Layers Practical Technology by Nong Min (1 results)

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    • Language: English

      Published by China Agricultural Science and Technology Press Pu, 2000

      7802333539 / 9787802333536

      • Softcover

      Seller: liu xing, Nanjing, JS, Chinaliu xing

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      Condition: New

      £ 29.58

      £ 13.38 shipping 
      Ships from China to U.S.A.

      Quantity: 1 available

      paperback. Condition: New. Paperback. Pages Number: 54 Language: Chinese . Publisher: China Agricultural Science and Technology Press Pub. Date :2008-01-01. Layers practical technology mainly includes the entire process of laying hens Brood (O ~ 42 days). incubation period (43 to 140 days ). egg production period (141-500 days)…