Essays about: "Calving"

Showing result 6 - 10 of 165 essays containing the word Calving.

  1. 6. Bear in mind! A study about the effect of bear predation on the choice of calving site and site fidelity by female moose in Sweden

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

    Author : Lisa Dijkgraaf; [2022]
    Keywords : moose Alces alces ; brown bear Ursus arctos ; predation; calving site; site fidelity;

    Abstract : Selecting a suitable calving site is important for ungulates, especially when predators are present. Brown bears (Ursus arctos) predate on moose calves (Alces alces) and therefore influence the reproductive success of the moose. READ MORE

  3. 7. Geographical expansion rate of a brown bear population in Fennoscandia and the factors explaining the directional variations

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Lisbet Hougaard Baklid; [2022]
    Keywords : Geography; GIS; brown bear; expansion rate; Ursus arctos; Fennoscandia; Sweden; barrier; Earth and Environmental Sciences;

    Abstract : The brown bears, Ursus arctos L., in the Scandinavian peninsula were distributed in almost all counties before aimed reduction during the 1700-1900s (Swenson et al. 1995). From 1981-2013 the population increased more than five times (Chapron et al. READ MORE

  4. 8. Betesdriftens kostnad : vid uppfödning av mjölkraskvigor

    University essay from SLU/Dept. of People and Society

    Author : Mikaela Samuelsson; Lovisa Söderlund; [2022]
    Keywords : Kostnad på bete; kviga; TB-kalkyl; betesdrift; stöd; vikt på kviga; tillväxt; kostnadssimulering; uppfödning;

    Abstract : I Sverige finns en beteslagstiftning som är tvingande och därmed måste alla nötkreatur över sex månaders ålder vara ute på bete under sommaren. Beroende på vart i landet produktionen bedrivs är längden av betesdriften varierande. READ MORE

  5. 9. 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

  6. 10. 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