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Techniques for Achieving High Reproductive Yields in Mink Farming

Selection and retention of breeding mink: Every November, select and retain breeding mink according to plan. Choose mink with good breed quality, large body size of over 2000 grams, and slightly better fur, at a male-to-female ratio of 1:3, and raise them separately. To ensure the quality of the offspring, carry out vaccination once every December. Pre-mating vaccination:
2020-11-08 19:55:29

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How to select and manage superior breeding chickens? Master these four key points

1. Appropriate ratio selection and pairing. If you have a superior flock but do not carry out rational selection and pairing, and let them mate randomly and indiscriminately, then the offspring produced will not be good. Therefore, in a flock of the same breed, for every 8-10 hens, select 1 particularly outstanding rooster, and it should have unique
2020-11-08 19:51:05

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Selection and Storage Methods for Sweet Potato Seed Tubers

Timely harvest. If sweet potatoes are harvested too early, the yield is lower; if harvested too late, they are prone to frost damage, which affects storage. Therefore, it is generally best to begin harvesting when the temperature is around 18°C, and to finish harvesting when the temperature is above 10°C (that is, before the killing frost period). Generally, spring sweet potato fields used for slicing and drying are harvested first,
- seed tuber
- sweet potato
- of
- seed
- selection and retention
- and
- storage
- timely
- harvest
2020-11-08 18:41:44

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Detailed Explanation of Key Technical Points for Seed Selection and Seed Retention in Lotus Root

Seed Selection and Seed Retention Techniques for Lotus Root
2019-02-23 17:39:00

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Detailed Explanation of Lotus Root Seed Selection and Seed Retention Techniques

(1) Selection and breeding. Lotus root selection and breeding mainly includes methods such as asexual selection and sexual crossbreeding. 1. Asexual selection. China has abundant lotus root germplasm resources, which provides excellent conditions for asexual selection. In recent years, varieties bred from superior plants of asexual lines include Kexuan No. 1, Elian No. 1, Zhehu...
2018-09-13 18:53:00

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Staged Selection and Retention Methods and Technical Points for Replacement Gilts

Staged Selection and Retention of Replacement Gilts
2018-07-23 07:38:00

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