Feed capable of increasing DHA (docosahexaenoic acid) of eggs and reducing cholesterol content

Abstract

The invention relates to the technical field of feeds, in particular to a feed capable of increasing DHA of eggs and reducing cholesterol content. Green tea dust and schizochytrium limacinum powder are added into feed to feed laying hens so as to improve DHA of eggs and reduce cholesterol content, and the feed is composed of complete feed and feed additives. The feed additive is composed of green tea dust and schizochytrium limacinum powder. According to the feed capable of increasing DHA of eggs and reducing cholesterol content provided by the invention, the green tea dust and schizochytrium limacinum powder are added into the complete feed to form a novel mixed feed, and laying hens are fed with the novel mixed feed, so that the DHA of eggs laid by the laying hens can be increased, and the cholesterol content of the eggs can be reduced.

Description

Technical Field

[0001] The invention relates to the technical field of feed, in particular to a feed capable of increasing DHA content in eggs and reducing cholesterol content. Background Art

[0002] As people's living standards improve, they have higher and higher requirements for food safety. The development of livestock products also requires good quality, excellent taste, and good health. Eggs are not only rich in nutrients, but also have a reasonable balance of nutrients and high biological value. However, people are worried that the high cholesterol content in egg yolks will affect the health of middle-aged and elderly people and patients with high cholesterol. A high cholesterol diet is closely related to atherosclerosis. Therefore, reducing the cholesterol content in eggs has certain practical significance.

[0003] To this end, a feed which increases the DHA content of eggs and reduces the cholesterol content is designed to provide another technical solution to the above technical problem. Summary of the invention

[0004] Based on this, it is necessary to provide a feed that increases the DHA content of eggs and reduces the cholesterol content in order to solve the technical problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] Application of green tea powder and Schizochytrium officinale powder in increasing DHA and reducing cholesterol content in eggs.

[0007] The application method is to add the green tea powder and Schizochytrium powder into feed to feed laying hens.

[0008] A feed for increasing DHA content in eggs and reducing cholesterol content, the feed consisting of complete feed and feed additives;

[0009] The feed additive consists of green tea powder and Schizochytrium powder.

[0010] As a preferred embodiment of the feed for increasing DHA content in eggs and reducing cholesterol content provided by the present invention, the feed additive consists of 0-2 parts of green tea powder and 0-2 parts of Schizochytrium powder.

[0011] As a preferred embodiment of the feed for increasing DHA content in eggs and reducing cholesterol content provided by the present invention, the complete feed consists of premix, corn, soybean meal, stone chips and soybean oil.

[0012] As a preferred embodiment of the feed for increasing DHA content in eggs and reducing cholesterol provided by the present invention, the complete feed consists of 5% premix, 65% corn, 23% soybean meal, 6% stone chips and 1% soybean oil.

[0013] As a preferred embodiment of the feed for increasing egg DHA and reducing cholesterol content provided by the present invention, the premix is ​​composed of a carrier and an additive;

[0014] The carrier is composed of zeolite powder and rice husk powder;

[0015] The additives are composed of vitamin A, vitamin D3, vitamin E, vitamin K3, vitamin B1, vitamin B2, vitamin B6, vitamin B12, niacin, calcium pantothenate, folic acid, biotin, choline chloride, manganese sulfate, copper sulfate, zinc sulfate, ferrous sulfate, calcium iodate, sodium selenite, stone powder, calcium hydrogen phosphate, sodium chloride and lysine.

[0016] It can be seen without a doubt that the above-mentioned technical solution of the present application can definitely solve the technical problem to be solved by the present application.

[0017] At the same time, through the above technical solutions, the present invention has at least the following beneficial effects:

[0018] The present invention provides a feed for increasing DHA content and reducing cholesterol content in eggs. The feed is prepared by adding green tea powder and Schizochytrium powder to complete feed to form a new mixed feed, and the new mixed feed is fed to laying hens, so that the eggs produced by the laying hens can increase DHA content and reduce cholesterol content. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0020] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention are clearly and completely described below.

[0021] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0022] Embodiment 1:

[0023] A feed for increasing DHA content in eggs and reducing cholesterol content:

[0024] Including complete feed and feed additives;

[0025] The feed additive consists of green tea powder and Schizochytrium powder;

[0026] The complete feed consists of premix, corn, soybean meal, rock dust and soybean oil;

[0027] Premixes consist of carriers and additives;

[0028] The carrier is composed of zeolite powder and rice husk powder;

[0029] The additives include vitamin A, vitamin D3, vitamin E, vitamin K3, vitamin B1, vitamin B2, vitamin B6, vitamin B12, niacin, calcium pantothenate, folic acid, biotin, choline chloride, manganese sulfate, copper sulfate, zinc sulfate, ferrous sulfate, calcium iodate, sodium selenite, stone powder, calcium hydrogen phosphate, sodium chloride and lysine.

[0030] Embodiment 2:

[0031] A feed for increasing DHA content in eggs and reducing cholesterol content:

[0032] The feed consists of 2-7 parts of complete feed and 2-7 parts of feed additives;

[0033] Preferably, the feed consists of 2 parts of complete feed and 7 parts of feed additives;

[0034] Preferably, the feed consists of 3 parts of complete feed and 3 parts of feed additives;

[0035] Preferably, the feed consists of 7 parts of complete feed and 2 parts of feed additives;

[0036] The feed additive consists of 0-2 parts of green tea powder and 0-2 parts of Schizochytrium powder;

[0037] Preferably, the feed additive consists of 0 parts of green tea powder and 2 parts of Schizochytrium powder;

[0038] Preferably, the feed additive consists of 1 part of green tea powder and 1 part of Schizochytrium powder;

[0039] Preferably, the feed additive consists of 2 parts of green tea powder and 0 parts of Schizochytrium powder;

[0040] The complete feed consists of 5% premix, 65% corn, 23% soybean meal, 6% stone chips and 1% soybean oil;

[0041] The premix consists of 5-10 parts of carrier and 5-10 parts of additive;

[0042] Preferably, the premix consists of 5 parts of carrier and 10 parts of additive;

[0043] Preferably, the premix consists of 7 parts of carrier and 7 parts of additive;

[0044] Preferably, the premix consists of 10 parts of carrier and 5 parts of additive;

[0045] The carrier is composed of 3 parts of zeolite powder and 3 parts of rice husk powder;

[0046] The additives consist of vitamin A, vitamin D3, vitamin E, vitamin K3, vitamin B1, vitamin B2, vitamin B6, vitamin B12, niacin, calcium pantothenate, folic acid, biotin, choline chloride, manganese sulfate, copper sulfate, zinc sulfate, ferrous sulfate, calcium iodate, sodium selenite, stone powder, calcium hydrogen phosphate, sodium chloride and lysine.

[0047] In this embodiment, the premix is ​​an existing feed, which is used as a basic feed additive.

[0048] Embodiment 3

[0049] The feed obtained in Example 1 was applied to laying hens.

[0050] Manage laying hens and conduct egg testing.

[0051] ① Free-range chicken breeding and management

[0052] 396 21-week-old native chickens with the same body weight and similar egg production rate were selected and randomly divided into 11 treatment groups (using corn and soybean meal-based diets, feed additives and addition amounts are shown in Table 1), with 6 replicates in each group. Each replicate had 12 native chickens. Pre-feeding was carried out for one week, and the formal experiment lasted for 6 weeks. During this period, feed was added once at 8:00 in the morning and 16:00 in the afternoon to ensure that the native chickens could eat and drink freely during the experiment.

[0053] Table 1: Comparison table

[0054] Treatment Group Green tea powder Schizochytrium powder 1 0.5 0 2 1 0 3 1.5 0 4 2 0 5 0 0.5 6 0 1 7 0 1.5 8 0 2 9 1 0.5 10 1 1 11 0 0

[0055] ② Determination of egg quality

[0056] The collected eggs were weighed on a balance to measure the egg weight, yolk weight, egg white weight and eggshell weight respectively; the major and minor axes of the eggs were measured with a vernier caliper and the egg shape index and eggshell thickness were determined; the egg white height was determined with an egg white height meter and the Haugh unit was calculated; the yolk color was determined with a Roche yolk colorimetric fan; the eggshell color was determined with an eggshell color meter; and the eggshell hardness was determined with an eggshell strength meter.

[0057] ③ Determination of cholesterol and triglycerides

[0058] Refer to the "direct chemical colorimetric method for determination of egg yolk cholesterol" and directly use the determination kit for detection.

[0059] ④Determination of unsaturated fatty acids

[0060] The enrichment levels of DHA and EPA were determined according to the method of GB 5009.168-2016.

[0061] Fatty acid concentration detection, as shown in Table 2:

[0062] Table 2: Comparison of fatty acid concentrations after 6 weeks of experiment

[0063]

[0064] The test results of total cholesterol index of egg yolk are shown in Table 3:

[0065] Table 3: Cholesterol index detection comparison table

[0066]

[0067] The egg quality measurement data, refer to Table 4, are as follows:

[0068] Table 4: Quality measurement registration form

[0069]

[0070]

[0071]

[0072]

[0073] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. Application of green tea powder and Schizochytrium truncatum powder in increasing DHA content and reducing cholesterol content in eggs.

2. The use according to claim 1, characterized in that: The application method is to add the green tea powder and Schizochytrium powder into feed to feed laying hens.

3. A feed for increasing egg DHA and reducing cholesterol content, characterized in that: The feed consists of complete feed and feed additives; The feed additive consists of green tea powder and Schizochytrium powder.

4. A feed for increasing egg DHA and reducing cholesterol content according to claim 3, characterized in that: The feed additive consists of 0-2 parts of green tea powder and 0-2 parts of Schizochytrium powder.

5. A feed for increasing egg DHA and reducing cholesterol content according to claim 3, characterized in that: The complete feed consists of premix, corn, soybean meal, stone chips and soybean oil.

6. A feed for increasing egg DHA and reducing cholesterol content according to claim 5, characterized in that: The complete feed consists of 5% premix, 65% corn, 23% soybean meal, 6% stone chips and 1% soybean oil.

7. A feed for increasing egg DHA and reducing cholesterol content according to claim 6, characterized in that: The premix consists of a carrier and an additive; The carrier is composed of zeolite powder and rice husk powder; The additives are composed of vitamin A, vitamin D3, vitamin E, vitamin K3, vitamin B1, vitamin B2, vitamin B6, vitamin B12, niacin, calcium pantothenate, folic acid, biotin, choline chloride, manganese sulfate, copper sulfate, zinc sulfate, ferrous sulfate, calcium iodate, sodium selenite, stone powder, calcium hydrogen phosphate, sodium chloride and lysine.

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