Essays about: "egg production"

Showing result 11 - 15 of 78 essays containing the words egg production.

  1. 11. Providing live black soldier fly (Hermetia illucens) larvae to laying hens (Gallus gallus domesticus) using three different methods : effects on foraging behaviour and production parameters

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Ronja Lindell; [2021]
    Keywords : laying hens; black soldier fly larvae; environmental enrichment; foraging; feather pecking;

    Abstract : Feather pecking is a major welfare issue in commercial egg production. Feather pecking is thought to be a form of re-directed foraging pecking behaviour. When hens are deprived of the necessary conditions to perform foraging behaviour the risk of developing feather pecking increases. READ MORE

  3. 12. The environmental impact of introducing a potato protein for human consumption in Sweden

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Malou Tromp; [2020]
    Keywords : Sustainable Development; food loss; plant-based; genome-editing; potato protein; Life Cycle Assessment;

    Abstract : In this study, a Consequential Life Cycle Assessment (CLCA) was conducted on the introduction of a potato protein for human consumption in Sweden. The assessed environmental impact cathegories in the CLCA were the categories global warming potential, eutrophication and land use. READ MORE

  4. 13. Japansk vaktel (Coturnix japonica) för äggproduktion : näringsbehov och utfodring

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Sigrid Andersson; [2020]
    Keywords : japansk vaktel; Coturnix japonica; näringsbehov; utfordring; äggproduktion;

    Abstract : Det finns ingen samlad rekommendation om vad en äggläggande japansk vaktel har för näringsbehov eller vad den bör utfodras med. Den information som finns bygger delvis på uppskattningar gjorda på vaktlar i en annan ålder eller djur av annan art, som t.ex kalkon. READ MORE

  5. 14. Characterization of infectious laryngotracheitis virus from outbreaks in Swedish chicken hobby flocks

    University essay from SLU/Dept. of Clinical Sciences

    Author : Liv Jonare; [2020]
    Keywords : backyard flocks; chickens; infectious laryngotracheitis; virus; vaccine; coinfections; latency; sequencing; complete genome sequencing; PCR; non-commercial poultry;

    Abstract : Infectious laryngotracheitis (ILT) is a respiratory tract infection of gallinaceous birds, which is caused by Gallid herpes virus 1 (GaHV-1), also called infectious laryngotracheitis virus (ILTV). In its most virulent form it can cause acute respiratory symptoms such as marked dyspnoea, gasping, expectoration of bloody mucus, high mortality (up to 70%) and production losses, such as decreased growth and egg production. READ MORE

  6. 15. Declining abundance and shifting distribution for Antarctic krill, Euphausia superba, in the western Antarctic Peninsula

    University essay from Lunds universitet/Examensarbeten i biologi

    Author : Kerstin Holmström; [2020]
    Keywords : Biology and Life Sciences;

    Abstract : Antarctic krill, Euphausia superba, a polar ocean specialist, thrives in the Antarctic severe physical conditions. The krill life cycle consists of strategies that have enabled and supported the species’ dominance of the Antarctic Ocean. Sea Ice extent and duration creates condition that are crucial for survival of the Furcilia larvae. READ MORE