Knowledge of Jilin White Geese
First, origin and distribution
Also known as the eye-pull goose. Is a small variety. It is one of the small varieties of white Chinese goose. Distributed in Changtu, Liaoning, Jilin Nong'an and Heilongjiang. People in the region believe that due to the immigrants from Shandong, this goose species may first come from Shandong Huoyan goose. The people in Changtu, Liaoning Province, continue to buy geese from other places, cross-breed with local geese, and gradually form Chang’e Huoyan goose. After 30 years of systematic breeding, its egg production performance and cashmere rate were further improved, and Jilin White Geese were gradually formed.
Second, appearance characteristics
The body is light and compact, with a semi-circular body, a wide back, a full and prominent chest, and an upright forequarters. The head is of medium size and has a smooth sarcoma on the forehead. Warts, sarcoma orange red. The neck is arched. Submandibular occasional pharyngeal bags. Feather white. The adult female goose has plump abdomen with occasional abdominal folds.胫 胫 胫 胫, 胫, 蹼 orange.
Third, the variety performance
1 Growth Speed ​​and Meat Production, Cashmere Production Average Body Weight: 74 g at birth; 287 g at 14 days; 1014 g at 28 days; 2545 g at 56 days; 3158 g at 84 days; 3,850 g of male goose; 3600 goslings Grams. The average half-grazing slaughter rate of adult male geese was 78.52%, 70.61% of goslings. Feather white, light and soft, high cashmere rate.
2 Egg Production Performance and Reproductive Performance The goslings have an average age of 225 days. The average annual production of 80 eggs, the average egg weight 125 grams. The second and third year of egg production peak, egg production season in February-June. The average egg shell thickness is 0.48 mm and the average egg shape index is 1.45. Male goose sexual maturity 210-240 days, male and female goose breeding ratio 1: (6-7). The average fertilization rate of eggs was 85%. The average hatching rate of fertilized eggs was 830, and the highest was 90%. Male geese use 2-3 years of age, mother geese 3-5 years.
For flower type operation lamp, it has two types of lamp head, one is big one, it has 64 LED bulbs which from Germany osram, another small one, it has 45 LED bulbs, also from Germany. the surgical lamps bulb can last long for 8 hours, that is one of the reasons which our surgical lamp has low maintainance rate. for Double Dome Surgical Lamp, can constituted by one big+one big lamp head, one big+one smal lamp head and one small+ one small lamp head, it can be choosed depends on users' requirment;
the flowet type OT lamp has functions of Bright and Uniform illumination; Outstanding color temperature control performance; Supramaximal effective light field;Electric focusing system;
Double Dome Flower Ot Lamp,Double Dome Ot Lamp,Double Dome Operation Lamp,Double Dome Surgery Light
Shandong Lewin Medical Equipment Co., Ltd. , https://www.operatinglight.nl