Essays about: "cow and lactation."

Showing result 11 - 15 of 109 essays containing the words cow and lactation..

  1. 11. Effects of cow-calf contact on feed intake, milk production and energy balance in dairy cows in early lactation

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Carina Tufvesson; [2021]
    Keywords : Cow-calf contact system; dairy cow; suckling; feed intake; feeding pattern; milk production; energy balance;

    Abstract : The objective of this study was to compare the production level, feed intake and energy balance in early lactation of non-suckled cows against cows in a cow-driven cow-calf contact (CCC) system. CCC systems have become interesting to evaluate as they are thought to provide a more natural behaviour for both the cow and calf, several studies have reported higher growth and better health in calves kept in these systems. READ MORE

  2. 12. Sinperiodens inverkan på nästkommande laktation : hur vanliga produktionssjukdomar kan förbyggas

    University essay from SLU/Dept. of Biosystems and Technology (from 130101)

    Author : Tilde Larsson; Elisabet Nilsson; [2021]
    Keywords : dry cow; dry period; dry cow management; dry cow feeding; acetonemia; ketosis; displaced abomasum; dry cow fertility; fatty liver; hypokalcemia;

    Abstract : I takt med att avkastningen hos mjölkkor ökat på grund av förbättrade avelsstrategier och bättre management har också produktionssjukdomarna fortsatt vara närvarande, framför allt vid tiden runt kalvning. Vid denna tid är kon extra utsatt på grund av att hon ofta drabbas av negativ energibalans vilket kan leda till fysiologiska och biokemiska förändringar i kroppen. READ MORE

  3. 13. Uppföljning av mastit orsakad av Escherichia coli hos nöt : vilken roll spelar behandlingen för kons överlevnad?

    University essay from SLU/Dept. of Clinical Sciences

    Author : Monica Höjerslev; [2021]
    Keywords : mastit; nötkreatur; mjölkkor; Escherichia coli; behandling; kinoloner; trimetoprim; sulfonamid; enrofloxacin; trimsulfa;

    Abstract : I Sverige har mjölkproduktionen genomgått stora förändringar de senaste fyra decennierna, med större besättningar och högre mjölkproduktion som resultat, vilket ställer stora krav på lantbrukaren vad gäller omvårdnad om sina kor, annars kan korna drabbas av sjukdomar. Något som har stor påverkan på mjölkproduktionen är om kon får juverinflammation (mastit). READ MORE

  4. 14. Composition and processability of milk from older cows : a pilot study on milk quality differences between young and old cows

    University essay from SLU/Department of Molecular Sciences

    Author : Gabriella Apelthun; [2020]
    Keywords : Raw milk quality; lactation number; gel firmness; rennet coagulation time; Swedish Holstein; Swedish Red;

    Abstract : Most Swedish dairy cow’s life expectancy is five years, which is 2.5 lactations. The most common reason for dairy cows being culled are e.g. READ MORE

  5. 15. Determinants for milk fever An epidemiological study of Swedish dairy cows

    University essay from SLU/Dept. of Clinical Sciences

    Author : Sofia Daresjö; [2020]
    Keywords : cow; dairy; milk fever; parturient paresis; determinant; risk factor; Sweden;

    Abstract : Milk fever is a worldwide disease, seen mainly in dairy cows. At the onset of lactation the cow is not prepared for the sudden calcium requirement, which causes a drop in the blood calcium and the cow develops hypocalcaemia. Calcium is needed for the correct function of both nerves and muscles in the body. READ MORE