What effect does the expanded cow feed have on the rumen protein content?
A: The ruminant contains a large amount of microorganisms in the stomach, and the ingested protein or non-protein nitrogen is degraded by microorganisms.
At the same level, then enter the intestinal digestive absorption. Because not all of the ammonia produced in the rumen can be converted into micro
Biological protein, when fed with soluble nitrogen-containing feed, a large amount of ammonia is absorbed, which is easy to cause ammonia poisoning. but if
The ingested protein can form rumen protein, which can enter the intestine directly through the rumen and escape microbial degradation.
Digested and absorbed in the form of amino acids. The higher the milk yield, the greater the proportion of ruminal protein/microbial protein
Seek higher. For high-yield dairy cows, it is necessary to increase feed intake; increase the digestibility of nutrients;
The proportion of gastric protein; at the same time ensure the simultaneous degradation of nutrients in the rumen. Due to the high yield of bovine rumen protein
The demand is high and must be replenished in the diet to meet its milking needs. Puffing technology does not use chemistry
An additive that enhances ruminal protein by heat treatment. In the bulking material, the egg is present due to the presence of a large amount of gelatinized starch.
The white matter binds tightly to the starch matrix to form a rumen non-degradable protein, the ruminal protein.
It can be seen that puffing can significantly increase the content of rumen protein, which is beneficial to the digestion and absorption of ruminants.
Compared with single-acting chemical treatment, the expansion technology can achieve multiple effects at a lower cost, such as increasing
Add rumen protein; affect the degradation of nutrients in the rumen; increase the digestibility of starchy substances by more than 10%;
Product sterility; product structure meets both animal nutrition requirements and TMR feeding requirements;
The milk volume is 2~3l; the milk production cost is reduced by 10~15min/l; the granulation can be granulated when the regranulation is increased (if needed)
Sex and so on.
For the expanded TMR, the size of the pulverizer and the crusher can be controlled to properly control the expanded product granules.
To adapt to TMR feeding, the extruded product is basically free of fine powder. Of course, the puffing can also be used as a pre-pressing
Pretreatment, by granulation after puffing, can reduce the energy consumption of the granulator, and can improve the firmness of the granules.
Double, at the same time due to starch gelatinization, the pulverization rate can be reduced to 0.8% during granulation, less than conventional or secondary granulation
Half of the fine powder rate (2%). There are other advantages to using puffing as a pre-press pretreatment:
A thinner template can be used, and the wear of the stencil can be reduced by 50 to 70%; more than 10 to 15% of the molasses can be added.
If you only increase the rumen protein compared to other techniques, add 5 to 6% of the rumen protein in the formula.
use:
All cost increases are based on TMR per ton. It can be seen that the use of puffing technology can meet milk at a lower cost.
High-yield ruminal protein requirements in cattle.
In addition, in order to further reduce the cost of feeding, increase the utilization of non-protein nitrogen, puffed corn, urea and
Part of the crude fiber mixture is emerging in China, which can improve the utilization of urea in cows and reduce the feed.
The addition of animal proteins and vegetable proteins reduces the cost of feeding.
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