Rex rabbit fur is very precious, and the breeder often gains benefits as soon as it is available. The male and female rabbits are either in early mating or don't talk about descent and disorderly distribution, so that the quality of the offspring is reduced. In addition, Rex rabbits have a specific heredity of various coats, mating between different coat colors, destroy the original genetic properties, make the surface of the skin smaller, affect the selling price. In order to cultivate pure color, individual big rabbits must attach great importance to the selection and matching work. 1. Selection criteria 1 From the aspect of appearance, moderate body size, well-proportioned structure, full muscles, well-developed buttocks, apparent meat smell, pure and shiny coat, weight of about 3 kilograms, adult rabbits with a body surface area of ​​more than 1,000 square centimeters. 2 Genital development is good. Male rabbits are homophobic and have a strong sexual desire. Females require good maternity, genetically stable hair color, and more than 8 effective nipples. 3 The rabbits were 3 months old or younger than 1 year of age, and they were physically strong, had normal growth and development, and had no hereditary diseases. 4 The pedigree is clear, the data is complete, reliable, and clearly coded. From the current market point of view, it is required to develop in the direction of both skin and meat. With a large body weight (above 3.5 kg), rabbits with large skins and lots of meat are our selection criteria: 2. The purpose of the matching is to select the male and female rabbits that meet the characteristics of the breed to be mated to obtain good offspring, which is the continuation of the selection work and an important part of breeding work. The following points should be noted when matching: 1 Identify the kinship, prevent mating, affect the degradation of fertility varieties. 2 Select young rabbits for mating, preferably between 1.5 and 2.5 years of age. 3 Master the quality characteristics of male and female rabbits, fully develop their advantages, overcome disadvantages, and select excellent ones.

Drum type pre cleaner is the main and primary machine in high capacity grain cleaning industry. Drum type pre cleaner is used to remove big, small impurity from grain seeds. At the meantime, drum type pre cleaner removes the light impurity by connecting air dust cleaning system. Base on the different cleaning aim, drum pre cleaner can be single drum sieve or double drum sieves. So the big straw, long branches, sands, smashed seeds, dust, etc all can be removed by drum type pre cleaner. Precleaner is fit for all type grain seed cleaning, as maize, soya bean, wheat, oat, etc. Its cleaning capacity ranges from 20-200 ton per hour. Base on different raw material, different capacity requirement, we will suggest suitable sieves.

 

Drum type pre cleaner is driven by gear motor and adopts chain transmission. This construction ensures its stable working performance. There is a sieve brush equipped and brush the rotation sieves. This effectively prevents grain seed clogging in sieve holes. Drum pre cleaner has a full-closed cover. This avoids dust leakage during operation and protects working environment. On top of the pre cleaner, there is an opening to connect the air suction system. At bottom of drum type pre cleaner are the impurity and clean outlets. So drum pre cleaner is always placed on a platform or a higher frame to collect the finished grain.

 

With good cleaning effect and user friendly feature, pre cleaning machine is widely used in heavy duty Grain Cleaning Plant, as grain supply center, big farm, seeds company.


Outer sieve (mm)

Inner sieve (mm)

dia: 1.8-3.2

dia: 22

dia: 20

dia: 18

dia: 16

5XZP85/190D

60 tons/hour

50 tons/hour

40 tons/hour

30 tons/hour

5XZP100/220D

80 tons/hour

70 tons/hour

60 tons/hour

50 tons/hour

5XZP8100/320D

110 tons/hour

100 tons/hour

90 tons/hour

70 tons/hour

5XZP100/420D

140 tons/hour

120 tons/hour

110 tons/hour

100 tons/hour

5XZP125/320D

140 tons/hour

120 tons/hour

100 tons/hour

90 tons/hour

5XZP125/420D

170 tons/hour

150 tons/hour

120 tons/hour

110 tons/hour


Drum Type Pre Cleaner

Drum Type Pre-Cleaner

Drum Type Pre-Cleaner,Rice Cleaning Machine,Grain Cleaning Machine,Wheat Cleaning Machine

SHIJIAZHUANG SYNMEC INTERNATIONAL TRADING LIMITED , http://www.seedgraincleaner.com