Rams rearing
The quality of breeding rams has a great influence on the sheep. The breeding of rams must be meticulous and thoughtful, so that it is neither fat nor thin. It is kept in the middle and upper sensations all year round. It is robust, lively, energetic and sexually active. The ram's feed requires high nutritional value, good palatability, and easy digestion. Suitable concentrates include peas, soybeans, corn, sorghum, bean cake and wheat bran. Carrots and squash are used for succulent feeds. The best breeding of rams is the combination of grazing and house-feeding. Grazing is the main method in the grassy period, and it is the main mode of feeding in the lower grass period. In addition to grazing in the non-breeding period, the spring can supply 400 to 600 grams of mixed concentrate, 0.5 kilograms of carrots, 3 kilograms of hay, 5 to 10 grams of salt, 5 grams of bone meal, and 1 to 2 times of drinking water. The breeding period can be divided into the preparation period (1 to 1.5 months before the breeding) and the breeding period (1 to 1.5 months after the breeding). The preparation period should be gradually increased the amount of concentrate, according to the breeding period 60% to 70% of the amount of feeding. In addition to grazing during the mating period, feed supplementation amounts to approximately 0.8 to 1.2 kg of concentrate, 0.5 to 1.0 kg of carrot, 2 kg of hay, 15 to 20 grams of salt, 5 to 10 grams of bone meal, and 2 to 3 feeds of forage. . During the rejuvenation period after mating, the fine material is not reduced at the initial stage, and the grazing time is increased. After a certain period of time, the fine material is gradually reduced.
Breeding of ewes
During the period of empty arms, the ewes are not pregnant and have no burden of lactation, so they are often overlooked. In fact, the nutritional status of the ewes directly affects the estrus, ovulation, and conception. Good nutrition, good body condition, ejaculate neat, ovulation more. Therefore, it is very important to strengthen the raising and management of the ewes, especially the breeding and management before mating, in order to improve the breeding ability of the ewes. For individuals with poor body condition, short-term excellent feeding should be given to ensure that the sheep have the same sensation and the estrus is concentrated to facilitate breeding and lamb production.
The gestation period of pregnant sheep is about 5 months. Pregnancy is divided into pre-pregnancy and late pregnancy. The pre-pregnancy period, which is the first 3 months of pregnancy, is due to the slower development of the fetus and the same nutrients as empty. In general, grazing in the green grass period can meet the nutritional needs without supplementation, and some hay should be added during the hay period. In the second trimester of pregnancy, which is the last 2 months of pregnancy, the fetus grows rapidly. This stage requires adequate feed nutrition and full price. If undernutrition affects the development of the fetus, the lamb's initial weight is small, the coat is sparse, the physiological function is not perfect, the body temperature regulation ability is poor, the resistance is weak, the survival rate of the lamb is low, and it is easy to die. The ewes should prevent early miscarriage in the early pregnancy, and should be considered in the later period around the miscarriage. Should avoid the flock of the sheep to eat moldy feed, drink water, prevent the flock from being frightened, can not catch up with the hurry, avoid crowding when entering and exiting the ring, there should be sufficient quantity of grass racks, troughs and sinks to prevent crowding caused by feeding abortion.
The lactating period of ewes is 3 to 4 months, and it is divided into pre-lactation and post-lactation periods. In the pre-lactation period, 2 months before the lactation period, the main nutrition of the lamb is dependent on breast milk. Breast milk is abundant and abundant, lambs grow fast, have good physique, have strong disease resistance, and have a high survival rate. Therefore, we must strengthen the feeding and management of ewes before lactation and promote their multiple lactation. The grazing alone cannot meet the needs of the ewes for lactation in the pre-lactation period, and must therefore be supplemented with fodder. The amount of supplement should be based on the body condition of the ewes and the number of lambs that are sucking. The single-born ewes produce 0.3-0.5 kg of fine concentrates per day, 2 kg of hay, and 1.5 kg of juicy feed. The production of double lamb ewes daily supplement 0.4 ~ 0.6 kg, hay 1 kg, 1.8 kg of juicy feed. One month after lambing, the ewe’s lactation peaked and gradually declined after 2 months and entered the late lactation period. At this time, the gastrointestinal function of the lamb has become more and more perfect, and the grass can be used in large quantities and the fine material can be crushed. It is no longer entirely dependent on the nutrition of breast milk. For ewes in the late period of lactation, grazing should be the main method, supplementary feeding should be supplemented, and supplementation should be gradually eliminated.
The cultivation of lambs
During the lamb's nursing lamb period, the organs of the body are not fully developed and have weak constitutions, poor adaptability, and are prone to death. In order to improve the survival rate of lambs and reduce the incidence of death, special care is required for lambs.
Warm and cold The newborn lamb has poor body temperature regulation and is extremely sensitive to changes in the outside temperature. The lamb must be kept warm and cold-proof. When the temperature is low, heating equipment should be installed on the ground to cover some warm insulation materials, such as soft hay, wheat straw, etc., and pay attention to check the doors and windows walls are closed, with or without thieves wind invasion.
Eating good colostrum Newborn lambs must ensure that they have colostrum within 30 minutes. For ewes who have no milk after delivery or ewes die after birth, they cannot eat the lambs of their own mother's colostrum, but also let it eat from other ewes. Colostrum, otherwise it is difficult to survive. For mothers with strong mother ewes, the lambs are usually suckled after birth, but some ewes do not have experience in nursing lambs, they have poor motherhood, and they do not have to feed lambs after their birth. They must force manual feeding. That is, the ewes will be guaranteed and the lambs will be pushed to the breasts. The lamb will suck the milk. After a few times, the lambs will be able to eat the ewes' own milk. For lambs lacking breast milk, lambs should be found for the nanny. The ewe's milk can be applied to the lamb's head and hindquarters to confuse the olfactory sense of the ewes and prevent the nanny sheep from rejecting the lambs. After several times, the nanny sheep will Recognize breastfeeding.
Arrange the Lambs to Feed the Ewes Postpartum mothers are best fed together for 15 to 20 days. During this time, the lambs eat more milk, and they need to eat milk almost every 1 hour. After 20 days, the number of lambs being sucked by the lambs decreased, and the lambs could be kept in the sheep's house. During the day, the ewes went out to graze and returned to milk once in the afternoon.
Manual Nursing If the ewes die after giving birth, if they have breast inflammation or if there are more lambs and no suitable nanny can be found, artificial breast-feeding can be used. Artificial milk can be replaced with fresh milk, goat milk, milk powder, soymilk, etc. Fresh milk is best. When milk powder is used to feed lambs, it should be dissolved with a small amount of warm boiled water and then heated to prevent good milk powder from being used. pimple. Add some cod liver oil, carrot juice, a variety of vitamins, a small amount of salt and bone meal. The key to artificial breastfeeding is to master the five links of temperature, concentration, feeding amount, frequency and sanitation.
Feed supplementation of ewes in a timely manner gradually reduces the nutritional needs of the ewes as the lambs grow rapidly and must be supplemented. Generally, lambs begin to rush in about 15 days after birth. At this time, some young grasses, leaves, etc. should be fed. Feed some good green hay. It is better to grind it when feeding the concentrate, and it is best to fry it and add the appropriate amount of salt and bone meal. When adding succulent feed, it should be cut into filaments and mixed with the concentrate before feeding. The amount of supplement can be arranged as follows: 15 to 30 days old lambs, 50 to 75 grams of supplemental concentrate per day, 100 grams of 1 to 2 months of age, 200 grams of 2 to 3 months of age, 3 to 4 months of age supplementation 250g, each lamb needs to make up 10 to 15kg of concentrate at 4 months of lactation. The supplement to the grass can be unlimited, allowing it to feed.
Common disease prevention
Lamb Diarrhea Diarrhea, also known as diarrhea, white peony, jaundice, or E. coli, is caused by E. coli. It mainly harms lambs within 2 weeks of age. The diseased sheep was depressed, bowed and bowed, followed by persistent diarrhea and fecal odor. It started as a paste and became a watery sample, mixed with blisters, mucus, or blood. In the late stage of the disease, anal incontinence, weakness, dehydration, lying in the ground, often died within 1 to 2 days. Drug treatment: The diseased sheep was initially treated with laxatives to clean up the stomach, and 0.2 to 0.3 grams of oxytetracycline was added to the same amount of pepsin and water, twice a day, for several days.
The ectoparasites of goat parasites are mainly fleas and ticks; the main parasites are mainly wired worms and aphids. In that year, lambs should be given intramuscular injections of disinfectants to drive off internal and external parasites in July and August, and propibromide can also be used to repel insects. In combination with the use of sheep manure accumulation to ferment and kill eggs, it can prevent sheep from being repeatedly infected with parasites.
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