Autumn is the best breeding season for sheep. At this time, the ewes are generally strong, the rams have strong sexual desires, and the autumn weather is suitable, the forage resources are abundant, the sheep's lyrics are good, and the lambs in the autumn with the ewes are full. The best of the year. The lambs born that year were fattened in the same year, and they were able to sell them before the Spring Festival. The timing of sales was good and the economic benefits were relatively high. So how can we do a good job of autumn management and breeding of sheep? Hui Nong.com compiled the following five key elements of autumn sheep breeding management to provide reference for sheep farmers.
First, improve the nutritional level of the rams.
Although the number of rams is small, the seed value is high, and the impact on the offspring is large, and the requirements for feeding management are high. It is necessary to keep the rams healthy and healthy for a long time. It is good but not too fat to ensure its sexual desire and semen quality.
Feeding the ram's forage should be scientifically matched to diversify. The diet with a weight of 80-90 kg of rams during the breeding period is roughly 1 kg of concentrate, 2 kg of hay or wild hay, 1 - 1.5 kg of carrots, 15-20 g of salt, and 5-10 g of bone meal. The concentrate and roughage can be supplied in two or three times, and the rams in the breeding period should be fed once in the evening.
The rams should also exercise more during the breeding period and exercise for about half an hour every day.
During the busy period of breeding, one or two fresh eggs should be given to the ram every two days. In the later stage of breeding, the feed of the concentrate should not be drastically reduced, and it should be gradually reduced after feeding for a period of time, and finally transition to the breeding level of the non-breeding period.
Second, seize the best breeding time for the ewes.
It is necessary to master the estrus period of the ewes to achieve timely breeding. In general, the ewes show signs of loss of appetite, uneasiness of snoring, flushing of the vulva, vaginal discharge and frequent swaying.
The ewes begin to ovulate 30-40 hours after estrus. At this time, the breeding is easy to receive the fetus, and the breeding of the ewes will be relatively smooth, especially at the end of estrus, once the breeding can be conceived.
However, in the production practice, the method of two kinds of breeding is usually adopted, that is, after the first breeding, the ewes can be bred for a second time at intervals of 12 hours, which can improve the conception rate of the ewes.
Third, strengthen the miscarriage and management of pregnant ewes.
After the ewes are conceived, if they are improperly managed, they may cause premature birth and miscarriage.
It is strictly forbidden to feed the sheep with moldy or spoiled forage. It is strictly forbidden to let the sheep drink water on an empty stomach. It is necessary to prevent the sheep from being scared during grazing and to have violent movements such as sprinting or jumping. In particular, prevent the sheep from squeezing each other when entering or closing the door or feeding.
For ewes with congenital or habitual abortion, veterinary fetus medication should be given in advance under the guidance of a veterinarian.
In the pre-pregnancy period of the ewes, the fetus develops slowly and the required nutrients do not increase significantly, but the ewes are required to maintain a good lyric state. The diet can be determined on a case-by-case basis. Huinong.com recommends that the diet be formulated with 50% glutinous rice, 30% hay, 15% silage corn stalk and 5% concentrate.
Within 5 to 6 weeks before the ewes are delivered, the proportion of concentrate in the diet can be adjusted to about 18%. At the same time, the ewes should have moderate exercise in the later stages of pregnancy, and pay attention to add appropriate amounts of vitamin A and vitamin D.
Fourth, do a good job in the prevention and treatment of disease.
Autumn is a season of frequent and epidemic of animal diseases. Therefore, in addition to the use of levamisole or albendazole to deworm the flock, it is also necessary to inoculate the vaccine against the vaccine to prevent the occurrence and spread of infectious diseases.
Fifth, do a good job in the cleanliness of the sheep house.
The sheep house should be cleaned up in time, such as the droppings in the house and the dirt in the feeding trough (such as dirt, stones and leftover grass roots), keeping the sheep house dry and clean. It is regularly disinfected with 2% caustic soda solution, 3% stearic acid or 2% formalin.
In the cold winter, the sheep house should be repaired, the vents in the north should be blocked, and the temperature of the house should be kept above 2 °C. In addition, the sheep should be brushed frequently to enhance blood circulation and improve their disease resistance.
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