Which leeches cannot be left for planting

Over age does not stay

It is advisable to use the seedlings for a period of 1 to 4 years. The female breeding rate was 79.6%, 93.7%, 100%, 100%, and 70% from 1 to 5 years of age, respectively, and the rate of pregnancy from maternal 1 to 5 years old was 78.7%. , 88.7%, 96.1%, 95%, 76%. Therefore, the species must not exceed 4 years old.

Poorly shaped, insubstantial, malformed, incomplete or suffering from self-bite and chronic diseases, can not be left for planting.

Low fertility does not stay

Generally, no fewer than 4 females are born at the beginning of the breeding season, and no less than 6 females older than 4 and under 5 years of age are classified as high yield females. Each year, breeding stocks should be mated with more than 4 females, and the number of breedings should be more than 10 times. Otherwise, they should be adjusted.

Plush color does not stay

The color, luster, density, hair length, and evenness of distribution were used to identify the superiority and inferiority of the species. Such as dark brown species of male boar plush brown or light brown, the density is sparse, uneven distribution, length is too long, uneven, vice needle hair more, can not be reserved for species use.

Galacto-oligosaccharides are made up of plant sugars linked in chains. They are found naturally in dairy products, beans, and certain root vegetables. People use galacto-oligosaccharides as prebiotics. Prebiotics act as food for "good" bacteria in the intestine. Don't confuse prebiotics with probiotics such as lactobacillus, bifidobacteria, and saccharomyces, which are live organisms that are good for health.

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