cause keratinization and squamous epithelial metaplasia of the renal tubules, collecting ducts and ureters. Due to the epithelium
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How to Supplement Nutrition for Edible Fungi? A Full Analysis of Practical Tips
In the process of cultivating edible fungi, reasonably supplementing various nutrients is an effective measure to increase the yield of edible fungi, but improper supplementation can also backfire. Therefore, the following tips should be noted when supplementing nutrition for edible fungi. Pay attention to the supplementation method. The methods for supplementing nutrition for edible fungi include spraying, pouring, and soaking. The most commonly used method is to prepare a nutrient solution of a certain concentration and spray it on the mushroom bed and mushroom blocks while supplementing water. When spraying during the young bud stage, care should be taken to spray the nutrient solution on areas without mushrooms or near small young buds, and after spraying
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What are the main pests and diseases of dawn redwood (Metasequoia glyptostroboides)? A full analysis of control methods
Damping-off (seedling blight): after leaf fall in autumn, promptly clear away and dispose of fallen leaves, then spray the ground with 3-5Be lime-sulfur mixture. Dawn redwood red blight: immediately after the plum rain season ends, spray the canopy with 1% Bordeaux mixture 4-5 times, once every 10-15 days, to control the occurrence of the disease. Tortricid moths: the best control period is the early stage of damage when the larvae emerge from overwintering (early to mid-April); 50% fenitrothion, 40% dimethoate, 80% dichlorvos and pyrethroid insecticides can be used; in dry seasons (July and August) when outbreaks occur
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Preliminary Research Report and Analysis of the Larch Sawfly
1 Distribution and Damage The larch Itempast sawfly is mainly distributed in Heilongjiang and Jilin provinces. It is a dangerous pest of larch foliage, with a damage period from June to September, mainly attacking 10-30 year old larch. This insect spreads relatively quickly and causes severe damage. In 1985, the affected area in Hailin Forestry Bureau was 300 mu, and by 1986 the third-generation larvae affected an area of 150,000 mu, of which 67,000 mu were severely damaged, with the highest population density reaching 21,000 larvae per tree; the average population density
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