Traditional Culture Encyclopedia - Weather inquiry - The weather in the south is suitable for grazing goats, but do you need silage?

The weather in the south is suitable for grazing goats, but do you need silage?

Silage has sour smell, soft and juicy taste, rich nutrition, and can be preserved for a long time. It is an excellent feed source for livestock. Corn, ryegrass and Bromus inermis are commonly used silage. Leguminosae includes alfalfa, clover and milk vetch; Other roots and leaves include sweet potatoes, pumpkins, amaranth and aquatic plants. Then do you know how silage is fed to cattle and sheep? What problems need attention! 1, the material is taken from one end of the storage tank, and the daily taking amount is limited to the day of feeding.

2. It must be sealed immediately after being taken out every time, so as to avoid the deterioration caused by rainwater flowing backwards.

3. Clean the water tank before each feeding. Materials frozen in winter should be melted before use. Do not use deteriorated and moldy materials.

4. Salt added during straw storage should be excluded from daily salt consumption.

5. Check whether the drainage ditch is unblocked in time, and whether there are cracks, damage and air leakage in the unused storage tank.

6. In the early pregnancy, ewes have strong digestibility of roughage, so high-quality straw can be used instead of hay, and high-quality hay or silage should also be considered.

The diet can be composed of 50% green grass or hay, 40% silage or micro-storage feed and 10% concentrate.

Concentrate formula: 84% corn, 15% soybean meal, 1% multi-dimensional additive, mixed evenly, fed 1 time every day, each time 150g.

Because of the high water content of silage, the dry matter, energy and protein level are relatively low, it is necessary to feed a certain amount of hay and concentrate. It is particularly noteworthy that silage has high acidity, has the function of moistening intestines and relaxing bowels, and is not suitable for feeding as a single feed, especially for ewes in the third trimester of pregnancy. Try not to feed or feed less to avoid miscarriage.

7. The proportion of silage for sheep is:1.5-2% of ram's body weight; Little ewes can account for 2.5-3% of their body weight;

Fattening sheep can account for 4-5% of body weight. Silage contains a lot of organic acids, which has the function of relaxing bowels. Overfeeding can lead to diarrhea in sheep. In the process of feeding, if diarrhea is found, reduce or stop feeding immediately. Sheep suffering from gastroenteritis should also be fed less or not to prevent diarrhea and acidosis (if the course of acidosis is slow, sheep suffering from gastroenteritis will get excited and lose their heads; Post-mental depression, loss of appetite, dull eyes, severe dehydration symptoms, accompanied by diarrhea).

8. Long-term simple feeding of silage can lead to the decrease of pH value in rumen, which is not conducive to the activities of rumen microorganisms, thus leading to protein deficiency and vitamin deficiency. Therefore, the proportion of green hay in the diet should not be less than 1/3 in the sheep farm with silage as the main feed to maintain the dynamic balance of rumen microorganisms. If silage is the main feed and hay is fed at the same time, adding 0.5-0.7% can improve the PH value of coarse hay! If the concentration exceeds 60%, the PH value will drop. If it is strongly acidic, add 1.0-2.0% baking soda. Baking soda is alkaline and can neutralize acidity. For example, in addition to adding baking soda to neutralize acidity, another method is to treat whole silage with 1%-2% lime water first, and then feed it after washing, which can reduce acidity, improve palatability and promote digestion and absorption without adding baking soda.

9. Conditional sheep farmers will fully mix concentrate, silage and hay to make a "total mixed diet" to feed cattle and sheep, and the effect will be better.

First, the feeding method

When feeding, feed less at first, and then gradually increase it to a sufficient amount to allow livestock to have an adaptation process. Baking soda should be added to cattle in time. When silage is fed, the PH value in rumen of cattle decreases, which is easy to cause acidosis. 1.5% baking soda can be added to the concentrated feed to promote gastric peristalsis, neutralize acidic substances in the stomach, increase feed intake and improve digestibility. Conditional farmers can fully mix concentrate, silage and hay to make a fully mixed diet to feed livestock, and the effect will be better. Frozen silage can not be fed, which will not only reduce the production performance, but also easily cause abortion of pregnant animals.

Second, the access method

It is advisable to take 1 time every morning and evening, and the thickness of silage should not be less than 10 cm each time, so as to ensure the freshness and palatability of silage, minimize nutrient loss and achieve the best effect of feeding silage. The silage taken out shall not be exposed to the sun, piled up or scattered. It's best to bag it and put it in a cool place in the cowshed. After each fetching, the silage in the cellar should be tamped again and then covered tightly with plastic sheets. Silage pits should be protected against rodents to avoid transmitting some diseases to livestock.

Third, ensure the quality of silage and refuse to feed it.

1. After the silage is unsealed, I can smell the sour taste of the silage, the color is turquoise or yellow-green, and the texture is soft and moist. It can be concluded that it is high-quality silage and can be fed. If the feed turns black or brown, smells sour and smelly, and it is sticky or hard to hold in your hand, indicating that the silage has been mildewed, and the mildewed inferior silage cannot be fed.

2. Silage can't replace other feeds, but it can't meet the overall nutritional needs of beef cattle. Therefore, a certain amount of energy must be matched with protein feed, minerals and high-quality green hay. The feeding amount of silage generally accounts for less than 50% of daily dry matter.

3. Because silage contains a lot of organic acids, it has the function of relaxing bowels. If diarrhea is found in the feeding process, it should be reduced or stopped immediately, and check whether the silage is mixed with moldy substances or whether diarrhea is caused by other diseases, and continue feeding after the livestock returns to normal; Female animals should not be fed more in the third trimester.

4. After feeding silage, the amount of concentrate should be reduced as appropriate according to the fatness and other production performance of livestock, but not too much or too fast.

5. Scientifically determine the feeding amount. The amount of silage should be determined according to the weight and use of livestock.

6. When the temperature is low in winter and silage is fed in the morning, take out the silage and feed it after the temperature rises properly.

The main nutritional quality of high-quality silage is close to that of silage raw materials, which mainly shows that silage has good palatability, similar intake, digestibility of organic matter and available energy value, higher vitamin content and energy level, and better nutritional quality. However, the nitrogen utilization rate of silage is often lower than that of silage or homologous hay. Silage is the basic feed for herbivores, and its feeding amount generally does not exceed 30%-50% of the diet.

Common feed for captive sheep:

Feed: including main crop straws (such as corn, peanut vines, taro vines, bean stalks and pods, wheat stalks, etc. ), silage, semi-dry storage, micro-storage, ammonia, alkalization and fermentation to prepare grass, hay, leaf feed and forage grass; There are many kinds of edible grasses in natural grassland and artificial grassland, which are the basic roughage that sheep like to eat. Concentrated feed: mainly corn, beans, rye, barley, oats and so on. Processing by-product feed mainly includes bran, bean (oil) cake, rice bran, corn husk, dregs and so on. Juicy feed: including tubers, tubers and melons. Mineral feed. Such as salt, bone meal, stone meal, shell meal, eggshell meal, chalk meal and defluorinated calcium phosphate. Additive feed: it mainly includes trace elements, antibiotics, probiotics and vitamin additives.