Sökning: "beef breeds"

Visar resultat 1 - 5 av 36 uppsatser innehållade orden beef breeds.

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

    Master-uppsats, SLU/Dept. of Animal Breeding and Genetics

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

    Sammanfattning : 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. LÄS MER

  2. 2. The ethical price for dairy

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

    Författare :Katrin Bauer; [2021]
    Nyckelord :animal ethics; dairy industry; Europe;

    Sammanfattning : In the 21st century people in modern society within Europe are used to go to a supermarket to buy groceries of daily need. Everything is easily available and affordable and barely anyone is aware of the production of their consumed goods, their origin and unpleasant side effects. LÄS MER

  3. 3. Structural variation identification in non-reference cattle breed genomes

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Institutionen för biologisk grundutbildning

    Författare :Jenny Jakobsson; [2021]
    Nyckelord :;

    Sammanfattning : Cattle are essential for the global food industry through the meat and milk production. It is from an economical point of view in our best interest to make cattle as efficient as possible, whether it is milk or beef production, without negatively influencing their health and welfare. LÄS MER

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

    Master-uppsats, SLU/Dept. of Animal Breeding and Genetics

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

    Sammanfattning : 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. LÄS MER

  5. 5. Påverkas kalven av kons utfodring under dräktigheten?

    Kandidat-uppsats, SLU/Dept. of Animal Nutrition and Management

    Författare :Elin Johansson; [2020]
    Nyckelord :fosterutveckling; näringsbehov; essentiella fettsyror; tillväxt; födelsevikt; råmjölk;

    Sammanfattning : Kalvens hälsa och prestation har stor betydelse i mjölk- och dikalvsproduktion. Utfodringen under kons dräktighet har betydelse för både kon och hennes foster. Vanligtvis i produktionen anpassas utfodringen för att uppfylla kons näringsbehov för att hålla henne i rätt hull inför kalvning. LÄS MER