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Relationship between dry milk and mastitis
Release time:
2020-09-28
3. Dry Cow Management 1. Within 7 days after dry milk, use nipple medicine bath containing effective iodine ≥ 0.25% twice a day. 2. The grouping of dry cows should be strictly controlled. There are at least two designated areas. One is for cows with new dry milk for 2 weeks, the other for cows with more than half a month are only moved to other dry cow houses, and the abnormal cows in the milk area are only put into the delivery room for treatment. 3. Regularly observe the filling, shrinkage and abnormal changes in the milk area of dry cows every day, and deal with any abnormalities in time. 4. Ensure that the cowshed is disinfected four times a month. Use caustic soda and peracetic acid to disinfect alternately. Add and replace the cowshed bedding in time. Strengthen the improvement of the environment of the dry cow house to provide a comfortable and dry living environment, because the wet and dirty environment will increase the incidence of mastitis. 5, strengthen the management of prenatal cattle, prenatal cattle breast edema, some milk leakage, the environment is not good easy to infect mastitis, prenatal cattle density is too large, cattle stress is prone to postpartum blood milk, so prenatal to ensure a dry, clean and comfortable environment and appropriate density. 6. Reasonable full-price diet, ensuring sufficient dry matter intake, adding various vitamins and trace elements to improve the resistance of cattle.
With the continuous improvement of the living standards of the domestic people, the demand for milk continues to increase, and domestic breeding has raised a new level. Large-scale pastures are increasing, showing scale, intensification and efficiency. So how to make cows achieve high and stable yield to achieve the effect of gain? Therefore, dry milk work is an important topic that pasture managers must include in their daily agenda. In this paper, how to do a good job of dry milk cows, put forward their own views, hoping to improve with colleagues in the dairy industry. The average lactation days of a cow are 305 days. How to make the milk production efficiency of these 305 days play a very important part. So how to do a good job of dry milk, first of all, we must clarify the purpose of dry milk.
Relationship between 1. dry milk and mastitis
1. Repair and regenerate mastitis tissue that was infected and damaged before calving.
2. Reduce the incidence of new infections during the dry milk period and reduce the incidence of clinical mastitis before and after calving.
3, than in the lactation treatment of clinical mastitis to economic and effective.
4, dry milk period by the treatment of cattle, after calving milk without drug residues, do not pollute the fresh milk, milk production increased.
2. Dry Milk Procedure
1. Preparation before dry milk
① Create a dry cow file.
② Before dry milk, let the breeding personnel carry out fetal inspection and verification, do this work 60 days before the expected date of delivery, and mark it accordingly for observation.
③ Breast examination and treatment of cows before drying milk, recessive mastitis detection (CMT or SMT detection solution can be used) one week before drying milk, removal treatment of cows above detection, and dry milk work after cure.
The choice of dry milk drugs, a drug sensitivity test of dry milk drugs used in cattle farms or statistical analysis of the effect of dry milk in previous years to determine the choice of dry milk drugs next year.
⑤ Prepare a dry cow shed and let the dry cows be raised centrally.
2. Dry milk method
① Fast dry milk method For cows that need dry milk, do the preparation work before dry milk and then dry milk quickly, directly squeeze the milk in the milk area, inject the selected dry milk medicine in the milk area, and at the same time carry out dry milk deworming, take a good medicine bath, and move into the dry cow house.
② Progressive dry milk method for the need to dry cows only two weeks in advance from three times a day to two times a day, the last day once, so that the dry cows milk area storage gradually reduced, while the diet formula on the regulation.
Phosphorus-rich Rocky suitable for cows, breeding cattle, dry cows, calves Red Rocky suitable for beef cattle, breeding cattle
3. Dry Cow Management
1. Within 7 days after dry milk, use nipple medicine bath containing effective iodine ≥ 0.25% twice a day.
2. The grouping of dry cows should be strictly controlled. There are at least two designated areas. One is for cows with new dry milk for 2 weeks, the other for cows with more than half a month are only moved to other dry cow houses, and the abnormal cows in the milk area are only put into the delivery room for treatment.
3. Regularly observe the filling, shrinkage and abnormal changes in the milk area of dry cows every day, and deal with any abnormalities in time.
4. Ensure that the cowshed is disinfected four times a month. Use caustic soda and peracetic acid to disinfect alternately. Add and replace the cowshed bedding in time. Strengthen the improvement of the environment of the dry cow house to provide a comfortable and dry living environment, because the wet and dirty environment will increase the incidence of mastitis.
5, strengthen the management of prenatal cattle, prenatal cattle breast edema, some milk leakage, the environment is not good easy to infect mastitis, prenatal cattle density is too large, cattle stress is prone to postpartum blood milk, so prenatal to ensure a dry, clean and comfortable environment and appropriate density.
6. Reasonable full-price diet, ensuring sufficient dry matter intake, adding various vitamins and trace elements to improve the resistance of cattle.
4. open milk bad milk rate
1. In the late period of dry milk, that is, 15 days before perinatal delivery, the dry cow house shall be inspected every day, with emphasis on observing the situation in the milk area, and any abnormal situation shall be handled in time.
2. Medicinal bath once a day to prepare for postpartum lactation, and can effectively reduce the bad milk, because milk leakage is very common in the later period, which is easy to cause bacteria to breed. Medicinal bath can effectively prevent bacterial infection at this time.
3. Strengthen the daily management of cattle to avoid mechanical damage.
4, found that the disease cattle should be timely isolation, find out the cause of the disease, so as to avoid cross infection.
5, for poor physique and worthless cows, should be eliminated in time, and the site thoroughly disinfected.
5. Safe and Effective Measures for Dry Milk Work
1, equipped with a sense of responsibility of skilled milking staff. 2. SMT test shall be done during dry milk, and the test date and results shall be recorded. Only long-acting broad-spectrum antibacterial (Mercadon-Naifushu) shall be selected for breast healthy cattle to seal nipples.
3. Effective broad-spectrum antibiotics are selected for the treatment of recessive and clinical mastitis milk areas (effective for Staphylococcus aureus should be considered). Samples can be taken for inspection, pathogenic bacteria and drug sensitivity of the field can be investigated, and antibiotics are selected. After cure, long-acting broad-spectrum antibacterial dry milk medicine (Mercadon-Nai Fu Shu) was selected.
4, deworming and check the limbs and hooves of the disease, take active prevention and control, and make the original record.
5. Complete and detailed records (dry milk, deworming records) and complete treatment records of individual cows from dry milk to calving milk must be established.
6. Summary
I believe that as long as the pasture management personnel really attach importance to the dry milk work and do a good job in the details, the cows will definitely spend the two-month vacation safely and effectively, effectively reduce the rate of bad milk, and bring rich returns to the pasture after calving is put into production.
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