What kind of feed do laying hens eat?
Protein feed, energy feed, green feed and so on are the feed that laying hens need to eat. These feeds can increase production by feeding them scientifically. In addition, there are root tuber and melon feed and silage feed, sweet potato, beet, carrot, pumpkin and other root tuber and melon feed, which are generally used under stocking mode.
1. protein feed
According to different sources, protein feed can be divided into four categories: plant protein feed, animal protein feed, single cell protein feed and non-protein nitrogen feed. It seems that there are many kinds. In fact, cake feed is the most important protein feed source in aquaculture, such as soybean meal, soybean cake, cottonseed cake, etc.
2. energy feed
Energy feed refers to feed with crude fiber content lower than 18% and crude protein content lower than 20% in absolute dry matter. Such as grains, bran, starchy root tubers, dregs, as well as liquid molasses, whey and oil and so on.
3. green and juicy feed
Green forage is defined as fresh forage and grass with natural moisture content above 60%. This kind of forage has wide source, high yield, low cost, rich vitamins, tender and juicy, good palatability, such as alfalfa, chicory, ryegrass, aquatic green forage and vegetables.
4. Grams of feed required for laying hens
For chickens less than 10 days old, the number of days +2 is the grams of feed that the chicken farmer needs to feed each layer every day; for chickens from 10 days old to 20 days old, the number of days +1 is the grams of feed fed; for chickens from 20 days old to 50 days old, the number of days is the grams of feed fed; 51 days old to 150 days old, the number of days-50, then divided by 2, and then add 50, that is, the number of grams of feed that chicken farmers need to provide to each chicken per day, such as 50+(100-50)/2=75 grams on the 100th day; layers over 150 days old are generally bred chickens, and chicken farmers need to ensure that each chicken receives more than 100 grams of feed per day.
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What kind of medicine does the beetle kill?
Beetles can be killed with phoxim microcapsules, chlorpyrifos EC, kung fu EC, Baode EC, fenvalerate, quick killing EC and so on. Generally, 25% phoxim microcapsules or 50% phoxim EC or 40% chlorpyrifos EC can be used per mu after being unearthed.
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The best period of sow artificial breeding
Generally, 1930 hours after the sow is in estrus, the redness and swelling of the vulva of the sow begins to subside and there is a filamentous mucus outflow, and when the hindquarters of the sow are pressed to stand still, they can be mated. Before mating, first check whether the vaginal secretion of the sow is normal, if it is normal, once the station appears
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