Essays about: "artificial rearing"

Showing result 1 - 5 of 11 essays containing the words artificial rearing.

  1. 1. Evaluating an increased spill regime as a management tool to improve downstream passage of salmon smolt

    University essay from Karlstads universitet/Institutionen för miljö- och livsvetenskaper (from 2013)

    Author : Mattias Hansson; [2022]
    Keywords : hydraulic modeling; hydroacoustic telemetry; time to event analysis; hydraulisk modellering; överlevnadsanalys; hydroakustisk telemetri;

    Abstract : The anadromous Atlantic salmon (Salmo salar) is dependent on river connectivity to reach spawning and rearing habitats in rivers. Most rivers are today fragmented by artificial barriers such as hydroelectric powerplants (HEP) which impede this migratory movement. READ MORE

  3. 2. Separation mellan mjölkko och kalv : begränsad digivning som alternativ

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

    Author : Zara Webjörn; [2020]
    Keywords : begränsad digivning; artificiell digivning; mjölkproduktion; Bos taurus; ko; kalv;

    Abstract : Livsmedel av komjölk är mycket vanliga i Sverige. För att producera mjölken till produkterna behöver man mjölkkor som blir dräktiga och föder kalvar. READ MORE

  4. 3. Risker och fördelar för juverhälsan vid kombinerad digivning och mjölkning

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

    Author : Hugo Muhrbeck; [2019]
    Keywords : mjölkko; djurhälsa; djurvälfärd; mjölk; mjölkkvalitet;

    Abstract : Intresset för en mer naturlig djurhållning ökar både hos konsumenter och mjölkbönder i Sverige och Europa. För att öka djurens möjlighet till ett mer naturligt liv kan man låta kalven gå med mamman under hela eller delar av mjölkutfodringstiden. READ MORE

  5. 4. Spatial resolution threshold in layers and red jungle fowls : are there differences due to light intensity or light spectra?

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

    Author : Pauline Annerstedt; [2018]
    Keywords : spatial resolution threshold; layer; red jungle fowls; visual acuity;

    Abstract : The domestic fowl (Gallus gallus domesticus) originates from the forests in South-east Asia. It may be correct to assume that the visual system of the domestic fowl is still adapted to light that is filtered through the green forest canopy. READ MORE

  6. 5. Reproductive Potential Difference of Artificially Inseminated and Naturally Mated Honey Bee Queens (Apis mellifera L.)

    University essay from Stockholms universitet/Institutionen för biologisk grundutbildning (BIG)

    Author : Md. Abul Hasnat; [2018]
    Keywords : honeybees; queen bees; inferior queen; reproductive potentiality; artificial insemination;

    Abstract : Apis mellifera L. is the only commercially cultivated bee species in Bangladesh nowadays and has been practicing for migratory beekeeping since 1990. Notably, without taking initiatives to improve the bee stocks, intensified beekeeping has been making the species vulnerable to different threats of diseases, pests and inbreeding depression. READ MORE