Journal of animal science

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  Año 2003, Vol. 81, Número 81

  • Sensors and management support in high-technology milking

    W. Ouweltjes, H. Hogeveen

    págs. 1-10

    

  • Management of photoperiod in the dairy herd for improved production and health

    D. Petitclerc, G.E. Dahl

    págs. 11-17

    

  • Lactation persistency: Insights from mammary cell proliferation studies

    E. Long, M.J. Paape, A.V. Capuco, R.A. Erdman, X. Zhao, S.A. Hale, S.E. Ellis

    págs. 18-31

    

  • Production of transgenic livestock: Promise fulfilled

    M.B. Wheeler

    págs. 32-37

    

  • Mammary expression of new genes to combat mastitis

    D.E. Kerr, O. Wellnitz

    págs. 38-47

    

  • Proteomics methods for probing molecular mechanisms in signal transduction

    L.G. Sheffield, J.J. Gavinski

    págs. 48-56

    

  • Modeling the interaction of milking frequency and nutrition in lactation

    pág. 58

    

  • Changes in cisternal and alveolar milk throughout lactation in dairy sheep

    pág. 58

    

  • Insulin response to amino acid infusions in Holstein cows

    pág. 59

    

  • Involvement of Oct-1 in transcriptional regulation of beta-casein gene expression in mouse mammary gland

    pág. 59

    

  • Effect of milking and a suckling/milking combination on oxytocin and prolactin release and on milk yield in crossbred Gir x Holstein cows

    págs. 60-61

    

  • Synthesis of insulin-like growth factor binding proteins by a bovine mammary cell line

    pág. 60

    

  • Influence of dietary starch and of phase of lactation on haematological markers of oxidative stress in early lactation

    pág. 60

    

  • Induction of milk yield decrease and mammary gland involution in lactating Holstein cows and female rats

    págs. 61-62

    

  • Milk emission during machine milking in dairy sheep

    pág. 61

    

  • Effect of milking interval on milk yield and quality and the rate of recovery during subsequent frequent milking

    págs. 62-63

    

  • Cloning lactoferrin gene in a novel expression vector and its expression/secretion in bovine mammary cells

    pág. 62

    

  • Comparison of milk yield and of oxytocin and cortisol release during machine milking in Gir, Gir/Holstein and Holstein cows

    págs. 63-64

    

  • Leptin variations in dry and lactating periods of dairy cows with different genetic merit

    pág. 63

    

  • Mixed linear model analysis of factors affecting the evolution of milk electrical conductivity along lactation in dairy cattle

    pág. 64

    

  • Effect of stimulation intensity on oxytocin release before and after milking

    pág. 64

    

  • Factors affecting level and post-feeding behaviour of insulin in dairy cows

    pág. 65

    

  • Evidence for the presence of the cationic amino acid transporter CAT-1 in porcine mammary gland during lactation

    pág. 65

    

  • Oxytocin release and milk ejection induced by teat cleaning in a single stall automatic milking system

    pág. 66

    

  • MRNA expression of immunologically important factors and milk proteins in mammary tissue of dairy cows during LPS-induced mastitis

    pág. 66

    

  • Detecting beta-casein and beta-lactoglobulin variants using real-time PCR taking advantage of single nucleotide polymorphisms in milk cell DNA

    págs. 67-68

    

  • Body lipid change in lactation: consequences for the prediction of energy requirements

    pág. 67

    

  • Serum insulin-like growth factor 1 and placental lactogen profiles in Holstein nulliparous and multiparous cows in early gestation

    pág. 67

    

  • Prolactin receptor expression responds to photoperiod similarly in multiple tissues in dairy cattle

    págs. 68-69

    

  • Effect of contact time between calves and cows on IgG transfer: cortisol release, milk yield and residual milk

    pág. 68