Second, grazing opportunities. Grazing generally applies to back-up cattle from the second half of the weaning period to the first two months of the calving. In the grasslands, dairy cows can also be grazing. The size of the herd when cattle are grazing is determined by the amount of herbivory per day per cow, the quality of pasture, and the number of pastures.
Third, grazing techniques. (1) The time for grazing is mainly concentrated in the daytime, and it is generally released twice a day; that is, it is driven out in the morning and returned at noon; in the afternoon, it is driven out and returned before sunset. In the morning, one hour after the sun rises, wait for the fog and dew to subside after grazing. Otherwise, the gastrointestinal tract will suffer from cold stimulation, causing acute abdominal pain. (2) When grazing should be far closer to eating, so that grazing cattle back from the furthest place to eat back, to avoid satiation after long-distance rush, unfavorable digestion, so that the cattle back to the circle can be fully rest rumination. (3) Avoiding run-down and land reclamation of dairy cows so as not to affect grassland utilization and shorten the service life of grassland. (4) Do not grazing with dew, or graze when the grass is still wet after the rain, so as not to damage the grass. Grazing on legume meadows requires grazing after dew or rain, in order to prevent cows from ruminating. (5) Cows should not be grazing on grass that is contaminated by harmful substances to prevent poisoning of dairy cows; they should also be avoided as far as possible. (6) The daily grazing time should be controlled within 6-8 hours. Do not grazing long distances. This will greatly consume the energy of the cattle. (7) During grazing, thorn hedgehogs should be avoided as far as possible to cut through the nipples. After scratching the nipples, it is necessary to wipe iodine in time and apply Vaseline to disinfect it. (8) In thunderstorm days, grazing cows are susceptible to colds, and grazing cows in the windy days are prone to eye diseases. In summer, the cows are prone to heat stroke or have sunstroke. (9) After each day of grazing, according to the degree of feeding of the herd, supplement the concentrate and free collection of hay, and to add a certain amount of stone powder and salt.
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