Feed additive for dairy cows at earlier perinatal stage
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A feed additive and pre-perinatal technology, applied in the field of compound health care additives, can solve the problems of complex process and single function, etc.
Inactive Publication Date: 2014-07-16
JILIN AGRICULTURAL UNIV
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The patent with the application number "200410011239.5" is "a Chinese herbal milk booster for dairy cows", the patent with the application number "201110276378.0" is "a method of manufacturing a dairy cow feed additive containing active probiotics from traditional Chinese medi...
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preparation example Construction
[0024] The preparation method of Astragalus extract is carried out according to the following steps: the dried Astragalus membranaceus (Fisch.) Bunge. root raw material is washed, dried, pulverized, and 10 times the mass of water is heated and boiled for three times, each time for 2 hours, combined Three extractions, concentrated and evaporated water to the extract with specific gravity d=1.20, let stand to cool, add ethanol to the extract and stir, let stand to precipitate, centrifuge the precipitate, continue to add ethanol to the precipitate and stir, after standing and centrifuging, remove the protein, Mucus-like ingredients, dry to brown-yellow or off-white powder. Active ingredient content: astragaloside IV 0.3%-98%, astragalus polysaccharide 10-70%.
[0025] The preparation method of the Acanthopanax extract is carried out according to the following steps: the dry root and rhizome of the Araliaceae plant Acanthopanax senticosus are cleaned, dried, pulverized, and heated...
Embodiment 1
[0028] Anion salt addition amount: 40gMgSO 4 , 20gMgCl2 , 20g (NH 4 ) 2 SO 4 , 20gCaCl 2
[0029] Addition amount of Chinese herbal medicine: 4g Astragalus extract, 0.5g Acanthopanax extract, 4g Angelica extract The following is an example diet formula
[0030]
[0031]
[0032] Premix contains 8,000mg / kg Fe; 2,400mg / kg Cu; 8,000mg / kg Mn; 15,000mg / kg Zn; 200mg / kg I100mg / kg Se: 100mg / kg Co: 860,000IU / kg VA; kg VD,; 10,000mg / kg VE
[0033]
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Abstract
The invention discloses a feed additive for dairy cows at the earlier perinatal stage, and belongs to the field of feed additives. The feed additive for dairy cows at the earlier perinatal stage is formed by combining anion salt and/or traditional Chinese medicine additives in the mass ratio of (90-100):(5-10). The anion salt is added into daily ration of dairy cows at the earlier perinatal stage so as to reduce the dry matter intake; the traditional Chinese medicines are added so as to increase the appetite of dairy cows at the perinatal stage, thereby improving the dry matter intake. By the mixing and adding of the anion salt and the traditional Chinese medicine additives, the dry matter intake of dairy cows is nearly not different from that of a control group, and thus the palatability problem of the anion salt is relieved to a certain extent.
Description
technical field [0001] The invention belongs to the field of feed additives, and is a compound health-care additive for dairy cows in the peripartum period. Background technique [0002] The peripartum period of dairy cows generally refers to 15 days before delivery to 15 days after delivery, which is a special and important stage in dairy cow feeding. During this period, dairy cows undergo physiological, nutritional, and metabolic changes, and hypocalcemia caused by parturition and lactation can cause a series of diseases. Pregnant cows must also transfer immunoglobulins from the blood to the colostrum, resulting in reduced immune function. At the same time, the reduction of feed intake leads to a negative energy balance and enhances immune suppression, which reduces the resistance of dairy cows to various diseases. In addition, a large number of studies have confirmed that many common diseases of dairy cows during the transition period are interrelated and are closely re...
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