The optimal ambient temperature in the pig house is 15°C to 25°C. Below 5°C or above 30°C, pig growth will be affected. Therefore, the winter response pigs adopt special feeding and management methods.
To improve the environment before the cold arrives, a comprehensive inspection of the pig house and the surrounding environment should be conducted to repair the bad, dangerous and leaking pig houses in a timely manner. The piggery can be placed in a spacious and ventilated place with a sack sheet or straw curtain. The height of the sack curtains is a pig bite. It is not appropriate; inside the circle, such as rat holes, cracks, gaps, broken tops and other tuyere should be plugged tightly to prevent "dragon style" and "thief wind" from invading the pig body; put the hay on the pig's sleeping bed, give the pig's cool ring Covered with plastic film, this is one of the most important measures to prevent cold and keep warm.
Moisture-proof and moisture-proof pigs prefer to dry and fear moisture. Air is a kind of heat-conducting material, and the more humid it is, the stronger its thermal conductivity is, and the faster the heat inside the hog body is distributed. When the pigs are chilled, they will squeeze each other, causing crushing or crushing, and even biting. The manure in the pigsty must be cleaned, and attention should be paid to training pigs to defecate urine and have a dry place. Always change the bedding to keep the grass clean.
To adjust feed formula for winter pigs, it is necessary to increase corn and other energy feeds by about 10% under the premise of stable protein content. If necessary, animal and vegetable oils can be added. Experiments have confirmed that adding 2% to 3% of animal and vegetable fats and oils in the diet can increase the weight of pigs by 12% to 15%, and save 8% to 10% of feed per kg of weight gain.
Increased density When the rearing density is high, each pig's floor space is reduced. When lying down, they can be warmly attached to one another. At the same time, when the breeding density is high, their body heat dissipation is also increased, which is conducive to raising the temperature inside the house. In winter, pigs generally increase by 1/3 compared to other seasons, so that each pig occupies an area of ​​about 0.6 square meters.
Supply of hot water for winter raw food and feed for pigs, available dry powder, hot water can also be used to mix, humidity in hand into a group, landing that is appropriate to scattered, and to be immediately mixed feed. To ensure the supply of clean hot water, if there is no water in the circle, the pig will eat snow, eat ice, and drink urine, which will inevitably cause digestive diseases or other diseases.
The purpose of increasing feeding times is to increase feed intake relatively. Where conditions permit, it is best to take free food. If you adopt a regular feeding method, you can add 1 feeding at night.
Sodium Methoxide CAS No.124-41-4
Sodium Methoxide Physicochemical Properties
Density 0.97 g/mL at 20 °C
Boiling point 65 °C
Melting point -98 °C
Molecular formula CH3NaO
Molecular weight 54.024
Flash point 11 °C
Exact quality 54.008160
PSA 23.06000
LogP 0.04670
Appearance traits transparent liquid
Vapor density 1.1 (vs air)
Steam pressure 50 mm Hg ( 20 °C)
Refractive index 1.3700
Storage Conditions
1. Storage: sealed and stored in a cool, dry and dark place
2. Sealed in iron drums, 200kg per barrel, stored in
Cool, ventilated, dry place, fireproof, heatproof, prevent
show. Store and transport according to flammable chemicals.
Sodium Methoxide Application
1. Mainly used as raw materials for medicines and pesticides, also used in dyes and chemical fiber industries.
2. It is used as a condensing agent in organic synthesis, as a catalyst in the treatment of edible oils and fats, and as an important raw material for the synthesis of drugs such as sulfamididine, sulfamethoxazole and sulfonamide synergist.
3. Used as an alkaline condensing agent and catalyst in organic synthesis, used in the synthesis of perfumes, dyes, etc., and is a raw material for vitamins B1, A and sulfadiazine.
4. Used as a condensing agent for organic synthesis
5. Fat transesterification catalyst. To change the fat structure, make it suitable for margarine and so on. Must be removed in the final food.
6, mainly used as a condensing agent, strong alkaline catalyst and methoxylation agent, used to prepare vitamin B1 and A, sulfadiazine and other drugs, a small amount for pesticide production. It is also used as a catalyst for the treatment of edible fats and edible oils, especially lard. Also used as an analytical reagent.
7, mainly used in the production of vitamin A1 vitamin B1 long-acting sulfonamide, sulfadiazine, trimethoprim and other pharmaceutical industries, can also be used in the biodiesel industry. It can also be used as an edible catalyst and analytical reagent.
8, mainly used as a condensing agent; strong alkaline catalyst and methoxylation agent, used to prepare vitamins B1 and A; sulfadiazine and other drugs, a small amount for pesticide production. It is also used as a catalyst for the treatment of edible fats and edible oils, especially lard. Also used as an analytical reagent.
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