You may have seen them in the zoo. The peculiar appearance attracts many eyes. It is a crowned crane. It is a rare ornamental bird. The crown crane, as the name implies, has crown feathers on its head and looks beautiful. How should the surprising birds be raised? We will take you into Guanhe's artificial breeding.
These charismatic birds are crown cranes. It has colored feathers resembling yellow crowns on top of the head and is known as a dancer wearing a yellow crown. Crowned cranes belong to the order Helicoptera, Crown, and Crowned Crane. They have different body feathers. They can be divided into two types: gray crowned cranes and black crowned cranes. They are mainly distributed in southern Africa and they inhabit swamps. Grasslands and wetlands. Introduced in the 1950s. Adult crown crane height up to 110-130 cm, weight 4-6 kg.
To breed crowned cranes, it is necessary to make plans for feeding and management, and to understand the previous feeding and development of crown cranes. Only in this way can we have an accurate starting point and correctly formulate a feeding and management plan for this period, which can visually reflect the feeding target and the actual production situation. Reserve crown cranes need to be transferred around the age of 18 weeks. 1 First of all, it is necessary to formulate a correct crown and crane group turnover plan and prepare to accept the reserve crown crane species. 2 Because of its own physiological changes, there is instability, and it is easy to induce severe stress reactions during the transition, and antibiotics, multidimensional anti-stress drugs should be used before transfer. 3 Crown cranes can be weighed when they are basketed, and they are divided into large, medium and small groups according to body weight. Crown cranes generally eat green feeds with a water content of 60 or more, and farmers can grow grasses, such as valerian and purple lilies. Green forage is rich in carotene and B vitamins, and contains some trace elements, and it has good palatability. It has a good effect on the growth, production, and maintenance of crown cranes. In the case of small-scale free-range crown cranes, the amount of green feed may account for 20 to 30 concentrates, which can be fed either raw or chopped or beaten and mixed into the feed. Large-scale crown-raised crown cranes can be used to dry and crush green feed. As a vitamin feed added to the feed, the amount can account for 5 to 10 of the diet. The control of body weight: 1 The pre-opening due to body maturation, the development of the reproductive system, and the need to pre-store some of the nutrients for the breeding season, the body weight gain rate increases, often at 110 g/only/week (depending on the variety). For example, the pre-capped crown cranes have better feeding restriction, and the body weight falls below the standard lower limit with a uniformity of 85 or more. By 20 weeks of age, the weight control should tend to be an upper limit, and the production performance is better, which can exceed the amount provided by the breeding company. Production indicators; such as after production, the egg production rate can exceed 3? 6 weeks. Due to the need for nutrient reserves, proper fat accumulation is important, but due to its extremely strong accumulation capacity and prone to over-fertilization, it is necessary to properly grasp this "slightly heavier" scale and to control body weight gain in a fairly coordinated manner.
In order to increase the production of crown cranes, farmers need to manage the light. According to the mechanism of illumination on the crown cranes, the light intensity reaches 3 W/m2, and the illumination hours are within the light sensitive time zone of the crown crane (11.18 h after the light), so that the secretion of hormones from the pituitary gland can be stimulated. Promote follicular development and increase the need for egg production. When the light is actually given, the open crown and crane promotion must determine the light hours to be filled according to the local sunshine hours at the time. Generally, the first major adjustment is made four weeks before the start of production. If there is insufficient sunshine, the light can be filled for 1 hour, and then The week is increased by 0.5-1h until the egg production peak 1 week before reaching 16?18h, after which the guarantee does not decrease. Before opening the breeding house, the breeding house must be set up. It can be made of wooden boxes, bricks or baskets, but it must be strong. The nest box must be set in the shade of the backlight, so that the interference of various external factors is less. The inside of the box is clean, comfortable and dry. Under normal circumstances, one nest box is provided for each of three female crown cranes.
Because the relative length of the crown cranes is longer, some immunization programs should be added. For Marek's disease and bird flu, for Marek's disease, because the disease is likely to occur after 2 months of age, it is recommended that high-quality crown cranes be vaccinated with Marek vaccine immediately after hatching. Bird flu has a lot of problems in poultry breeding. However, in order to reduce the risk, it is recommended that it be listed in the immunization program. Other immunization projects can be comprehensively considered according to the characteristics of regional diseases. In addition, we must also do a good job in isolation, sanitation and disinfection. According to the characteristics of the epidemic in this region, we must adopt the right methods for effective immunization and monitoring, and do a good job of prevention and control of epidemics.
There are two types of dietary fibre - soluble and insoluble - and sweet corn contains both.
According to the American Heart Association, dietary fibre as part of an overall healthy diet helps to lower blood cholesterol levels and may reduce the risk of heart disease. It is insoluble fibre that binds to cholesterol, preventing it from being absorbed into the bloodstream.
Insoluble fibre is responsible for promoting regularity and helping to prevent constipation by speeding up the passage of food and waste through the intestines and absorbing water to keep stools soft. Insoluble fibre has been shown to reduce the risk of haemorrhoids.
Fibre-containing foods such as sweet corn also help to provide a feeling of satiety and may therefore help to suppress appetite and aid weight management.
Dietary fibre has also been linked to a reduced risk of type 2 diabetes. A diet rich in fibre helps patients manage their disease.
Fibre is fermented by bacteria in the colon. Promising studies are underway to determine the health-promoting effects of fibre fermentation breakdown products, for example, short-chain fatty acids, which may help to maintain a healthy gut.
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