How to feed high-yielding cows

How to feed high-yielding cows

High-yielding dairy cows are cows that produce more than 30 kilograms of milk per day and have a total milk production of over 6,000 kilograms during a lactation period. High-yielding dairy cows are characterized by a fast milk production period and the lactation curve rises to the highest peak (usually 50-60 days after childbirth); long-lasting lactation peaks (about 30 days); milk production declines slowly after the peak of lactation. Due to the high milk production, the feed intake of cattle is high, the efficiency of feed utilization is high, the metabolism is strong, and the reaction to the feed and the external environment is quick. Therefore, in the breeding process, aiming at the characteristics of the cows, try to meet their needs. Mainly to do with the complete nutrition of the diet, feed palatability, good quality, volume should not be too large, easy to digest. The specific approach is as follows:
1. Strengthen the nutrition during the dry period: Feeding during the dry period has a direct effect on the feeding during lactation. Silage and hay are the main feeds, and the amount of mixed concentrate accounts for about 0.5% of body weight. Two weeks before delivery, the feeding room was raised separately to supply high-quality hay, and the amount of fine feed was gradually increased. However, the daily feed amount should not exceed 5 kg to prevent obesity. Feed each shell daily with 75 grams of shell powder.
2, to strengthen the lactation period: 5-6 days after childbirth, depending on the status of the cow, under the possible conditions of feeding fine material, in a relatively short period of time to improve the nutritional level of its diet, and make the cows have a strong appetite . The amount of concentrate is about 1% of body weight, about 6-6.5 kg per head per day. The approximate ratio of fines and coarses is 54%: 46%.
In order to maintain the appetite of the cow and increase the amount of feed, the number of feedings can be increased, and the milking can be carried out three times a day three times. The coarse material is fed and the fine material is added after the feeding.
In the daily diet, 7-10 kilograms of beets or carrots are kept to diversify the feed.
Adhere to regular feeding on a daily basis, the diet is relatively stable, and the amount of feed is fixed. Do not arbitrarily change the diet and try to be stable.
2% calcium bicarbonate in the concentrate feed is added to the concentrate to prevent cows' postpartum keenuria and ruminal acidosis.
Can do the above, even if the high-yielding cows are raised.

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