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I. Types of common grease
1.Animal oil, extracted from the visceral tissue of livestock, poultry and fish, mainly saturated fatty acids, fish oil is rich in unsaturated fatty acids.
2.Vegetable oil, extracted from plant seeds, such as soybean oil, rapeseed oil, palm oil, mainly unsaturated fatty acids.
3.Feed grade hydrolyzed fats and oils, from the production of edible oils or soap production process by-products.
II. The purpose of adding grease in the feed
1.Supply energy, total energy value of grease and effective energy is much higher than the general energy feed, equivalent to about 2.5 times the corn.
2.Promote the absorption of fat-soluble vitamins.It can promote the absorption of vitamin E, vitamin A and vitamin D.
3.Reduce feed dust.Reduce feed dust and nutrient loss in the chicken house, reduce environmental pollution.
4.Increase feed color and luster, inducing laying hens to feed.
III.The functionality of fat to explore
The current problems faced by the layer breeding
Chick rearing period, breeding period: body foundation construction
Challenges:
1.High nutritional demand, weak absorption;poor neatness,feed poo, insufficient diameter length, late laying.
2.Inadequate immune function: poor disease resistance, easy to stress.
Peak egg-laying period: high load on the body
Challenges:
1.Nutrient absorption system load,high consumption:low peak value, short maintenance time, material and egg ratio as high as 2.5:1 (ideal state 2.05:1);
2.Emergency sensitive,immune system stress:easy diarrhea,environmental sensitivity.
3.Thin-shelled eggs, soft-shelled eggs,sandy eggs,dirty eggs,deformed eggs are common.
Late stage of egg laying: decline in body function
Challenges:
1.Nutritional absorption system aging,decreased absorption capacity: fast egg drop, material to egg ratio as high as 2.7:1 (ideal state 2.2:1), egg quality deterioration (thin-shelled eggs, soft-shelled eggs, sandy-skinned eggs, dirty eggs, deformed eggs proportion rose), serious feather loss, high incidence of fatty liver, overfeeding.
2.Fragile immune defense, elevated risk of disease: high rate of dead pans, salpingitis.
IV.The solution:
To solve these problems,experts in laying hens nutrition have taken many approaches.Previously considered solutions are mainly vitamins, minerals proteins, carbohydrates, and protein-energy ratio, the proportional relationship between the elements, etc., in the micro aspect of the use of enzymes, prebiotics, probiotics, etc., but these problems are still not completely solved. In recent years, attention has been paid to lipid nutrition solutions,and some studies have proved to have unexpected effects.The in-depth study of lipid nutrition has also opened a new door in animal nutrition.
Calid focuses on the research,development,manufacturing and application promotion of new technologies and products for animal lipid nutrition,providing customers in the field of animal husbandry and fishery with feed-grade fatty acid balancing solutions,and is committed to promoting the transformation and upgrading of China’s lipid feed and feed additives, and leading the efficient,healthy and orderly development of China’s fatty acid balancing industry in the field of feed industry.
