Essays about: "dairy cows"

Showing result 21 - 25 of 547 essays containing the words dairy cows.

  1. 21. 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

  3. 22. Antimicrobial drug residues in milk : effect on mesophilic starter cultures

    University essay from SLU/Department of Molecular Sciences

    Author : Frida Willdén; [2022]
    Keywords : mesophilic starter cultures; lactic acid bacteria; aroma producing bacteria; acid producing bacteria; penicillin G; oxytetracycline; trimethoprim; sulfadiazine;

    Abstract : Starter cultures have an essential role in cheese production contributing to desired acid production and formation of aroma- and flavour compounds during cheese maturation. Residues of antimicrobial drugs might reduce the activity of dairy starter cultures and subsequently cause impaired cheese quality. READ MORE

  4. 23. 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

  5. 24. Pasture related characteristics and management strategies associated with udder health in farms with an automatic milking system : impact on somatic cell count and milking frequency

    University essay from SLU/Dept. of Clinical Sciences

    Author : Emma Laufors; [2022]
    Keywords : somatic cell count; milking interval; automatic milking system; udder health; heat stress; pasture strategies; preventative measures;

    Abstract : Udder health plays a central role in the dairy industry and poor udder health can entail both negative economic and animal welfare consequences as well as increased antimicrobial use. The somatic cell count (SCC, a commonly used measurement of udder health) has been observed to increase during the summer season both in Sweden and in other countries. READ MORE

  6. 25. 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