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Comparison of components and number of Nosema sp. spores of wintering Carniolan and Italian bees debris

100%

Madras-Majewska B., Ochnio L., Ochnio M., Sciegosz J.

Annals of Warsaw University of Life Sciences - SGGW. Animal Science

2013

tom 52

The aim of the experiment is to investigate and compare the components of the winter debris of two breeds of bees: Carniolan and Italian and microscopic tests of the bees samples from the experimental debris for the presence of Nosema sp. The study was carried on 20 wintering bee colonies in the apiary of the Apiculture Division of Warsaw University of Life Sciences - SGGW. The research material was debris falling during the winter at the bottom of the hive that was bees, wax cappings, eggs, wax, pollen pellets, dark hardened fungal clods and fecal stains on the pads. The examination was conducted during the overwintering 2008/2009. In the spring of 2009 microscopic examination was conducted (samples of bees from the experimental debris for the presence of Nosema sp.). Pollen pellets are originated from bee bread, which bees use to feed the brood and was collected from two different breeds of bees. The presence of eggs in debris testifies to the fact that in winter queen of two studied breeds of bees are also lying eggs. The presence of fecal spots in debris is sporadic but it is the sign of no-semosis. Microscopic examination confirmed the assumption that the appearance of the fecal spots was a symptom of Nosema sp. presence. Nosema sp. infects bees of both breeds. Carniolan breed bees tend to self-medicate from nosemosis. Lack of feces does not indicate the lack of nosemosis in the case of both mentioned breeds of bees.

Performance and reactivity in three Italian chicken breeds for organic production

100%

Ferrante V., Marelli S., Pignattelli P., Baroli D., Cavalchini L. G.

Animal Science Papers and Reports. Supplement

2005

tom 23

nr 1

Ograniczanie wyników

1 Animal Science Papers and Reports. Supplement

1 Annals of Warsaw University of Life Sciences - SGGW. Animal Science

1 Baroli D.

1 Cavalchini L. G.

1 Ferrante V.

1 Madras-Majewska B.

1 Marelli S.

1 Ochnio L.

1 Ochnio M.

1 Pignattelli P.

1 Sciegosz J.

1 2013

1 2005

Wyniki wyszukiwania

Comparison of components and number of Nosema sp. spores of wintering Carniolan and Italian bees debris

Performance and reactivity in three Italian chicken breeds for organic production