Essays about: "sire"

Showing result 1 - 5 of 21 essays containing the word sire.

  1. 1. Heritability of litter size in the Swedish population of Shetland sheepdogs

    University essay from SLU/Dept. of Animal Breeding and Genetics

    Author : Annika Eleryd; [2022]
    Keywords : dog; breeding; litter size; inbreeding; heritability; Shetland sheepdog;

    Abstract : The Shetland sheepdog is one of the most common canine breeds in Sweden and the demand for puppies is arguably high on the Swedish market. However, the continuously small litter sizes (mean of 3.0-3.4) in the population have been a cause for concern. READ MORE

  3. 2. How does a beef x dairy calving affect the dairy cow’s following lactation period?

    University essay from SLU/Dept. of Animal Breeding and Genetics

    Author : Roberto Espinola Alfonso; [2022]
    Keywords : beef cattle; dairy cattle; crossbreeding; milk yield; fertility; survival;

    Abstract : In dairy x beef breeding, much of the research has focused on the performance of the crossbred calves, yet little focus has been given to the subsequent performance of the cow itself. This study aimed to evaluate the performance of dairy cows for milk yield, fertility, and survival traits after giving birth to crossbred calves, and to compare this to the performance of dairy cows after giving birth to purebred dairy calves. READ MORE

  4. 3. Comparing crossbred and purebred dairy cows for economically important traits

    University essay from SLU/Dept. of Animal Breeding and Genetics

    Author : Sofie Liedgren; [2022]
    Keywords : Crossbreed; Holstein; Montbéliarde; Jersey; Fertility; Production;

    Abstract : The use of dairy x dairy crossbreeding as a breeding strategy has increased in Sweden, which has led to an increase of Brown Swiss, Jersey and Montbéliarde crosses. Multiple studies have been done on Montbéliarde and Jersey crossbreds in the USA but to our knowledge, no such study has been done on Swedish data. READ MORE

  5. 4. Beskrivning och uppföljning av elitauktionsföl 2011-2020 inom svenskt varmblod

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

    Author : Agnes Dahlgren; Wilma Östlin; [2021]
    Keywords : Häst; SWB; föl; elitfölauktion;

    Abstract : Varje år föds cirka 2500 svenska varmblodsföl och för att skapa ett forum för svenska elitföl där uppfödare och köpare kan mötas arrangeras SWB:s elitfölauktion, under SWB equestrian weeks varje höst. Idag finns ingen sammanställd statistik som beskriver vad som karaktäriserar de föl som selekteras till SWB:s elitfölauktion eller de föl som säljs till de högsta priserna. READ MORE

  6. 5. Assessing the benefits from joining the International beef cattle genetic evaluation (Interbeef) at SLU’s Interbull Centre : Estonia as a case study

    University essay from SLU/Dept. of Animal Breeding and Genetics

    Author : Tzayhri Osorio Gallardo; [2021]
    Keywords : Pilot run; Interbeef; Estonia; reliability; International genetic evaluation; beef cattle; weaning weight;

    Abstract : In 2019 the Interbeef Working Group started offering a new Service: the “Interbeef Pilot run”. The Service, developed and provided by Interbull Centre, consists in an international genetic evaluation for beef breeds using pre-defined genetic parameters. READ MORE