Sökning: "behviour"

Hittade 2 uppsatser innehållade ordet behviour.

1. 1. Shedding light on alternative shrimp fishing : development of shrimp pots with a focus on selection, attraction and behaviour

   Master-uppsats, SLU/Dept. Of Aquatic Resources

   Författare :René Bouwmeester; [2018]
   Nyckelord :Northern shrimp; Pandalus borealis; shrimp pot; fishing; bycatch; gadoid; attract; green light; white light; UV light; LED light; underwater camera; video recording; behviour;

   Sammanfattning : In search of a less destructive alternative to current shrimp fishing methods, both in terms of bycatch reduction and increasing shrimp-catch in pots, this study aims to analyse the catches and bycatches of different pot designs and alternative attractants for pot fishing on Northern shrimps (Pandalus bore-alis). There are three main objectives: (1. LÄS MER

3. 2. Platelet serotonin uptake, N/L ratio and (abnormal) behaviour of pigs with a low or high social breeding value in barren or enriched housing

   Master-uppsats, SLU/Dept. of Animal Environment and Health

   Författare :Sophie de Graaf; [2012]
   Nyckelord :social breeding value; platelet serotonin uptake; n l ratio; behviour; pigs; housing;

   Sammanfattning : Pigs that are kept intensively and in groups may show excessive aggressive and/or manipulative behaviour. These behaviours may cause both welfare problems for the pigs and economic problems for the farmer. These problems may be solved by adjusting the environment the animals are kept in, and by (genetic) selection of animals. LÄS MER