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To ensure proper nutrition during the winter, ready-to-eat feed should include adequate protein sources such as soybean stalks, cardamom peels, alfalfa, sweet potato vines, leaves, silage, and ammoniated feeds. These are excellent choices for maintaining the health of sheep during the cold season, and they must be harvested in the autumn. Reserve corn and other concentrates for additional feeding. Straw-based feeds like soybean straw should be crushed to make them easier for the sheep to consume.
Sheep sheds need to be well-ventilated, dry, and clean. Before winter arrives, all air vents should be sealed to prevent leaks from the roof, keep the ground dry, and avoid dampness. The walls should not allow excessive airflow. Each year, before winter, the flock should be sorted based on their body condition so that sheep with similar health levels are grouped together. This helps maximize pasture use. Weak sheep should graze nearby, while stronger ones can go farther, ensuring the weaker ones are protected. Sheep that are chronically ill, thin, old, or have low productivity should be culled or managed carefully during the fall.
In late autumn and early winter, it's advisable to treat sheep with trichlorfon or thiodichlorophenol to control parasites. After increasing supplementary feeding, the natural forage may not be enough to meet the nutritional needs of the sheep. Therefore, feed supplements should be provided daily, between 4 to 7 a.m. and 3 to 5 p.m. Supplementary feeding should take place outside the shed. Each sheep should receive about 1,000 grams of corn silage, 100 to 250 grams of concentrate, 5 to 7 grams of bone meal, and 5 to 10 grams of salt. Water should be given twice a day. Pregnant ewes require double the amount of supplementary feed, especially to increase silage intake.
When grazing, sheep should enter and exit through designated gates in an orderly manner, ensuring smooth herding, feeding, and watering to avoid overcrowding. On days without strong winds, sheep should graze for more than six hours daily. Depending on the terrain and forage availability, prioritize grazing on sunny slopes first, then shaded areas; longer distances first, then closer pastures; the bottom of the ditch first, then the slope; and short grass first, followed by taller vegetation. Use the farthest ranch land for the main flock, leaving the closer areas for lambs and thinner sheep. Before heading out in the morning, open windows on the leeward side to release hot air. Once the indoor and outdoor temperatures are similar, drive the sheep out to avoid them getting cold.