Feed liquid mildew preventive and application thereof

An antifungal agent and feed technology, applied in the field of feed additives, can solve the problems of limited mold control effect, achieve the effects of extending the shelf life of feed, inhibiting the production of mycotoxins, and improving the palatability of feed

Inactive Publication Date: 2018-01-16
YUNNAN AGRICULTURAL UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the effect of a single plant essential oil on the control of mold in feed is limited. Therefo

Method used

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  • Feed liquid mildew preventive and application thereof
  • Feed liquid mildew preventive and application thereof
  • Feed liquid mildew preventive and application thereof

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0018] Example 1 Three kinds of plant essential oils and the mold inhibition experiment of compound plant essential oils thereof

[0019] Weigh 5.0g of pellet feed, soak it in sterilized pure water for 5min, take it out and put it in a petri dish, then place the petri dish in an incubator at 28°C for 48 hours, after the surface of the pellet feed is covered with mold, wash it with 10mL sterile Elute the mold spores with normal saline, take 1mL of the eluate, place it in 100mL of PDA liquid medium, and incubate at 28°C for 48 hours as a spore suspension; make a PDA medium plate, pour the above spore suspension, and punch for later use; Inject 50 μL of clove essential oil, oregano essential oil, cinnamon essential oil, and a mixture of three plant essential oils (1:1:1) into the wells, and after incubation at 28°C for 48 hours, measure the size of the inhibition zone. Do not repeat 3 times, take the average. The results are shown in Table 1. The diameter of the fungal inhibitio...

example 2

[0022] Example 2 is the anti-mold effect of the feed liquid anti-mold agent with compound plant essential oil as active ingredient

[0023] Clove essential oil, oregano essential oil and cinnamon essential oil are uniformly mixed in a ratio of 1:1:1 to prepare a feed compound liquid antifungal agent. After the feed is granulated, use the post-spraying process and atomize with compressed air to evenly spray the above-mentioned feed liquid antifungal agent on the surface of the pelleted feed. The amount of antifungal agent added to the feed is 600.0mL / T. Feed sample 3.0kg. At the same time, 3.0 kg of feed samples that were not sprayed with plant essential oil were collected after pelleting and cooling. The extreme accelerated test is used to predict the shelf life of the feed, that is, the feed sample is stored under higher temperature and humidity conditions, and the moldy time of the feed is multiplied by 6 to predict the shelf life of the feed under conventional storage cond...

example 3

[0027] Example 3 feeding test

[0028] Select 20 three-way hybrid pigs (Duroc x Landrace x Yorkshire) at 21 days of age with similar body weight (average body weight 5.00kg), and randomly divide them into control group and experimental group, with 10 replicates in each group and 1 pig in each replicate pig. The control group was fed the basal diet, and the experimental group was fed the basal diet sprayed with compound plant essential oil liquid antifungal agent (600ml / T). The basal ration was a corn-soybean meal-based ration, which was prepared according to the nutritional requirement standard of NRC (1998) pigs. The experimental period was 20 days, with free access to food and water, weighing the initial weight and final weight of the piglets, recording the daily feed intake, and calculating the daily gain, daily feed intake, and feed-to-meat ratio. The results are shown in Table 3. Compared with the control group, the final weight, daily gain and daily feed intake increas...

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Abstract

The present invention belongs to the technical field of feed additives and particularly relates to a feed liquid mildew preventive and an application thereof. The feed liquid mildew preventive specifically comprises two or three of clove essential oil, origanum vulgare essential oil and cinnamon essential oil, the essential oils are uniformly mixed to prepare a feed compound liquid mildew preventive, after feeds are prepared into granules, the mildew preventive is evenly sprayed on surfaces of the granular feeds using a post-spraying technology and through a compressed air atomization, can effectively prevent mildew of the feeds, and extends a shelf life of the feeds. The feed liquid mildew preventive is suitable for feed productions of different sizes, has advantages of being safe and highly efficient, and has wide application prospects.

Description

technical field [0001] The invention relates to a feed liquid antifungal agent and its application, belonging to the technical field of feed additives. Background technique [0002] With the rapid development of my country's feed industry, feed products have been widely used in the breeding industry, which has played a major role in saving feeding costs, improving livestock and poultry production (length) performance, and increasing breeding economic benefits. However, during the storage, transportation, sale and use of feed, it is extremely susceptible to mold contamination and mildew. Mold grows and reproduces on the feed, which not only consumes the nutrients in the feed, reduces the nutrients in the feed, and reduces the feed remuneration, but also produces mycotoxins that will significantly reduce animal production performance, reproductive performance, and body immunity. In severe cases, it can cause animal According to investigations, moldy feed accounts for about 10...

Claims

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Application Information

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IPC IPC(8): A23K30/00A23L3/3472
Inventor 曹振辉赵智勇潘洪彬林秋叶汪思凡叶朋飞
Owner YUNNAN AGRICULTURAL UNIVERSITY
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