How to improve the efficiency of family raising sheep
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Third, a reasonable arrangement of the sheep's structure First, we must determine the number of sheep in the year. According to the principle that the fat sheep's slaughter head is equal to or slightly smaller than the lamb's survival number, the adult ewes should account for about 50% of the entire flock. According to the adult ewes, they are eliminated at a rate of about 15% per year. Not all ewes can be used as reserve ewes, so the ewes should account for about 20% of the entire flock. In this way, ewes of all ages should account for about 70% of the total number of sheep, and males of all ages should account for 30% of the total number of sheep. If the flock is controlled to a certain number (the number of fat sheep slaughtered that year is equal to the number of lambs that survived that year), then the lambs should account for 40% of the entire flock (including 20% ​​of the female lambs and the corresponding male lambs); The number of fat sheep in the current year's flocks should be less than the number of lambs that year.
Fourth, to strengthen the breeding and improvement efforts in the breeding process if you do not attach importance to the introduction of external blood, allowing the sheep to freely mate, will result in the descendants of offspring quality year after year decline. The following measures should be taken in this regard:
(1) Introduce good rams of the same species other than this group into this group so that the herd's quality can be rejuvenated.
(2) Introduce good rams, which are different from their own, to improve the quality of this herd by crossing.
(3) In this herd, select good rams and ewes without direct kinship to breed so that the quality of the herd can be maintained.
(4) Casting and phasing out rams that are not suitable for planting in time.
(5) Conditional Yangyang households should establish herding pedigree files to prevent herd from random distribution.
Fifth, reduce feed costs Full use of home straw, grass straw, etc., will be made into straw micro-feed or ammoniated feed, in order to improve the utilization of feed and reduce feed costs. In the summer and autumn when the forage grass is full, it is not possible to supplement the feed and extend the grazing time accordingly; in winter and spring, the supplement is the main, and the proportion of roughage and concentrate feed is appropriate.
6. Pay attention to the fact that the deworming sheep can easily grow slowly and even die due to the infection of parasites during the breeding process. Doing a good job of deworming the sheep is an important part of raising the economic benefits of raising sheep.
1. Deworming time. Sheep raising households should repel insects twice a year for 2 to 4 months and 9 to 11 months respectively. Short-term fattening sheep should be dewormed at the beginning of fattening.
2. Drug selection. There are many types of drugs used to deter insects, and the combination of amidazole and avermectin tablets works well. The method is to rotate every 15 days. Deworming generally should be carried out in the morning when 600 to 700 sheep fasting, a dose of 1 tablet per 10 kilograms of body weight (the same amount of two drugs), feeding within 6 hours of fasting, water restrictions.
VII. Prevention of Diseases Quicklime is used to regularly sterilize a certain range of inside and outside of the sheep house and common facilities and utensils, such as quicklime, lavender, potassium permanganate, and flames. At the same time, various vaccines are injected to the sheep according to the requirements of a veterinarian, and the state of the sheep is carefully observed. Investigate sick sheep in time and ask for veterinary treatment to prevent it.
Natural sweeteners are substitutes for sugar. Natural sweeteners considered to be generally safe include stevia, licorice, disodium glycyrrhizinate, tripotassium glycyrrhizinate and trisodium. Natural sweeteners have many uses in the home and in processed foods.
Natural non-nutritive sweeteners are increasingly paid attention to, is the development trend of sweeteners, WHO pointed out that diabetes patients have reached more than 50 million, more than a quarter of the American people require low-calorie food. In sucrose substitutes, the United States mainly uses aspartame, up to more than 90%, Japan mainly uses stevia glycoside, and Europeans are more interested in AK sugar (acesulfames). All three non-nutritive sweeteners are available in China.