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www.allaboutfeed.net (15 Results)

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Considering individual amino acids in cow diets
Considering individual amino acids in cow diets
To make systematic rather than empirical improvements in increasing the efficiency, we need to adequately define the requirements of the high yielding dairy cow and to match them with a corresponding supply. Because the supply of protein to the dairy cow differs in the composition of its building blocks, the amino acids, and because the metabolic fates of amino acids are not fixed, it is therefore important to consider individual amino acids to better balance dairy rations, says Hélène Lapierre
Improved milk protein synthesis with methionine precursor
Improved milk protein synthesis with methionine precursor
Methionine should be added to cow diets to restore amino acid balance and optimise lactation performance. However, it must be supplied in a form which protects it from the micro organisms in the rumen. A new chemical derivative of methionine has been developed, which provides bioavailable methionine and activates fermentation by the rumen at the same time.
Protein protection strategies
Protein protection strategies
The term bypass has become widely used to describe treatments which allow nutrients, especially proteins, to pass largely unchanged through the rumen for digestion in the omasum or abomasum.
Paving the way in feed peptide research
Paving the way in feed peptide research
How well do we understand protein nutrition? Research has led us a long way towards a full understanding of the mechanisms of digestion and absorption of proteins and amino acids, but the true value of specific intestinal transport molecules for small peptides is not as well recognised.
Designing poultry diets without doubts
Designing poultry diets without doubts
A variety of feed additives and feed ingredients, some with excellent nutritional properties, have become questionable. What are the advantages and disadvantages of these doubtful ingredients and what are the alternatives?
Lone voices in the BSE debate
Lone voices in the BSE debate
As the BSE hysteria calms, some of the quieter voices are still audible. These are offering alternative explanations for the cause of the epidemic. Though research is still in its infancy, Czech scientist Dr Josef Hlásny firmly believes that scrapie-infected MBM was not the sole culprit.
Pioneering technology for protein nutrition in ruminants
Pioneering technology for protein nutrition in ruminants

Many trials have shown that the protein source in the diet of the dairy cow could have a marked influence on milk protein secretion. In practical ration formulation it is almost impossible to meet both the lysine and methionine constraints for high milk production (also meat production in beef animals and sheep) respectively from conventional raw materials alone.

Ideal concentrate feeds for grazing dairy cows
Ideal concentrate feeds for grazing dairy cows
Grazing is a valuable, low cost resource for feeding high-yielding dairy cows. However, the balance between providing sufficient energy and managing grassland is delicate. Full exploitation of grazing systems to maximise milk yield requires that concentrate feeding is also optimised.
Understanding bypass vegetable Proteins
Understanding bypass vegetable Proteins
The rumen is a highly evolved and adaptable fermentation system for breaking down otherwise indigestible plant materials. Yet many scientists are seeking to develop proteins which bypass rumen digestion altogether in order to increase productivity.
Nutrient synchrony affects nutrient use in calves
Nutrient synchrony affects nutrient use in calves

Nutrient synchrony (or the distribution of nutrients within a day) affects protein, glucose and fat metabolism and can ultimately impact on the utilization of nutrients in preruminant calves, concludes PhD student Joost van den Borne at Wageningen University in the Netherlands.

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