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Rindavital Balance – rumen-protected amino acids to ensure cow wellbeing and to stimulate high performance


The use of Rindavital Balance-products creates new possibilities on your farm: raw protein can be used more efficiently, which relieves the cow’s metabolism and provides more milk protein from the feed protein. The products have a positive effect on milk yield with stable ingredients.

 


Dairy cows need certain amino acids. On the one hand, these amino acids come from the microbially synthesized protein in the rumen and on the other hand from untreated feed protein. High-yield cows cover 60 – 70 % of their amino acid via microbial protein synthesis. The remaining amount of essential amino acids must be fed.

 

The amino acid demand for milk protein synthesis does not correspond to the amino acid pattern resulting from the two sources mentioned in the small intestine. First, methionine and lysine limit performance (see figure 1). In order to avoid performance losses due to limitation, an excess of protein is often offered in practice when designing the ration. This can lead to an oversupply of nitrogen and thus to an additional burden on the metabolism and to a reduction in the nitrogen efficiency.


 

Animal and environmentally friendly treatment


Rumen protected amino acids can be a tool, to provide dairy cows with a needs-based and performance-orientated supply, to avoid luxury consumption and to make optimum use of nitrogen. In order to calculate the necessary quantities, the individual needs of the cow, the quality of the feed and the daily feed intake must be known. Figure 2 shows some ration samples optimised with rumen-protected amino acids. The different UDP-sources are important for the ration calculation: For maize based rations (maize silage, corn maize, dried distillers grains on maize basis), but also for beer grains, the demand for lysine, being available in the small intestine is higher. Rations, relying heavily on grass and rations with soy protein require more methionine, being available in the small intestine. The use of canola protein and maize results in a higher requirement of lysine, being available in the small intestine and a moderate addition of methionine.

 

Clarifying of the operating status and optimising the ration with Rindavital Balance

 

At estate Gut Hülsenberg and at other farms throughout Germany, several rations were analysed for their amino acid pattern and optimised with rumen-protected amino acid mixtures. On the basis of these results the Rindavital Balance products were developed (see figure 3). Rindavital Balance M for rations, relying heavily on grass which have an increased demand on methionine and Rindavital Balance L for rations, relying heavily on maize, which have increased demands on lysine, which makes it possible to cover the amino acid requirements of the animals and to achieve an optimum amino acid ratio. The ration optimisation with rumen-protected amino acids showed a positive effect to milk yield with stable ingredients. The milk urea values in the feeding tests at estate Gut Hülsenberg were  150 mg/l on average. The crude protein content in the feed can be adjusted by using rumen-protected amino acids (see figure 3, estate Gut Hülsenberg 2)

 


Saving feed costs and fertilising areas

 

With a dry matter intake of approx. 23.5kg, the reduction of crude protein content from 16.5 to 15.5 % corresponds to approx. 600g 44 soybean extraction meal or 750g rapeseed extraction meal. This means a cost saving of approx. 15 ct per animal and day. The adjusted crude protein content results in nitrogen savings of approx. 40g per animal and day or 14.6kg nitrogen per animal and per year. For a farm with 100 dairy cows, this corresponds to an area saving of approx. 8 ha according to the new regulation on fertiliser. In the same study, 1.1 kg more milk was milked. This means an additional yield of approx. 35 ct per animal and per day

 

In all investigations, the use of Rindavital balance products resulted in an increased utilisation of the feed nitrogen used by 1-3 %. Assuming an output of 35kg milk with 3.3 % milk protein, this corresponds to an increase in milk protein content of 0.03 – 0.1 percentage points with the same output. In the various studies, higher protein yields were found overall due to increased milk yield with the same protein content.

Figure 1: Law of the minimum, formulated by Liebig for the supply of amino acid of the dairy cow.



Figure 2: compositions of ration incl. the appropriate supply of rumen-protected amino acids



Figure 3: current examination results with the use of Rindavital Balance products.