The rearing period is the period from the brooding stage to the beginning of egg production, also called the back-up stage. The purpose and requirement of the rearing and management during the breeding period is to cultivate the chicks into excellent and efficient egg production species with strong physique, appropriate body weight, timely production, rapid egg production peak, and large eggs and large eggs.
Selection of species of crickets 1. Healthy crickets of about 80 days old; male and female fleas weighed 350 grams and 400 grams each, and had a moderate body weight;
2, uniform appearance, good feather growth, normal feet and sternum, back flat, chest width;
3, normal posture, flexible action, eyes round big God, short and slightly bent.
According to the conditions of the best choice, according to the appearance of the characteristics of the male or female method of recognizing the male and female and separate feeding, and according to 1:2 ratio of male and female.
Breeding during the rearing period 1. Reasons for restricting rearing during the rearing period 鹧鸪 The fastest growing stage is between 70 and 120 days of age. If the breeding is not limited, not only the feed is consumed but also the body weight is too large and the sexual maturity is early. The proportion of small eggs produced is large, and it takes a long time to reach the standard egg weight; the peak of egg production is not high, and it is not long-lasting; it may also cause dystocia, resulting in decreased egg production; it will also reduce reproductive function and reduce the fertilization rate. The correct restriction of rearing can not only increase the egg production but also save feed, which is the key to the success or failure of breeding.
2, the method of limiting the feeding because of aggressive wild, easy to produce fleas, so the way to limit the best way to limit the quality of feed to allow them to freely eat, reduce the production of maggots. Generally, low-energy and low-protein feeds are used for feeding; the nutrient level of the feed during the growth period is 2700-2750 kcal per kilogram of metabolizable energy and 145-15% of crude protein, but the amino acids must be kept in balance, in addition to adequate supply of minerals. Substances and vitamins. Changes in feed during the first week of feed restriction should be gradual in order to avoid major stress. Breeding restricted breeding reference weight see schedule.
3. Limiting the time for feeding restrictions The length of feeding and the degree of restrictions are mainly determined by body weight.鹧鸪 Limit the time of feeding from 12 weeks to 29 weeks.
4. Restrictions on the feeding process 1 Always check, if any growth and development are unsatisfied, and the constitution is thin, take it out and stop feeding. 2 Sampling is important and representative. Do not just call a cage. Weighing time must be the same each time. 3 If any disease or strong stress occurs during the breeding period, stop the rearing, and resume.
In the rearing period of the rearing period, the viability of the cockroaches is stronger than that of the young cockroach. However, for the growth and development of cockroaches, they can be neat and consistent. The difference between the average body weight and the standard body weight does not exceed 30 g. It reduces deaths and reaches sexual maturity on time. It must also be strengthened. management.
1. Appropriate grouping, gradual reduction of stocking density, size keeping separately, increase with age, pupa grow up, timely adjustment of stocking density, strong and weak grouping; ensure that there is adequate room for activity and promote normal growth of earthworms. With activities, the phenomena of mutual encounter and fighting are reduced, growth and development are consistent, and physical fitness is enhanced. The appropriate stocking density for the rearing period of cage breeding is from 11 to 17 weeks old, 35 for pupa, 40 for pupa, 25 for 18 to 24 weeks old, 35 for pupa, and 25 to 29 weeks old. The number is 20 and the number is 30.
2. Timely elimination of inadequacies that are unsuitable for the retention of crops will eliminate those that have been out of growth and development, or do not comply with the requirements for retaining seed, at the beginning of the restricted breeding period; All kinds of timely elimination. Before the start of production, we will conduct another selection and elimination to eliminate outbreaks of stunting, malformation, poor performance of secondary sexual characteristics, and premature egg production.
3. Transfer to the egg-laying house in a timely manner. After cultivating in the temporary production, the egg-laying house should be transferred to the egg-laying house in time so that the cockroaches have enough time to adapt to and become familiar with the new environment. Don’t start the egg production process. Only transfer. In principle, it will be transferred to the egg-laying house two to four weeks before the laying of eggs, and at the same time, it will be ready for feeding during the laying period.
4. Adhere to the epidemic prevention work of sanitation and epidemic prevention and disinfection work well, and it is also an important measure to guarantee the success of cultivation, and we must adhere to the principle of prevention. Before the start of production, the vaccinations for newcastle disease vaccines, infectious rhinitis vaccines, and mycoplasma vaccines should be prepared.
5, light management light and quail feed, drinking water, activities have a great relationship. The principle of lighting management is to ensure that the normal development of the cockroach reaches the goal of timely production. The results of the feeding experiment proved that the color of the light is preferably red and white. The principle of controlling the illumination of the intensive indoor rearing and rearing is as follows: (1) The shading method is adopted. The practice is to use blackout cloth to block the light entering the doors and windows every evening during the afternoon, and not to turn on the lights at night; and to put away the blackout cloths at work the next morning. 2 Use natural lighting. This method is suitable for the pheasant group that starts brooding from the autumn equinox to the winter solstice. 3 The intensity of light should not be too strong, so as not to cause blemishes or direct exposure to fleas.
6, repairs before entering the egg cage, should check the growth of the pupa. If it is too long, prone to bumps, breaks, or shedding, which may affect eating, it should be corrected in time.
7, do a good job in the prevention and control of rodent and animal pests work timid, easy to be scared, if you flee into rats or other animals, will cause a great deal of stress; Therefore, we should seriously prevent rodent and animal damage, reduce loss.
Selection of species of crickets 1. Healthy crickets of about 80 days old; male and female fleas weighed 350 grams and 400 grams each, and had a moderate body weight;
2, uniform appearance, good feather growth, normal feet and sternum, back flat, chest width;
3, normal posture, flexible action, eyes round big God, short and slightly bent.
According to the conditions of the best choice, according to the appearance of the characteristics of the male or female method of recognizing the male and female and separate feeding, and according to 1:2 ratio of male and female.
Breeding during the rearing period 1. Reasons for restricting rearing during the rearing period 鹧鸪 The fastest growing stage is between 70 and 120 days of age. If the breeding is not limited, not only the feed is consumed but also the body weight is too large and the sexual maturity is early. The proportion of small eggs produced is large, and it takes a long time to reach the standard egg weight; the peak of egg production is not high, and it is not long-lasting; it may also cause dystocia, resulting in decreased egg production; it will also reduce reproductive function and reduce the fertilization rate. The correct restriction of rearing can not only increase the egg production but also save feed, which is the key to the success or failure of breeding.
2, the method of limiting the feeding because of aggressive wild, easy to produce fleas, so the way to limit the best way to limit the quality of feed to allow them to freely eat, reduce the production of maggots. Generally, low-energy and low-protein feeds are used for feeding; the nutrient level of the feed during the growth period is 2700-2750 kcal per kilogram of metabolizable energy and 145-15% of crude protein, but the amino acids must be kept in balance, in addition to adequate supply of minerals. Substances and vitamins. Changes in feed during the first week of feed restriction should be gradual in order to avoid major stress. Breeding restricted breeding reference weight see schedule.
3. Limiting the time for feeding restrictions The length of feeding and the degree of restrictions are mainly determined by body weight.鹧鸪 Limit the time of feeding from 12 weeks to 29 weeks.
4. Restrictions on the feeding process 1 Always check, if any growth and development are unsatisfied, and the constitution is thin, take it out and stop feeding. 2 Sampling is important and representative. Do not just call a cage. Weighing time must be the same each time. 3 If any disease or strong stress occurs during the breeding period, stop the rearing, and resume.
In the rearing period of the rearing period, the viability of the cockroaches is stronger than that of the young cockroach. However, for the growth and development of cockroaches, they can be neat and consistent. The difference between the average body weight and the standard body weight does not exceed 30 g. It reduces deaths and reaches sexual maturity on time. It must also be strengthened. management.
1. Appropriate grouping, gradual reduction of stocking density, size keeping separately, increase with age, pupa grow up, timely adjustment of stocking density, strong and weak grouping; ensure that there is adequate room for activity and promote normal growth of earthworms. With activities, the phenomena of mutual encounter and fighting are reduced, growth and development are consistent, and physical fitness is enhanced. The appropriate stocking density for the rearing period of cage breeding is from 11 to 17 weeks old, 35 for pupa, 40 for pupa, 25 for 18 to 24 weeks old, 35 for pupa, and 25 to 29 weeks old. The number is 20 and the number is 30.
2. Timely elimination of inadequacies that are unsuitable for the retention of crops will eliminate those that have been out of growth and development, or do not comply with the requirements for retaining seed, at the beginning of the restricted breeding period; All kinds of timely elimination. Before the start of production, we will conduct another selection and elimination to eliminate outbreaks of stunting, malformation, poor performance of secondary sexual characteristics, and premature egg production.
3. Transfer to the egg-laying house in a timely manner. After cultivating in the temporary production, the egg-laying house should be transferred to the egg-laying house in time so that the cockroaches have enough time to adapt to and become familiar with the new environment. Don’t start the egg production process. Only transfer. In principle, it will be transferred to the egg-laying house two to four weeks before the laying of eggs, and at the same time, it will be ready for feeding during the laying period.
4. Adhere to the epidemic prevention work of sanitation and epidemic prevention and disinfection work well, and it is also an important measure to guarantee the success of cultivation, and we must adhere to the principle of prevention. Before the start of production, the vaccinations for newcastle disease vaccines, infectious rhinitis vaccines, and mycoplasma vaccines should be prepared.
5, light management light and quail feed, drinking water, activities have a great relationship. The principle of lighting management is to ensure that the normal development of the cockroach reaches the goal of timely production. The results of the feeding experiment proved that the color of the light is preferably red and white. The principle of controlling the illumination of the intensive indoor rearing and rearing is as follows: (1) The shading method is adopted. The practice is to use blackout cloth to block the light entering the doors and windows every evening during the afternoon, and not to turn on the lights at night; and to put away the blackout cloths at work the next morning. 2 Use natural lighting. This method is suitable for the pheasant group that starts brooding from the autumn equinox to the winter solstice. 3 The intensity of light should not be too strong, so as not to cause blemishes or direct exposure to fleas.
6, repairs before entering the egg cage, should check the growth of the pupa. If it is too long, prone to bumps, breaks, or shedding, which may affect eating, it should be corrected in time.
7, do a good job in the prevention and control of rodent and animal pests work timid, easy to be scared, if you flee into rats or other animals, will cause a great deal of stress; Therefore, we should seriously prevent rodent and animal damage, reduce loss.
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