CN105232572B - A kind of drinking water for improving the estrus rate of weaned sows and its application - Google Patents

Abstract

The invention discloses a drinking water solution for improving the estrus rate of weaned sows and its application. Each L of the aqueous solution respectively contains 20-40 g of lysine, 10-20 g of methionine, 4-10 g of tryptophan, and 10-20 g of threonine. , Valine 10～20g, 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. The above-mentioned amino acids and vitamins are all selected from food-grade solutions and prepared according to scientific methods. The product of the invention has high safety, and the daily intake of 30-50ML for weaned sows can significantly increase the post-weaning estrus rate, reduce the empty pregnancy period of the sows, and improve the conception rate.

Description

A kind of drinking water for improving the 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 water solution for improving the estrus rate of weaned sows and its application.

Background technique

The ratio of estrus delay or failure of weaned sows in actual production is as high as 30%, which not only increases the culling rate of sows, but also directly affects the lifetime reproductive performance of sows. Poor management of large-scale pig farms, disease pressure, and nutritional imbalance are the key factors that lead to the lack of blood insulin-like growth factor 1 secretion in weaned sows and lead to estrus delay or estrus failure.

Patent 201110039174.5 discloses a compound feed for aphrodisiac supplementation for sows after weaning, which is mainly composed of wheat bran 20-40%, corn 25-35%, corn bran 5-15%, corn DDGS 5-5%, glucose 0-15% , 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 element 0.2～0.6%, compound vitamin 0.3-0.4% mixed and pulverized, the particle size is less than 1mm. The present invention is applied to the feeding of sows after weaning, which can effectively shorten the days from weaning to estrus, increase the feed intake of weaned sows, and promote the 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 for sows after weaning, which includes the following components according to the weight ratio: 15-18 parts of Epimedium; 10-15 parts of Angelica; 10-20 parts of raw Astragalus; 3-5 copies without leaving the line, 8-10 copies of Tongcao; 5-8 copies of Motherwort; 7-10 copies of Dodder; 10-15 copies of Cyperus officinalis; The invention is suitable for delayed estrus, no estrus and lack of estrus after weaning of sows, that is, the symptoms that multiparous sows do not have estrus signs for a long time after piglets are weaned. The efficiency of aphrodisiac to postpartum sows is 96.8%, and the effective rate is 99.5%. Improved sow ovulation number and sow utilization.

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

SUMMARY 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 as the target, 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 , in order to create a nutritious 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 adopted by the present invention is:

The drinking water solution 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 respectively in each L of the aqueous solution. 20g, 10-15g histidine, 10-20g arginine, 20-40g glycine, 5-10g histidine, _20-40g glutamic _acid , 5-15g vitamin B1, 5-15g vitamin B2, vitamin B ₁₂ 5～10g.

As one of the preferred technical solutions: each 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 B1 _15g , vitamin B2 15g, vitamin _B12 10g.

As the second preferred technical solution: each 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 B1 _15g , vitamin B2 15g, vitamin _B12 10g.

The aqueous solution is secondary 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 water solution 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 improve the embryonic development ability, and can ensure that the 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 present invention can promote the physical recovery of weaned sows, regulate reproductive physiology, and promote follicle development to 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 the sows, and improve the conception rate.

Detailed ways

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

Implementation case one:

According to the preparation ratio of the components (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 B1 _15g , vitamin B2 15g, vitamin _B12 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. Weaned sows in the control group ingested 30ML of blank distilled water every day, and weaned sows in the treatment group ingested 30ML of the drinking water of the present invention every day. The test started immediately after weaning. The quiescent reflex is a typical estrus characteristic. Weaned sows were bred immediately after estrus to further investigate the conception rate. The study found that the proportion of sows in estrus at 7 days after weaning in the control group was 83.0%, while the proportion of sows in the treatment group at 7 days after weaning was 95.0%. The estrus interval of sows in the control group after weaning was 7.6 days, while the interval between estrus of sows in the treatment group was 5.4 days. Further investigation of the conception rate data found that the conception rate of sows in the treatment group was as high as 95.0%, which was 79.0% higher than that in the control group. It can be seen from the above test data that feeding the drinking water containing the present invention can significantly improve the estrus rate after weaning of sows, and improve the conception rate.

Implementation case two:

According to the preparation ratio of the components (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 B1 _15g , vitamin B2 15g, vitamin _B12 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 equally distributed to two treatment groups according to body weight, with 100 sows in each treatment. The weaned sows of the control group ingested 25ML of blank distilled water every day, and the weaned sows of the treatment group ingested 25ML of the drinking water of the present invention every day. The test was started immediately after weaning. The quiescent reflex is a typical estrus characteristic. Weaned sows were bred immediately after estrus, and the conception rate and litter size were further investigated. The study found that the proportion of sows in estrus at 7 days after weaning in the control group was 73.0%, while the proportion of sows in the treatment group at 7 days after weaning was 86.0%. The sows in the control group had an estrus interval of 8.5 days after weaning, while the sows in the treatment group had an estrus interval of 6.9 days. Further investigation 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 that in the control group, which was 73.0%. By observing the litter size, it was found that the total number of piglets born in the control group was 10.8, while the total number of piglets born in the treatment group was 11.6. It can be seen from the above test data that the drinking water containing the present invention was fed. It can significantly increase the estrus rate of sows after weaning, improve the conception rate, and increase the number of litter.

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

Claims (5)

1. A drinking liquid for improving the oestrus rate of weaned sows, which is characterized in that: the drinking water comprises, by weight, 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, 78-15 g of vitamin B15, 25-15 g of vitamin B and 125-10 g of vitamin B in each L of water solution.

2. The drinking solution for increasing the estrus rate of weaning sows of claim 1 wherein: the drinking water comprises 40g of lysine, 15g of methionine, 8g of tryptophan, 20g of threonine, 20g of valine, 15g of histidine, 20g of arginine, 40g of glycine, 10g of histidine, 40g of glutamic acid, vitamin B115 g, vitamin B215 g and vitamin B1210 g in each L of water solution.

3. The drinking solution for increasing the estrus rate of weaning sows of claim 1 wherein: the water solution is secondary distilled water.

4. The drinking solution for increasing the estrus rate of weaning sows of claim 1 wherein: the amino acids and vitamins are selected from food grade.

5. Use of the drinking water of any one of claims 1-4 for the preparation of a product for increasing the oestrus rate of weaned sows.