Essays about: "baltic salmon"

Showing result 1 - 5 of 10 essays containing the words baltic salmon.

  1. 1. Novel Scale Chemistry of Salmo Salar L. : New Linkage of Otolith and Scale Chemistry to M74 Reproductive Disorder

    University essay from Uppsala universitet/Institutionen för medicinsk biokemi och mikrobiologi

    Author : Michelle Von Ehr; [2022]
    Keywords : Thiamine; M74; Salmon; Otolith chemistry; Scale chemistry; laser-ablation coupled inductively plasma mass spectrometry;

    Abstract : Baltic salmon suffer from maternally transmitted M74 reproductive disorder, which causes yolk-sac fry mortality due to thiamine deficiency. This study investigates trace elemental analyses of Baltic salmon applied on otoliths and scales and their possible link to identifying M74. READ MORE

  3. 2. Factors explaining variation in the fecundity of female Baltic salmon (Salmo salar) : the influence of length, body condition and growth rate at sea

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Ulrika Tollerz Bratteby; [2019]
    Keywords : Atlantic salmon; Baltic Sea; fecundity; body size; body condition; growth rate; scale reading;

    Abstract : Understanding factors influencing variation in fecundity is crucial to manage Atlantic salmon (Salmo salar) populations in the Baltic Sea. Larger individuals usually have a higher size-specific reproductive investment than smaller individuals, thus leading to a higher fecundity. READ MORE

  4. 3. Impact of Great cormorant (Phalacrocorax carbo sinensis) on post-smolt survival of hatchery reared salmon (Salmo salar) and sea trout (Salmo trutta)

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Carolina Gavell; [2018]
    Keywords : great cormorant; salmon; sea trout; sea trout; grey seal; post-smolt survival;

    Abstract : To compensate for the losses due to altered stream habitat large amounts of hatchery-reared Atlantic salmon (Salmo salar) and sea trout (Salmo trutta) are released into the Baltic Sea each year. During the last decades there have been an overall declining trend in the post-smolt survival of both hatchery reared and wild salmon in the Baltic Sea. READ MORE

  5. 4. Why have the eggs in Baltic salmon (Salmo salar L.) become larger?

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Shoumo Khondoker; [2018]
    Keywords : baltic salmon; egg size; egg numbers; length; wild; hatchery;

    Abstract : The size of the eggs in fish long been regarded as an important parameter in comparative ichthyology, as it has been linked to fitness related traits such as the survival and competitive ability of the offspring. However, very few studies exist were variation in egg-size within a population has been investigated over long time. READ MORE

  6. 5. Experimental Spironucleus infections in Atlantic salmon (Salmo salar) : Hidden secrets of the life cycle of Spironucleus salmonicida revealed

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Anders Alfjorden; [2018]
    Keywords : Parasite; Salmon; Infection; Diplomonada; Spironucleus;

    Abstract : We have performed experimental infections of Atlantic salmon (Salmo salar) from the Baltic Sea region with the protozoan parasite Spironucleus salmonicida. By this infection trial we have been able to show that the life cycle may use an alternative route of transmission. READ MORE