Meat pigeons have a large amount of activity, high body temperature, rapid growth and development, and strong metabolism, thus requiring more nutrients than other livestock and poultry, especially water, energy, protein, minerals, and vitamins. Although meat pigeons have strong cold resistance in winter, the low temperature has a great influence on the growth and health of pigeons. Therefore, meat pigeons are required to “prevent two things†in the winter. One of the cold and warmth is to block the cracks and holes in the loft walls so as to prevent the pigeons from being affected by the cold wind. The second is to seal the front and back windows with plastic film, hang the curtains outside the window at night, and hang the wind curtains on the doors so that the temperature inside the house can be increased. Third, the temperature of the loft should be kept above 5°C. This breeder can lay eggs, hatch and breed young pigeons as usual. If the loft temperature is lower than 3°C, additional heating equipment should be added. The nutrients must be low in winter and the energy contained in the feed must be higher than in other seasons. The variety of meat pigeons should be diversified and the nutrition must be comprehensive. It is necessary to meet the nutrient requirements of the breeding pigeons and to meet the nutritional requirements for the growth and development of young pigeons. . The general breeding stock should contain 11.7 MJ/13.4 MJ/kg of metabolic energy and 15%~17% crude protein. The feed formula is 45% corn, 25% soybean meal, 10% of pellets, sorghum, and legumes, 10 grams to 15 grams of poultry multivitamin per 50 kilograms of feed, and 2 to 3 feeds per day after food Let the pigeons drink water freely. There are many kinds of inorganic salts composed of minerals in pigeons for minerals, mainly calcium, phosphorus, potassium and other elements. Minerals are essential for the health of pigeons, the normal growth of bones and muscles, the development of young birds, and the production of eggs and breasts for adult birds. They have the functions of regulating body osmotic pressure, maintaining acid-base balance, and promoting the enzyme system. It is also The important components of bone, eggshell, hemoglobin and other tissues. Calcium and phosphorus have the highest content in the bones of the pigeon body, and the amount of requirements is also large. In the absence of pigeons, they are susceptible to osteomalacia. The young pigeons have poor bone growth and slow growth. The old birds can cause bone fragility, joint sclerosis, and egg production. Pigeons cause a drop in egg production, thin shells, and even soft shells. Calcium and phosphorus have a synergistic effect in the pigeon body. The appropriate calcium and phosphorus ratios will help the pigeons to absorb and use and maintain the acid-base balance of body fluids. In general, the calcium and phosphorus ratio should be 1.1:1 to 1.5:1. It is appropriate. The feed formula is 30% for loess, 25% for fine sand, 30% for shellfish, 5% for bone meal, hydrated lime, and salt, allowing meat pigeons to feed freely. In addition, insist on cleaning the lofts, the droppings and feathers in the pigeon cages, clear the pigeon droppings from the nests, prevent the young pigeons from getting sick due to contamination with the feces, keep the air fresh, and open the doors and windows for ventilation according to the weather conditions. . At the same time, lofts and eating utensils should be regularly sterilized with 5% of Su Su water, 3% of potassium permanganate or one hundred poisons, and the diseased pigeons should be immediately isolated and promptly treated.
PCR ( Polymerase Chain Reaction)
SARS-Cov-2, One test type that uses a sample from a nose or throat swab in a 'PCR test'. The goal is to make enough copies of the viral cDNA in order for it to be detectable.
Superyears General 2215 RT-qPCRadopts all-in-one with an industrial art design, combining the Analytical Instrument, Large touch screen, and Computer. General 2215 RT-qPCR is equipped with the proven thermal-cooled electric technology, which can recognize the speed rate of temperature control faster and obtain high-quality testing results within 40 minutes. To ensure the sensitivity and stability of the testing a design with traditional beam path with a susceptible CMOS image sensor is used. In addition, General 2215 supports multiple PCR analysis and High-resolution Melt Curve (HRM) analysis, compatible with the mainstream reagent kit in the market. It will be the best assistant and your preferred RT-qPCR.
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It provides a way to make more copies of a portion of DNA.
We need to have PCR ingredients that include DNA portion, Buffer solution, Primer+DNA (tap polymerase), and Nucleotides during the preparation step.
In the step of PCR sequence, there are three steps in this section.
Step 1 Denaturation
The addition of heat is needed to separate the two strands of the DNA molecule.
Step 2 Annealing
Temperature, is going to be cool in this step, should allow the primers to bind to the specific segments.
Step 3 DNA Synthesis
To make more copies of the DNA.
Those three steps above keep repeating to make enough copies of the DNA fragments. It is the principle of how PCR machine works.
"One Prevention and Two Wants" for Winter Meat Pigeon Breeding
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