CN105232572A - Drinking liquid for increasing estrus rate of weaning sows and application thereof - Google Patents

Abstract

The invention discloses drinking liquid for increasing estrus rate of weaning sows and application thereof. Each L of the drinking liquid contains 20-40 g of lysine, 10-20 g of methionine, 4-10 g of tryptophan, 10-20 g of threonine, 10-20 g of valine, 10-15 g of histidine, 10-20 g of arginine, 20-40 g of glycine, 5-10 g of histidine, 20-40 g of glutamic acid, 5-15 g of vitamin B1, 5-15 g of vitamin B2, and 5-10 g of vitamin B12. All the amino acids and vitamins are of food grade, and solution is obtained by preparing in a scientific way. The drinking liquid is high in safety; post-weaning estrus rate of the weaning sows feeding on 30-50 ML of the liquid each day can be increased significantly, false pregnancy period of the sows is decreased, and conception rate is increased.

Description

A kind of drinking liquid for improving estrus rate of weaned sows and its application

technical field

The invention relates to the technical field of animal health products, in particular to a drinking liquid for improving the estrus rate of weaned sows and an application thereof.

Background technique

Actual production of weaned sows has a delayed or failed estrus ratio of up to 30%, which not only increases the culling rate of sows, but also directly affects the lifelong reproductive performance of sows. Poor management of large-scale pig farms, disease pressure, and nutritional imbalance are the key factors that lead to insufficient secretion of insulin-like growth factor 1 in blood of weaned sows, which leads to delayed estrus or failure of estrus.

Patent 201110039174.5 discloses a post-weaning aphrodisiac supplementary feed for sows, mainly composed of 20-40% wheat bran, 25-35% corn, 5-15% corn bran, 5-5% corn DDGS, and 0-15% glucose , soybean meal 3-9%, stone powder 1-2%, calcium hydrogen phosphate 1-2%, corn oil 0-0.5%, salt 0.1-0.5%, amino acid 0.1-0.3%, compound trace elements 0.2-0.6%, multi-vitamin Prepared by mixing and pulverizing 0.3-0.4%, the particle size is less than 1mm. The present invention is applied to feeding sows after weaning, can effectively shorten the days from weaning to estrus of sows, increase the feed intake of weaned sows, and promote estrus of sows. The invention has great significance for improving the production efficiency of sows.

Patent 201210385482.8 discloses a traditional Chinese medicine oral liquid for aphrodisiac after weaning of sows, which includes the following components according to the weight ratio: Epimedium 15-18 parts; 3-5 parts of Bu Liu Xing, 8-10 parts of Tongcao; 5-8 parts of Motherwort; 7-10 parts of Cuscuta; 10-15 parts of Cyperus Cyperi; The present invention is suitable for delayed estrus, no estrus and lack of estrus in sows after weaning, that is, symptoms of sows not showing estrus for a long time after piglets are weaned. The apparent aphrodisiac rate for postpartum sows is 96.8%, and the effective rate is 99.5%. The number of ovulations of sows and the utilization rate of sows are improved.

The latest research shows that amino acids can stimulate the secretion of insulin-like growth factor 1 by the liver, promote the activity of the hypothalamus-pituitary-gonadal axis, benefit the development of ovaries and uterus, and increase the estrus rate of sows after weaning. Therefore, in combination with the above-mentioned research progress, the present invention adopts the compound nutrient solution of amino acid and vitamin with a special ratio, which will provide an important nutritional strategy for increasing the estrus rate of weaned sows in large-scale pig farms.

Contents of the invention

The purpose of the present invention is based on the latest research results of nutritional physiology, aiming at restoring the key factor of reproduction insulin-like growth factor 1, screening 10 kinds of amino acids and 3 kinds of vitamins, and formulating according to a certain proportion according to the reproductive physiological characteristics of weaned sows , to create a nutritional drinking water solution with independent intellectual property rights, and provide a nutritional solution for promoting the weaning-estrus rate of sows in large-scale pig farms.

The technical scheme that the present invention takes is:

The drinking liquid for improving the estrus rate of weaned sows of the present invention contains 20-40 g of lysine, 10-20 g of methionine, 4-10 g of tryptophan, 10-20 g of threonine, and 10-20 g of valine in each L of aqueous solution. 20g, histidine 10-15g, arginine 10-20g, glycine 20-40g, histidine 5-10g, glutamic acid 20-40g, vitamin B ₁ 5-15g, vitamin B ₂ 5-15g, vitamin B ₁₂ 5~10g.

As one of the preferred technical solutions: every L aqueous solution contains 40g of lysine, 15g of methionine, 8g of tryptophan, 20g of threonine, 20g of valine, 15g of histidine, 20g of arginine, 40g of glycine, Histidine 10g, glutamic acid 40g, vitamin B ₁ 15g, vitamin B ₂ 15g, vitamin B ₁₂ 10g.

As preferred technical scheme two: every L aqueous solution contains 40g of lysine, 15g of methionine, 8g of tryptophan, 20g of threonine, 20g of valine, 15g of histidine, 20g of arginine, 40g of glycine, Histidine 10g, glutamic acid 40g, vitamin B ₁ 15g, vitamin B ₂ 15g, vitamin B ₁₂ 10g.

The aqueous solution is twice distilled water.

The amino acids and vitamins are all selected from food grade, and the purity requirements of the amino acids and vitamins are higher than 99.0%.

The drinking liquid of the present invention can be used to improve the estrus rate of weaned sows. The daily intake of weaned sows is 30-50ML.

The positive effects of the present invention are as follows:

1) The drinking water for improving the estrus rate of weaned sows of the present invention has 9 kinds of essential amino acids required by the body and semi-essential amino acids that can improve embryonic development, and can ensure that sows recover quickly after weaning;

2) The three vitamins can significantly improve the energy metabolism of sows, and have a very positive effect on improving the quality of oocytes and the development of follicles.

Therefore, the product of the invention can promote the physical recovery of weaned sows, regulate reproductive physiology, promote follicular development and provide a nutritional basis.

The product of the invention has high safety, and the daily intake of 30-50ML for weaned sows can significantly increase the estrus rate after weaning, reduce the empty pregnancy period of sows, and improve the conception rate.

detailed description

The following examples are further detailed descriptions of the present invention.

Implementation case one:

The preparation ratio according to the components is (content per liter of solution): 40g of lysine, 15g of methionine, 8g of tryptophan, 20g of threonine, 20g of valine, 15g of histidine, 20g of arginine, 40g of glycine, Histidine 10g, glutamic acid 40g, vitamin B ₁ 15g, vitamin B ₂ 15g, vitamin B ₁₂ 10g.

The above components were dissolved in 1000ML distilled water, and a feeding test was carried out in a large-scale breeding enterprise in Sichuan. In the experiment, 200 LY weaned sows with parity 3-5 were selected, and they were equally divided into two treatment groups according to body weight, with 100 sows in each treatment group. The weaned sows in the control group ingested 30ML of blank distilled water every day, and the weaned sows in the treatment group ingested 30ML of the drinking water of the present invention every day. The test began immediately after weaning, and the sows were identified for estrus, so that the vulva was red and swollen and mucus flowed out. , Standing reflex is a typical estrous feature. Immediately after estrus, the weaned sows were bred to further examine the conception rate. The study found that the proportion of sows in the control group that were in estrus at 7 days after weaning was 83.0%, while the proportion of sows in the treatment group that were in estrus at 7 days after weaning was 95.0%. The interval between estrus after weaning for control sows was 7.6 days, while that for treatment group sows was 5.4 days. Further inspection of the conception rate data found that the conception rate of sows in the treatment group was as high as 95.0%, which was higher than the conception rate of 79.0% in the control group. It can be seen from the above test data that feeding the drinking water containing the present invention can significantly increase the estrus rate of sows after weaning and increase the conception rate.

Implementation case two:

The preparation ratio according to the components is (content per liter of solution): 40g of lysine, 15g of methionine, 8g of tryptophan, 20g of threonine, 20g of valine, 15g of histidine, 20g of arginine, 40g of glycine, Histidine 10g, glutamic acid 40g, vitamin B ₁ 15g, vitamin B ₂ 15g, vitamin B ₁₂ 10g.

The above components were dissolved in 1000ML distilled water, and a feeding test was carried out in a large-scale breeding enterprise in Guangxi. In the experiment, 200 LY weaned sows with parity 1-2 were selected, and were equally distributed to two treatment groups according to body weight, with 100 sows in each treatment group. The weaned sows in the control group ingested 25ML blank distilled water every day, and the weaned sows in the treatment group ingested 25ML of the drinking water solution of the present invention every day. The test began immediately after weaning, and the sows were identified for estrus, so that the vulva was red and swollen and mucus flowed out. , Standing reflex is a typical estrous feature. Immediately after estrus, the weaned sows were bred, and the conception rate and litter size were further investigated. The study found that the proportion of sows in the control group that were in estrus at 7 days after weaning was 73.0%, while the proportion of sows in the treatment group that were in estrus at 7 days after weaning was 86.0%. The interval between estrus after weaning was 8.5 days for control sows, and 6.9 days for treatment group sows. Further inspection of the conception rate data found that the conception rate of sows in the treatment group was as high as 88.0%, which was higher than the conception rate of the control group at 73.0%. By observing litter size, it is found that the subsequent total litter size of sows in the control group is 10.8, and the subsequent total litter size of sows in the treatment group is 11.6. As can be seen from the above-mentioned test data, feeding containing drinking liquid of the present invention It can significantly increase the estrus rate of sows after weaning, improve the conception rate, and increase the litter size.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (7)

1. improve a drinking-water liquid for wean oestrus of sow rate, it is characterized in that: respectively containing lysine 20 ~ 40g, methionine 10 ~ 20g, tryptophan 4 ~ 10g, threonine 10 ~ 20g, valine 10 ~ 20g, histidine 10 ~ 15g, arginine 10 ~ 20g, glycine 20 ~ 40g, histidine 5 ~ 10g, glutamic acid 20 ~ 40g, vitamin B in every L aqueous solution ₁5 ~ 15g, vitamin B ₂5 ~ 15g, vitamin B ₁₂5 ~ 10g.

2. the drinking-water liquid improving wean oestrus of sow rate as claimed in claim 1, is characterized in that: respectively containing lysine 40g, methionine 15g, tryptophan 8g, threonine 20g, valine 20g, histidine 15g, arginase 12 0g, glycine 40g, histidine 10g, glutamic acid 40g, vitamin B in every L aqueous solution ₁15g, vitamin B ₂15g, vitamin B ₁₂10g.

3. the drinking-water liquid improving wean oestrus of sow rate as claimed in claim 1, is characterized in that: respectively containing lysine 40g, methionine 15g, tryptophan 8g, threonine 20g, valine 20g, histidine 15g, arginase 12 0g, glycine 40g, histidine 10g, glutamic acid 40g, vitamin B in every L aqueous solution ₁15g, vitamin B ₂15g, vitamin B ₁₂10g.

4. the drinking-water liquid improving wean oestrus of sow rate as claimed in claim 1, is characterized in that: described aqueous solution is redistilled water.

5. the drinking-water liquid improving wean oestrus of sow rate as claimed in claim 1, is characterized in that: described aminoacid and vitamin are all selected from food stage.

6. the drinking-water liquid as described in any one of claim 1-5 is for improving the application of wean oestrus of sow rate.

7. apply as claimed in claim 6, it is characterized in that: wean sow takes in 30-50ML every day.