Changtu Goose is a famous small goose of Chinese white geese. It has many characteristics such as high production of eggs, rapid growth, good meat quality, and resistance to roughage. Among them, the egg production ranks the highest in the world and has the “Goose in the Airâ€. Said. The Changtu Expulsion Geese are smaller in size, about 30 centimeters in length, oval in shape, plumage and white feathers, and graceful posture. The head is smaller, and the sarcoma at the top of the head is apparently orange-yellow. The male goose is larger than the mother goose. Medium-sized eyes, triangular, eyes are not very flexible, iridescent blue-gray, in the top of the eyelids after the natural gap, so the name of geese. Flat, 7 cm long, 2.8 cm wide, orange. The neck is slender and arched forward. The neck is 27 cm long and the neck is about 10 cm. The chest is 10 centimeters deep, the chest is about 11 centimeters wide, the keel is about 17 centimeters long, the back is wide and straight, and it is strong and strong. The pelvis is about 11 centimeters wide and long. Both legs are strong and strong, the crickets are orange, and about 8 centimeters long. Male goose slightly larger, aggressive, loud and loud call, weight 4kg ~ 5kg; goose body shape is slightly smaller, weight 3.5kg ~ 4kg, tame temperament, cry and crisp, a small amount of the abdomen is not obvious Wrinkles, want to call "egg bag." The growth rate of the growth performance of the Changtu geese is fast. The birth weight is about 70 grams, the 21-day age is about 300 grams, the 30-day-old is about 800 grams, the 60-day-old is about 2700 grams, and the 70-day-old is about 3500 grams, after which the weight gain rapidly decreases, and the weight reaches 5 months. The highest point, some due to changes in feeding and management conditions, weight will decline. The feed-to-feed ratio of the feed concentrate is generally 1.5:1. Meat production performance Changtu Huge goose meat is better, rich in nutrition. Muscle fiber is coarse, moderate in fat content, low in cholesterol, up to 18% protein, and rich in lysine and histidine. After finishing the slaughter, the total net slaughter rate was 72%, and the semi-net slug rate was 81%. After processed into food, the color was bright and the meat flavor was beautiful. Egg production performance Chang's geese egg production performance ranks first in the world's geese species. Under an intensive rearing condition, about 120 eggs are produced each year, and individual individuals can reach 160 eggs. Under rough feed conditions, about 100 eggs are produced each year. Egg weight 105 grams to 137 grams, average weight 118 grams, egg white, egg-shaped oval, diameter 5.35 centimeters, longitudinal diameter 7.71 centimeters, egg shape index of 0.69, egg to material ratio of 3.2:1. Breeding performance Changtu hatching geese mature earlier, after hatching 6 months of age to 7 months of age began to lay eggs. Changtu County, Liaoning Province, the general conditions of laying more eggs in the beginning of 2 to March, 5 to June reached the peak egg production, if the feeding can also produce eggs in winter. About 70 eggs are used, the fertilization rate of eggs is about 85%, and the hatching rate of fertilized eggs is about 85%. A female goose can provide 50 goslings. The geese produced the most eggs in the 2nd and 3rd years and could effectively use 3 to 4 years. Male and female goose breeding ratio is 1:4 to 1:5, female geese are not nested, the survival rate of 28-day young goslings is 92%. Due to Changtu’s high egg production and strong resistance, Changtu is now widely used in crossbreeding ideal female parent varieties, and its crossbreeding effect is extremely significant. Fatty Liver Chang-cut geese due to the small size, fat liver effect is not ideal. Adult geese were fed for 3 weeks to 4 weeks. The average fatty liver yield was about 250 grams, and the highest was only 586 grams. Most of them used their hybrid methods to produce fatty liver. The down performance of Chang’s down performance suffocates goose body white hair, and the down quality is better. Live geese can be manually plucking and can pull twice a year. Each time 75 grams can be drawn, and the amount of cashmere is 30%. Live geese have good fluffiness, no stray hair, and less flying silk. They are very popular with down processors. Each slaughtered plucking animal can produce 140 grams of hair, producing about 60 grams of cashmere. The fattening geese before 120 days of age are low in flocking and short in fluff. The goose down quality after winter is the best and the value of utilization is extremely high.
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