Technical Control | How to crack the strange circle frequent in pig field disease? (1) – Pigtocks – China Animal Husbandry Website – A useful animal husbandry website
Source: Beijing Six Ma Raise Pig Technology Co., Ltd. Pig Professional Manager, WeChat ID: YZZYJLR2016
For the reduction of pig farm disease, there have been many production in history. Model, such as the early weaned milk, preservation pigs, multi-point production, etc., and these production models have certain effects on improving the level of wear pigs and sows in the production level of sows, but the effect is not the most ideal. In the actual production, people often divide the pig groups according to the growth conditions, which increases the contact opportunities of the pigs, and the infection of the pig will spread the disease to other susceptible pigs, causing a wide range of diseases, and The speed is very fast (SIR theory). In theory, any method of reducing contact opportunities should be able to slow down the dissemination of the disease, such as reducing the number of turning pigs. Therefore, in actual production, we must consider how to reduce the probability of disease spread by reducing the number of pigs. Three-week batch production is an effective measure in the current solving health problem.
One, three-week batch production mode
Three-week batch production, it is not a new concept, it originated from the UK, and later prevailed in Europe. Three-week batch production belongs to a batch production. It is relative to traditional Zhoubi production. Every three weeks are delivered every three weeks, and the sows can be divided into seven according to the production cycle of sows. Group (A ~ G group), and then take turns to produce (see Figure 1 of the production plan). The production system is mainly based on the physiological characteristics of the sow, namely the sows returned to the next 21 days can be smoothly arranged to come to the next batch. In addition, the implementation of the three-week batch production model can ensure that the whole process of management has effectively implemented, so that the full increase in production efficiency. The greatest advantage of this mode is to ensure a sufficiently large pig group originated from the same batch (the age difference between the pigs is no more than 7 days).
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From the traditional weekend production model to three-week batch production mode, there is a certain advantage from the management of producers, or pigs management, compared with ZDB production. Specific performance is as follows:
2, the time efficiency management of various stage feeders is increased (such as pregnancy examination, relatively concentrated work), and the use efficiency of veterinary drugs is improved (such as iron, immunized seedlings, health care, treatment drug concentration, avoid Zerozoal medication causes waste), thereby reducing production costs.
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Subtock of batch production
3, for a particular day-old pig group, facilitating the control of the buildings. The pigs in the same batch of pigs were agreed (the difference was not more than 7 days), which is also consistent with environmental requirements, which is convenient for adjustment of controls as needed. 4, according to the age of age, it is easy to fuel the whole group, and implement stage feeding. The same batch of pigs consistent with the nutritional requirements of the feed, and can feed the same number, which is also convenient for the phased change design.
5. For the daily work management of the pigs, it is more convenient to make a plan in advance. Especially for busy working weeks (such as breeding, childbirth, weaning week), people can arrange staff in advance.
7, which is conducive to monitoring the change in breeding. If a batch of breeding delivery rate is lowered, the batch will have a hollow bar, and the number of breeding should be adjusted in time. 8. It is easy to provide a bunch of boarns and weights to customers and markets.
9, each batch is small, easy to achieve cross-fostering in the group, reduce the probability of disease transmission.
10, the empty bar time is consistent, and the whole house is clear, it is easy to carry out the safety of the empty house disinfection.
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At the same time, there are some shortcomings in the implementation of the three-week batch production model, which is worth noting our attention.
1, the reserve sow and the sow are eliminated by the physical condition. It may not be able to catch a large group in breeding. In order to avoid the use of air bar in the delivery house, it should be adjusted in time. Each additional 2 ~ 3;
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2 The above approach can lead to more sows feeding in the pregnancy stage than the planned number.
3, each batch may occur in advance or postponement in advance or postpartum, which will cause the batch of porcum daily age and weaning differences to increase the consistency of pigs.
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