Ní féidir le baill ach ár leabharlann scannán agus físe a shruthlú nó a íoslódáil
Lean ort ag faire SAOR IN AISCE ➞Tógann sé níos lú ná 1 nóiméad chun Cláraigh a dhéanamh ansin is féidir leat taitneamh a bhaint as Teidil Scannáin & Teilifíse Neamhtheoranta.
Aufzucht von Bienenköniginnen 1992 Rochtain Neamhtheoranta In Aisce
Queen rearing is one of the most important areas of beekeeping. After explaining the breeding objectives, the three most common methods for rearing queen bees are described: Breeding in the queenless colony; breeding via the pre-brood box; breeding via starter and finisher. Special attention is also paid to the selection and presentation of the breeding material, selection and preparation of the care colony, controlled mating and the safe introduction of queens into the colonies.
Seánra: Documentary
Caitheadh:
Criú: Claus Goemann (Director of Photography), Claus Goemann (Editor)
Runtime: 64 nóiméad
Cáilíocht: HD
Scaoileadh: Jan 01, 1992
Tír: Germany
Teanga: Deutsch