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Other Research Information – Page 1

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Bee Health – Other Research Information – Page 1 – A selection of PDF Documents with information relating to various areas of Bee Health.

This page contains a selection of research documents in no particular order that may be of interest to CFLs preparing lectures or senior exam candidates looking for more information on a particular topic of interest.

Foulbrood in Honey

Summary
The American foulbrood (AFB) Histolysis infectiosa perniciosa larvae apium is an infectious and highly contagious disease of honey bee brood (Apis mellifera) and other Apis species. Recognition of the AFB in apiaries should be confirmed with laboratory tests. These are tests used in detection of the Paenibacillus larvae presence in infected brood. Tests of honey (food stores) for presence of the Paenibacillus larvae can detect the infection in bee colonies before the outbreak of the disease and its clinical symptoms. The aim of the research from the years…

Read more here: Foulbrood in honey


Fumigating Combs

Summary
Fumigating comb has many benefits and is used by beekeepers to sterilise brood and honey frames. This is a useful technique and saves colonies time and energy in having to draw out new foundation. Acetic acid is usually used in late autumn or winter to sterilise combs against the adult bee disease Nosema spp., chalkbrood and wax moth.
Read more here: Fumigating Combs


Hive Cleaning & Sterilisation

Summary
Honey bee colonies are subject to infection or infestation by a range of pests and diseases. These include insects, mites, fungi, viruses, and bacteria, such as the microbes that cause American or European foulbrood (AFB and EFB) (Paenibacillus larvae and Melissococcus plutonius). Honey bees are social insects and are at risk of epidemics, so it is essential that beekeepers not only recognise the signs of such pests and diseases, but also know how to reduce their impact in colonies, apiaries and the locality. A key factor in preventing the spread of infection is good hygiene. The following Fact Sheet provides some advice about when and how you should be cleaning your hives and your equipment.
read more here: Hive Cleaning & Sterilisation


Thiacloprid Neonicotinoids

Summary
A strong immune defense is vital for honey bee health and colony survival. This defense can be weakened by environmental factors that may render honey bees more vulnerable to parasites and pathogens. Honey bees are frequently exposed to neonicotinoid pesticides, which are being discussed as one of the stress factors that may lead to colony failure. We investigated the sublethal effects of the neonicotinoids thiacloprid, imidacloprid, and clothianidin on individual immunity, by studying three major aspects of immunocompetence in worker bees: total hemocyte number, encapsulation response, and antimicrobial activity of the hemolymph. In laboratory experiments, we found a strong impact of all three neonicotinoids…
Read more here: Thiacloprid Neonicotinoids


SIVANTO

Summary
SivantoTM (active substance flupyradifurone) is a new insecticide with a distinct spectrum of
activity belonging to Bayer CropScience ́s own chemical class of Butenolides. Sivanto will be developed, registered and sold throughout the world in all major climatic zones allowing agriculture, the key markets being Brazil, USA, Europe, Ghana, India, and China. The basic formulations are currently a 200 SL for foliar and drench/drip use and a 480 FS for seed treatment. Mixtures with other active substances are under development. When compared to other insecticides, Sivanto exhibits a very promising safety profile.
Read more here: SIVANTO


Testing Products

Summary
This guideline outlines the conditions and criteria for the acceptability of data on efficacy and target animal safety for veterinary pharmaceutical products intended for varroosis control in honey bees and should be read in conjunction with current EU guidelines. Varroa destructor control implies a number of measures, which can include treatment with veterinary medicinal products. Availability of veterinary medicinal products is therefore considered as relevant. This guideline aims to provide general guidance on issues that should be considered or addressed when designing and implementing studies to demonstrate efficacy and target animal safety. Study results should allow recommendations for use, to be made under various climatic conditions.
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Bees Birds and Mankind

Summary
For many decades, research results showing that the natural electrical and magnetic fields and their variation are a vital precondition for the orientation and navigation of a whole range of animals, have been freely available. What has also been known to science for many decades is that we as humans depend on this natural environment for many of our vital functions. Today, however, this natural information and functional system of humans, animals and plants has been superimposed by an unprecedented dense and energetic mesh of artificial magnetic, electrical and electromagnetic fields, generated by numerous mobile radio and wireless communication technologies. The consequences of this developmnt have also been predicted by the critics for many decades and can now no longer be ignored.
Read more here: Bees Birds and Mankind


Targeting Varroa in a Colony

Summary
Beekeepers in the UK have successfully treated varroa (Varroa destructor) infestations in their colonies with MAQS® beehive strips since 2013. Despite convincing results and good experiences with the product, from time to time beekeepers approach NOD Apiary Products Ltd with questions about the strips. In this article, we would like to address a couple of the more frequently expressed queries: how exactly does MAQS® cause mortality to varroa mites in the capped brood and why is it so important to target male mites? To understand the answers to these questions satisfactorily, it is essential to have an understanding of the varroa life cycle. When beekeepers think of varroa mites, they usually picture small, flat, reddish brown bugs, attached to worker bees. These clearly visible adult varroa females are in the phoretic phase of their life cycle when they are carried about by the bees. During this stage, female mites feed on the haemolymph of worker bees, drones and – in rare cases – queens. Additionally, they use members of the honey…
Read more here: Targeting varroa in a colony