Essays about: "Brood"

Showing result 1 - 5 of 20 essays containing the word Brood.

  1. 1. A destructive host-shift : a comparative review of resistance mechanisms in the novel and original hosts of Varroa destructor

    University essay from SLU/Dept. of Ecology

    Author : Elin Sjögren Englund; [2022]
    Keywords : Varroa destructor; Apis cerana; Apis mellifera; host-shift;

    Abstract : Apiculture has a major antagonist in Varroa destructor, the ectoparasitic mite that has become the most prominent driver of colony losses for the European honey bee, Apis mellifera. This was not always the case, as V. destructor is native to Asia and originally only infested the Asian honey bee, Apis cerana. As these two species have co-evolved, A. READ MORE

  3. 2. Competition between wild bees and manged honeybees : a review of floral preferences

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Charlotte Hansson; [2020]
    Keywords : honeybees; competition; solitary bees; displacement;

    Abstract : The decline of wild pollinators has given ground for a debate on the effects of managed honeybees to wild populations. Even though honeybees are native to some areas, management and domestication has had an indisputable effect on their foraging behaviour and thus the potential effect on surrounding taxa. READ MORE

  4. 3. Smittskydd och vaccinationsrutiner inom hästuppfödning

    University essay from SLU/Dept. of Biomedical Sciences and Veterinary Public Health

    Author : Emma Faring; [2019]
    Keywords : smittskydd; vaccination; hästinfluensa; kvarka; EHV-I; EHV-3; EVA; CEM; hästavel;

    Abstract : Hästsport och hästhållning är populärt i Sverige och på grund av det stora intresset har transporter, försäljning och hästevenemang såsom tävlingar och utställningar ökat. Även hästaveln har gjort framsteg, inte minst med användandet av artificiell inseminering som gör många hingstar tillgängliga för semin i flertalet länder. READ MORE

  5. 4. Finns det ett samband mellan födelsedatum och prestation vid avelsbedömning av Islandshästar?

    University essay from SLU/Dept. of Anatomy, Physiology and Biochemistry

    Author : Malin Paulsson; [2018]
    Keywords : age; breeding; assessment; rideability; conformation;

    Abstract : The brood mare’s estrus season start in February and continues to September. It results in foal being born between Mars and September, which makes the age difference up to six months in the same calendar year. READ MORE

  6. 5. The Effect of Photobacterium damselae Availability on the Behavior of Choanocytes in the Marine Sponge Amphimedon queenslandica

    University essay from Lunds universitet/Examensarbeten i biologi

    Author : Mathias Jönsson; [2018]
    Keywords : Biology and Life Sciences;

    Abstract : Sponges are aquatic filter feeding animals that use internal chambers comprised of choanoflagellate-like cells called choanocytes to pump and filter water. In this study I investigated the behavior of choanocytes in juvenile Amphimedon queenslandica, a coral reef demosponge, when they were fed Photobacterium damselae subsp. READ MORE