Table Of Content

JOURNAL OF DAIRY RESEARCH EDITED BY B.A. ROLLS M.L.GREEN titute of Food Research, Reading Laboratory Reading RG6 6BZ, UK ( onsulting Editors R.G. VERNON B.A. LAW Assistant Editors B. F. BONE MARY C.A.GRIFFIN C.J.WILDE Editorial Assistant B.GILLIAN DAY Secretary CLARE J.STAKER AMBRIDGE NIVERSITY PRESS VOLUME 65, 1998 CAMBRIDGE UNIVERSITY PRESS The Edinburgh Building, Cambridge CB2 2RU, United Kingdom 40 West 20th Street, New York, NY 10011-4211, USA 10 Stamford Road, Oakleigh, Melbourne 3166, Australia © Proprietors of Journal of Dairy Research 1998 Printed in the United Kingdom by the University Press, Cambridge Contents No. 1 February 1998) Partitioning of milk accumulation between cisternal and alveolar compart ments of the bovine udder: relationship to production loss during once daily milking S. R. Davis, V.C. Farr, P.J.A.Copeman, V RUTHERS, C. H. KniGut and K. STELWAGEN Effect of forage conservation (hay or silage) and cow breed on the coagulation properties of milks and on the characteristics of ripened cheeses |. VerpIER-Metz, J.-B. CouLton, P. PRapeL, C. VIALLON and J.-L. BERDAGUE Effect of altering the daily herbage allowance to cows in mid lactation on the composition, ripening and functionality of low-moisture, part skim Mozzarella cheese T. P.GuiNgE, E.O. MULHOLLAND, C. MUL Lins, M.O.Corcoran, J. F.Connotity, T. BeREsrorp, R. MEHRA B. J.O 'Brien, J. J. Mureuy, G. Straketum and D. HarrineTon Subclinical mastitis assessed by deviations in milk yield and electrical resistance E. SHOSHANI and A. BERMAN Localization of carbonic anhydrase in the goat mammary gland during involution and lactogenesis K.Cvek, K.DAHLBORN and Y. RIpDERSTRALI Citrate, calcium, phosphate and magnesium in sows milk at initiation of lactation J.C. Kent. P. G. Artuur and P. E. HARTMANN Distribution of minerals and proteins between the soluble and colloidal phases of pressurized milks from different species R. LOpez-Fanp1iNo, M. A. DE La Fuente, M. Ramos and A. OLANO Electrophoretic characterization of the protein products formed during heat treatment of whey protein concentrate solutions P. Havea, H. SiIncH L. K. CREAMER and O. H. CAMPANELLA Growth factors in milk: interrelationships with somatic cell count A. LIEBE and D. ScHAMS Changes in the concentrations of free amino acids in milk during growth of Lactococcus lactis indicate biphasic nitrogen metabolism G. W. NIVEN, D. J. Kniegut and F. MuLHOLLAND Proteolytic activity of lactococcal strains from water-buffalo Mozzarella starter cultures G. MAURTELLO, G. Moscuetti, G. BLarorta, F. VILLANI and S. Coppo.La Free active peptidases are detected in Emmental juice extracted before ripening in the warm room V. GaGnarReE, 8. Lortat and J. LEONIL Antitumour activity of yogurt: study of possible immune mechanisms G. Perpicon, J.C. VaLpez and M. Racuip 1\ ('ontents Short communications Isolation of coagulase-negative staphylococci from the milk and environment of sheep A. BURRIEI Detection of enterocin AS-48 producing dairy enterococel by dot-blot and colony hybridization E. Roprkiguez, M.1. Martinez, M. Meprina P. E. HERNANDEZ and J. M. Ropricuez Characteristics of kefir prepared with different grain:milk ratios G. L. Garrote, A. G. ABRAHAM andG . L. De ANTONI Review article Body score of dairy cows W. H. BROSTER and V.J. BROSTER No. 2 (May 1998 Sole disorders in conventionally managed and organic dairy herds using different housing systems M. Vaarst. J. HINDHEDE and (. ENEVOLDSEN Changes in electrical conductivity and somatic cell ount between milk fractions from quarters subclinically infected with particular mastitis pathogens M. W. WooLrorp. J. H. WiLLiaMsaondn H. V. HEN DERSON Characteristics of L-glutamine transport by lactating mammary tissue D. T. Catvert, T.-G. Kim, J.-J. CHoune, C. BurNs and D. B. SHENNAN Sequence analysis of Camelus dromedarius milk caseins 8S. KAPPELER, Z. FARAH and Z. PUHAN Biochemical characterization of bovine &.,-casein F and genotyping with se quence-specific primers E.-M. PRINZENBERG, P. ANGLADE, B. RIBADEAt Dumas and G. ERHARD? Proteolytic specificity of chymosin on caprine a,,-caseins A and $1 \. J. TRustito, G. Mrranpba. D. LeBars and A. DELAcCROIXx-BUCHET Identification of C-terminally truncated forms of #-lactoglobulin in whey from Romagnola cows’ milk by two dimensional electrophoresis coupled to mass spectrometry F. Zappacosta, A. Di Luccia, L. Leppa and F. ADDEO Influence of thermal and other manufacturing stresses on retinol isomerization in milk and dairy products G. Panriui, P. Manzi and L. PizzorerRato Mechanism and kinetics of inactivation at 40—70°C of the extracellular proteinase from Pseudomonas fluorescens 22F E.P.ScHoKkKER and M.A. J.S. Van Boeke. Behaviour and enterotoxin production by Staphylococcus aureus during the manufacture and ripening of raw goats’ milk lactic cheeses C. Vernozy-Rozanp, A. MEYRAND, C. Mazvy M.-L. DELIGNETTE Mutier, G. JAUBERT, G. Perrin, C. LAPEYRE and Y. RicHARD Bovine lactoferrin induces both mucosal and systemic immune response in mice H. Deppasi, M. Duparry, M. Ravurureav and D. Tomé Contents Effect of lactation stage on the cheesemaking properties of milk and the quality ot Saint-Nectaire type cheese J.-B. Cor LON, | V ERDIER P. PRADEL and M. ALMENA Cheesemaking, compositional and functional characteristics of low-moisture part-skim Mozzarella cheese from bovine milks containing x-casein AA, AB or BB genetic variants C. D. Watsu, T. P. Gurneg, D. HARRINGTON, R. Mewra, J. Murpuy and R. J. FirzGerRauLp Grana Padano cheese aroma L. Moro and F. AppgEo Short communications Effect of various milking machine systems and components on free fatty acid levels in milk B. O’Brien, E. O'CALLAGHAN and P. DrLLon Restriction fragment length polymorphisms at the ornithine decarboxylase locus associated with milk protein vield in Holsteins J. Yao, S. E. Acerey, D. Zapworny, U. K@HNLEIN and J. F. Hayes Effect of protein content on low temperature inactivation of the extracellular proteinase from Pseudomonas fluorescens 22F E.P.ScHOKKER and M. A. J.S. Van BorKEL 347 No. 3 (August 1998) Milking performance and udder health of cows milked with two different liners M. D. Rasmussen, E. 8S. Frimer, L. KAARTINEN and N. E. JENSEN Effect of decreased milking frequency of cows in late lactation on milk somatic cell count, polymorphoneuclear leucocyte numbers, composition and proteolytic activity A. L. KeLity, 8. Rerp, P. Joyce, W. J. MEANEY and J. FOLEY Factors contributing to variation in the proportion of casein cows’ milk true protein: a review of recent INRA _ experiments J.-B. CouLON C. Hurtaup, B. ReEmMonp and R. VERITE Effects of white clover content in the diet on herbage intake, milk production and milk composition of New Zealand dairy cows housed indoors S. L. Harris, M. J. Autpist, D. A. CLARK and E. B. L. JANSEN Seasonal and lactational influences on bovine milk composition in New Zealand M. J. Autpist, B. J.W aLsH and N. A. THOMPSON Rumen protected methionine or ly sine supplementation of Comisana ewes’ diets: effects on milk fatty acid composition A. Sevi, T. Rotrunno., R. Di CatTerrna and A. Muscrio Insulin-independent glucose uptake in growth hormone treated dairy cows M. T. Rosg, F. Iron, M. Matsumoto, Y. TAKAHASHI and Y. OBARA Changes in the concentrations of glucagon-like peptide-1(7—36)amide and gastric inhibitory polypeptide during the lactation cycle in goats A. FAULKNER and P. A. MARTIN Microfiltration (0-1 ~m) of milk: effect of protein size and charge O. Le BERRE and G. DAUFIN vi ('ontents Effects of heat treatments and subsequent storage on the mineral balance of ewes’ milk M. A. pe La Fuente, A. OLANO and M. JUAREZ Characterization of the interface of an oil-in-water emulsion stabilized by milk fat globule membrane material M. Correpic and D. G. DALGLEISH \ssessment of isoflavonoid concentrations in Australian bovine milk samples R. A. Kina. M. M. Mano and R.J. Heap Nutritional value of the non-protein N that accumulates during growth of proteinase-positive strains of Lactococcus lactis in milk for dairy lactococcal and leuconostoc isolates Fovucaup, S. FuRLAN P. BELLENGIER, V. JUILLARD and J. RiIcHARD In vivo nuclear magnetic resonance study of citrate metabolism in Pro pronibacterium fre ude nreichii subsp shermanii C DEBORDE DD B ROLIN A. Bonpnon, J. D. pe CertTaArNes and P. Boyaval Short communications Isolation of specific oligoclonal antibodies against bovine a,,-casein by FPLC tandem immunoaffinity of the polyclonal antibodies L. Moto ('. MARCHISANO and F. AppEO Distribution of plasminogen activator forms in different fractions of buffalo milk F. Fanruz, A. BaLpt, V. DeLL’ortTo, F. PoLipori, C.S. Rossi [. Potrris and C. HEEGAARD No } (October 1998S Metabolic and productive responses of dairy cows to increased ion sup plementation at early lactation in warm weather N. SILANIKOVE K. Maurz, D. SHinper, E. Boaix, T. BAStTHOLM, N. J. CHRISTENSEN and P. NORGGARRD Kinetics of the renneting reaction followed by measurement of turbidity as a function of wavelength S. B. LomnHoir, P. Worntine, L. OGENDAL K. B. Qvisr, D. B. HysLop and R. Bauer Effect of interactions between denatured whey proteins and casein micelles on the formation and rheological properties of acid skim milk gels J. A. Lucey, M. TAMEHANA, H. StnGu and P. A. Munro Identification of a phosphopeptide in bovine a,,-casein digest as a factor influencing proliferation and immunoglobulin production in lymphocyte cultures I. Hara, S. HiGasuryama and H. Oran! Formation of homocitrulline during heating of milk A. A. M. Merwa tui, W.L. LAMMers and M. A. J. 8. vAN BORKEL Sterol oxidation in infant milk formulas and milk cereals P. ZuNIN. C. CALCAGNO and F. EVANGELISTI Concentrated bovine colostral whey proteins trom Streptococcus mutans Strep. sobrinus immunized cows inhibit the adherence of Strep. mutans and promote the aggreg‘ga tion of mutans streptococci V. LOIMARANTA, A. CARLEN, J. OLSSON, J." renovuo, E.-L. Syvaosa and H. KoRHONEN C'ontents Autolysis of Lactobacillus helveticus and Propionibacterium fre udenreichii in Swiss cheeses: first evidence by using species-specific lysis markers F. VALENCE, R. Ricuoux, A. Turerry, A. PALva and 8S. Lorta Effect ot the cy steine proteinase from Micrococcus sp INIA 528 on the ripening process of Hispanico cheese A. F. MoHEDANO, J. FERNANDEZ, P. Gaya, M. Meprna and M. NuNEz Accelerated ripening of Pecorino Umbro cheese A. Corsetti, M. GOBBETTI, E. Smaccui, M. De ANGELIs and J. Ross! ELISA for differential quantitation of plasmin and plasminogen in cheese D. Dupont and R. GRAPPIN Effect of rennet concentration and method of coagulation on the texture of Feta cheeses made from ultrafiltered milk H. Wrum and K. B. Qvist Proteolysis and its role in relation to texture of Feta cheese made from ultrafiltered milk with different amounts of rennet H. Wivm, K. R. KRisTIANSEN and K. B. QvistT Simple flow injection analysis system for determination of added sugars in dairy products E. Corton and G LOCASCIO Short communications Modification of postmilking standing time by altering feed availability J).W.Tyver, B.J.Streevens, J.M.Houie, 8.M.Crovucner and K. L. ANDERSON Pressure in the teat cistern and the mouth of the calf during suckling M. D. Rasmussen and M. MAynvTz . Productive and reproductive performance in cattle infected with bovine leukosis virus J. L. DANGe ino, M. Garcia and E. H. Bircer Comparison of immunomodulatory properties of purified lactoferrin, lac toperoxidase and f-casein in sheep C.W.Wone, D. L. Watson, G. O. ReGesTer and G. W. SMITHERS a