(A) The benefits of adding buffers Buffers include sodium bicarbonate, sodium carbonate, magnesium oxide, bentonite, and ash. Adding buffers to dairy cows' diets can improve the feed intake of dairy cows, stabilize and increase milk production. Second, it can keep the hydrogen ion concentration of rumen, intestinal contents and body fluids of cows normal. The gastric acid in the rumen makes the pH value relatively stable. Third, the rumen fluid is diluted, which increases the outflow velocity of the rumen fluid, increases the concentration of acetic acid, increases the ratio of acetic acid and propionic acid, and increases the milk fat percentage. It can effectively prevent ruminal acidosis, increase disease resistance, and ensure the health of cattle.
Ash is an inexpensive buffer. Plant ash contains 5% -10% of potassium oxide, and also contains trace elements such as calcium, phosphorus, boron, manganese, zinc, molybdenum, etc. Milk cows can significantly increase milk production after consumption. The ash is alkaline, with the functions of disinfection, sterilization, effectiveness, cleaning of the stomach, and absorption of harmful ingredients in the intestine. It is used as a buffer and can neutralize stomach acid, increase appetite, and enhance disease resistance.
(2) Application conditions of buffers (1) High-yield dairy cows at the beginning of lactation; (2) Herd stocks containing 50% to 60% of concentrates in the diet; (3) Near-term feeding of silage or roughage It is a bad residue feed; (4) Summer lactation cows have reduced appetite and apparently reduced dry matter intake; (5) When the milk fat content of lactating dairy cows is significantly reduced; (6) When lactating cattle diets from coarse type When converted to concentrate type (concentrates account for more than 50%)
(C) the amount of buffer (1) sodium bicarbonate; according to the dietary dry matter intake of 0.7% - 1.5% added, or by the amount of concentrate feed 1.5% -2% added; (2) Sodium carbonate (food base): 0.5% to 1% of the total dry matter content of the diet; (3) Magnesium oxide: 0.2% to 0.4% of the total dietary dry matter Add or mix 2-3 parts of sodium bicarbonate with 1 part of magnesium oxide in an amount of 0.6%-0.8% of dietary dry matter; (4) Bentonite: 0. 6%-0.8% added, or 1.2%-1.5% of concentrated feed; (5) ash: add 2%-3% of dry matter, or according to the amount of concentrate 3% - 4% added.
For high-producing dairy cows with a daily milk output of more than 30 kg, the addition of sodium bicarbonate also requires the addition of magnesium oxide or bentonite.
Royal Jelly is also called Bee Milk. The fresh royal jelly is slightly ropy milk paste substance; it is the excretive mixture of nutrition gland and maxilla gland of the head of little worker bee. The worker bees use this to feed the 1-3 days` worker bee larva and drone larva, 1-5.5 days` queen bee larva and queen bee in the oviposition period. The royal jelly is the biologic product containing very complicated active elements which contains almost all the nutrition elements required by the growth of the human body.
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