Concentrated feed for simultaneous reduction of nitrogen, phosphorus and methane emission of cow

Abstract

The present invention relates to a concentrated feed for simultaneous reduction of nitrogen, phosphorus and methane emission of cow. The concentrated feed includes: 46%-50% of corn, 5%-8% of a concentrated molasses fermentation liquid, 18%-24% of wheat bran, 6%-10% of cottonseed meal, 6%-10% of soybean meal, 0.7%-1.2% of salt, 1%-2% of sodium bicarbonate, 0.5%-1% of magnesium oxide, 1.0%-2.0% of stone flour, 0.15%-0.25% of isobutyric acid, and 0.08%-0.12% of 1% oregano oil powder. The invention uses the concentrated feed to regulate rumen fermentation of cow, improve intestinal amino acid balance and reduce dietary phosphorus levels in order to improve the utilization of nitrogen, phosphorus and energy, and the rate of milk production, as well as to reduce emissions of nitrogen, phosphorus and methane in dairy. The invention has economic benefits of reduce feeding cost and improving the utilization of nitrogen, energy and phosphorus of the cow, and milk yield, and has ecological benefits of reducing the emissions of nitrogen, phosphorus and methane in dairy to reduce environmental pollution, and integrates production increase, energy saving and emission reduction in one.

Description

technical field [0001] The invention belongs to the field of feed in animal husbandry technology, and in particular relates to a concentrated feed capable of simultaneously reducing nitrogen, phosphorus and methane emissions of dairy cows. Background technique [0002] With the rapid development of animal husbandry, the resulting environmental pollution is becoming more and more serious. According to reports, the annual discharge of livestock and poultry manure in the country has exceeded the sum of the discharge of industrial waste residues and urban domestic wastes in the country, and has become the cause of environmental pollution. At present, the environmental pollution that attracts attention mainly includes nitrogen, phosphorus, methane and so on. Dairy cows cannot effectively use the nitrogen in the diet, and the conversion rate of nitrogen in the diet to nitrogen in milk is only 30% on average, and most of the remaining nitrogen is excreted through urine and feces; o...

AI Technical Summary

Problems solved by technology

[0009] In terms of dairy cattle concentrate feed preparation technology, the current conventional practice is to focus on how to make up for the insufficient nutrition of roughage in terms of quantity and full price to meet the nutrition required by dairy cows, while basically ignoring the dairy cows. How much impact will the excrement after absorption have on the environment, that is to say, the pollution caused by the nitrogen, phosphorus and methane emissions of dairy cows to the environment is basically not considered in the preparation of dairy cow concentrate feed. For example, the existing technology is to add phosphoric acid Phosphorus-containing mineral feeds such as calcium hydrogen, or only a single nutritional control measure (such as adding yeast culture to the concentrate feed) or adding rumen-passed amino acids to balance the amino acids in the small intestine (such as adding rumen-passed methionine to the concentrate feed ), its purpose is only to increase the milk production of dairy cows, but it has not considered to increase the milk production of dairy cows and reduce nitrogen, phosphorus and methane emissions, that is to say, it has not taken into account the increase in production and income, energy saving and emission reduction, and environmental pollution reduction