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Hybrid goose breeding method for producing fat goose liver

A breeding method, the technology of goose fat liver, applied in the fields of application, veterinary equipment, medical science, etc., can solve the problems of low egg production, low breeding rate of fine-bred geese, etc.

Inactive Publication Date: 2007-07-04
HENAN AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As early as the 1970s, Europe bred the world-renowned Lande goose and Rhine goose. The fat liver performance is more than 300 grams. The average weight of Lande goose fat liver can reach 750 grams, and the tallest individual can reach 1500-1800 grams. , but due to the low breeding rate of fine-bred geese and the small number of eggs laid, it is very difficult to expand reproduction
In addition, the quality of fatty liver is related to the germplasm. The fat liver of Lande goose is smaller than that of Toulouse goose, but the quality is slightly better; The weight of fatty liver of goose is smaller than that of Toulouse goose, but the quality is slightly better; the weight of fatty liver of Rhine geese is medium, and the quality of fatty liver is better; There is also the problem of low breeding rate and low number of eggs

Method used

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  • Hybrid goose breeding method for producing fat goose liver

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Effect test

Embodiment 1

[0017] The cultivation method of the present invention is as follows: use the Nanxi White Goose that has been bred with high egg production, high fertilization rate and hatching rate, good fat liver quality, and full and elastic liver body as the female parent. Toulouse geese with low rot rate, poor quality of fatty liver, soft texture but heavy fatty liver were used as male parents for crossbreeding, producing more eggs, higher fertilization rate and rotten rate, heavier fatty liver and lower quality. The improved first-generation Nantu goose hybrid F1; then use the first-generation Nantu goose hybrid F1 as the female parent to cross with the Langde gray goose male goose with heavier fatty liver and better texture but average egg production performance and fertilization rate to produce Egg laying, fertilization and hatching, fat liver weight and better texture of the second-generation Nanturang goose hybrid F2; then directly raise the second-generation Nanturang goose hybrid t...

Embodiment 2

[0019] The breeding method of this embodiment is: use the Nanxi White Goose after breeding as the female parent, which has high egg production, high fertilization rate and hatching rate, good fat liver quality, and full and elastic liver body. Toulouse geese with low fertilization rate, poor quality of fatty liver, soft texture but heavy fatty liver were used as male parents for crossbreeding, and produced more eggs, higher fertilization rate and rotten rate, heavier fatty liver and poor quality. The improved first-generation Nantu goose hybrid F1; then use the first-generation Nantu goose hybrid F1 as the female parent to cross with the Langde gray goose male goose with heavier fatty liver and better texture but average egg production performance and fertilization rate. Production of eggs, fertilization and hatching, fat liver weight and quality of the second generation of Nanturang goose hybrid F2; Finally, the second generation of Nanturang goose hybrid F2 was cross-fixed, a...

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Abstract

The invention involves a hybrid goose cultivation method which is used to producing goose fatty liver, it includes the following steps : (1) producing NanTu geese first hybrid F1 which lay more eggs, fertility rate and corrupt rate are high, fatty liver is heavier and quality is improved using the loosen and cultured NanXi White goose as female parent and the Toulouse geese as male parent; (2) cross-breeding the NanTu geese first hybrid F1 as female parent and the Lande Ash geese as male parent to producing the Nantu Lande geese second hybrid F2;(3) breeding the Nantu Lande geese second hybrid F2 to feeding weight, then filling fodder to producing fatty liver. The invention can improve breeding rate of hybrid geese, and performance of its production geese fatty liver is fine, enhance the adaptability and decrease elimination and mortality rate greatly.

Description

technical field [0001] The invention relates to a breeding method of goose, in particular to a breeding method of hybrid goose for producing goose fat liver. Background technique [0002] Foie gras, as a popular food in the world, is more and more popular among people, because the fat content of fatty liver after forced fattening is 7-12 times that of normal liver, and the unsaturated fatty acid contained in it is higher than that in animal oil. The fat lard is more than 11% higher. Fatty liver is rich in lecithin, triglyceride, ribonucleic acid, deoxyribonucleic acid, vitamins and other nutrients, which are essential nutrients for the human body. Unsaturated fatty acids can reduce blood in the human body. It can reduce the deposition of cholesterol substances on the blood vessel wall, reduce and delay the formation of further hardening of fat, and is beneficial to health and longevity. Therefore, it is known as the "king of green food in the world". Because the French ofte...

Claims

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Application Information

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IPC IPC(8): A61D19/00A01K45/00A01K67/00
Inventor 陈文黄艳群莫娟张君涛董晓莉姜义宝
Owner HENAN AGRICULTURAL UNIVERSITY
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