Table Of Content

JOURNAL OF DAIRY RESEARCH EDITED BY lL E.SAMBROOK E.C. NEEDS Science and Technology Centre, Earley Gate, Whiteknights Road, Reading RG6 6BZ, UK Consulting Editors L. K. CREAMER B. A. LAW R.G. VERNON Assistant Editors B. F. BONE D.COLLETT S.M. KINGMAN C.J. WILDE a5) CAMBRIDGE i) UNIVERSITY PRESS VOLUME 67, 2000 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, VIC 3166, Australia © Proprietors of Journal of Dairy Research 2000 Printed in the United Kingdom by the University Press, Cambridge Contents No. 1 (February 2000) Original articles Effects of sodium fertilizers and supplements on milk production and mammary gland health C. J.C. Patiures, P. C. Cary, D. R. ARNEyY and O. Kart . Effects of morphine and naloxone on the release of oxytocin and on milk ejection in dairy cows V. Tancin, W.-D. Kraetzi and D. ScHAMsS Heterogeneity of cationic amino acid transport systems in mouse mammary gland and their regulation by lactogenic hormones R. SHARMA and V. K. KANSAL High-pressure treatment of milk: effects on casein micelle structure and on c=) enzymic coagulation E.C. Negeps, R.A. Srennine, A. L. Ginn, V. Frerraacu and G. T. Ricu Purification of goat /-lactoglobulin from whey by an ultrafiltration membrane enzymic reactor F. SANNIER, S. BORDENAVE and J. M. Prior . Angiotensin I-converting enzyme inhibitory properties of whey protein digests: concentration and characterization of active peptides A. PrHLANTO-LEPPALA, P. Koskinen, K. PrrLoLa and H. KoRHONEN Inability of dairy propionibacteria to grow in milk from low inocula P. Pivereav, 8S. Conpon and T. M. CoGan Physicochemical, molecular and immunological characterization of camel calf rennet: a comparison with buffalo rennet E. 1. ELEGamMy Method of quantifying the loss of acidification activity of lactic acid starters during freezing and frozen storage F. Fonseca, C. BEAL and G. CorrIEU Application of capillary electrophoresis to the characterization of processed cheeses B. Mrrauues, M. Ramos and L. Amico Short communications Ultrasound technique for measuring mammary cistern size of dairy ewes A. Nupba, G. Puurya, R. VALLEBELLA, R. Bencrnt and G. ENNE Expression polymorphism of x-casein gene in Holstein cows G. ROBITAILLE and D. PETITCLERC. Distribution of nitrogen in goats’ milk and use of capillary electrophoresis to determine casein fractions A. Garcta-Ruiz, R. Lopez-FanprNo, L. Lozapa, J. Fonrecua, M. J. FraGa and M. JUAREZ Microbial resistance of caseinate films crosslinked by gamma irradiation M. Ressovany, C. Vacuon and M. Lacrorx . In vitro digestion of caseinophosphopeptide—iron complex N. Ait-OUKHATAR, S. Bounauyas, F. Bureau, P. ARHAN, J.-L. Mavusots and D. L. BouGLe Contents Influence of ions on growth and production of exopolysaccharides by Lactobacillus delbrueckii subsp. bulgaricus NCFB 2772 G. J. GROBBEN, I.C. Borts, J. Suxkema, M. R. Smrru and J. A. M. De Bont No. 2 (May 2000) Original articles Effects of supplementation of dairy cattle with fish oil on silage intake, milk yield and milk composition T.W.J. Keapy, C.S. Mayne and D. A. FITZPATRICK Mammary infection with Staphylococcus aureus in cows: progress from inoculation to chronic infection and its detection E. SHOSHANT, G. LeITNER, B. Hanocut, A. SARAN, N. Y. SHPIGEL and A. BERMAN . Simulation analysis of substrate utilization in the mammary gland of lactating cows G. G. CHEREPANOV, A. DANF&R and J. P. Cant Effects of yeast expressed recombinant interleukin-2 and interferon-y on physiological changes in bovine mammary glands and on bactericidal activity of neutrophils D. N. Weptock, E. E. Doorn, N. A. PARLANE, S. J. Lacy-Hu.Bert, M. W. Wootrorp and B. M. BuDDLE Effect of storage at 4 °C on the physicochemical and renneting properties of milk: a comparison of caprine, ovine and bovine milks K. RayNAL and F. REMEUF . Capillary electrophoresis characterization of the casein fraction of cheeses made from cows’, ewes’ and goats’ milks E. Motina, M. DE Fruros and M. Ramos Characterization of genetic polymorphism in the goat /-lactoglobulin gene R. N. Pena, A. SANcHEz and J. M. Fotcna Stability of vitamins during the storage of liquid infant milks S. ALBALA- Hurtapo, M. T. Vectana-Nocuks, E. Rrera-VAuis, A. MARINE-FoNT and M.C. Vipa-CaRov . Accumulation of casein-derived peptides during the growth of proteinase- positive strains of Lactococcus lactis in milk: their contribution to subsequent bacterial growth is impaired by their internal transport C. Foucaup and V. JUMLLARD Fatty acid composition and freeze-thaw resistance in lactobacilli A. GOMEz ZavaGuia, E. A. Disatvo and G. L. De Antoni Chemiluminescence of bovine polymorphonuclear leucocytes during the periparturient period and relation with metabolic markers and bovine pregnancy-associated glycoprotein D. HorBen, E. Monrarpint, G. OpsoMER, C. BuRVENICH, H. Dosoene, A. DE Kruir and J.-F. BECKERS Autolysis and related proteolysis in Swiss cheese for two Lactobacillus helveticus strains F. VaLence, S.-M. Deutscu, R. RicHoux, V. GAGNAIRE and 8S. LortaL Contents Odour-impact compounds of Gorgonzola cheese L. Moro, P. Promprno and F. ADDEO Short communications Milk whey protein concentration and mRNA associated with #-lactoglobulin phenotype C. G. Prosssr, S.-A. TURNER, R. D. McLaren, B. LANGLEY, P. J. L’wurmuer, P. Moan and M. J. AULDIST k-Casein and /-casein alleles in crossbred Zebu cattle from India using polymerase chain reaction and sequence-specific oligonucleotide probes S. Mark, 8. Kumar and R. Rant Effect of somatic milk count and polymorphonuclear leucocyte content of milk on composition and proteolysis during ripening of Swiss-type cheese S. Coongy, D. Trernan, P. Joyce and A. L. KELLY No. 3 (August 2000) Original articles Changes in cow teat tissue created by two types of milking cluster J. E. HILLeRTON, I. Onnstap, J. R. Barnes and K. A. Leacu Effect of teatcup liner tension on teat canal keratin and teat condition in cows A. V. Capuco, D. L. Woop and J. W. Quast . Comparison of heat and pressure treatments of skim milk, fortified with whey protein concentrate, for set yogurt preparation: effects on milk proteins and gel structure E. C. NEEps, M. Capeuuas, A. P. BLANb, P. Manos, D. MacDovuaat and G. Pau. Chromatographic characterization of ovine x-casein macropeptide F. J. Moreno, I. Recio, A. OLANO and R. LopEz-FanpDINOo Mineral and casein equilibria in milk: effects of added salts and calcium- chelating agents P. UpasBaace, I. R. McKinnon and M.-A. AUGUSTIN Flavour sulphides are produced from methionione by two different pathways by Geotrichum candidum Y. DemMariany, C. BERGER, N. DESMASURES, M. GUEGUEN and H. E. SprinnLer DNA fingerprinting of thermophilic lactic acid bacteria using repetitive sequence-based polymerase chain reaction P. J. De URRazza, A. GOMEz- ZAVAGLIA, M. E. Lozano, V. Romanowski and G. L. De ANTONI . Coagulating and lipolytic activities of artisanal lamb rennet pastes M. BusTaMENTE, F. CHAVARRI, A. SANTISTEBAN, G. CEBALLOS, I. HERNANDEZ, M. J. Miaguf&xiez, I. ARANBURU, L. J. R. BARRON, M. Virto and M. RENOBALES. Standardized reaction times used to describe the mechanism of enzyme- induced gelation in whey protein systems R. Ipsen, J. Orre, S. B. LoMHOLT and K. B. QvistT Rheological properties of milk gels formed by a combination of rennet and glucono-d-lactone J.A . Lucey, M. TamMeHAna, H. Srneu and P. A. Munro Contents Short communications Relatedness of Staphylococcus aureus isolates from bovine mammary gland suffering from mastitis in a single herd M. ZscuOck, J. SOMMERHAUSER and H. CASTANEDA . Composition of the sterol fraction of caprine milk fat by gas chromatography and mass spectrometry M.J. Fraca, J. Fontecua, L. Lozapa, I. Martinéz-Castro and M. JUAREZ . Effect of £-lactoglobulin polymorphism on milk-related traits of dairy ewes analysed by a repeated measures design P. Giaccone, L. Distasio, N. P. P. Macciorra, B. PorTtoLano, M. Toparo and A. Cappio-BoRLINO Action of cardosin A from Cynara humilis on ovine and caprine caseinates S. V. Sirva and F. X. Matcata Involvement of a pasteurizer in the contamination of milk by Bacillus cereus in a commercial dairy plant B. SvENsson, A. ENEROTH, J. BRENDEHAUG, G. Moin and A. CHRISTIANSSON Lipolysis and oxidative stability of soft ripened cheeses containing vegetable oils A. DurtnG, 8S. Mazerre, N. ComBe and B. ENTRSSANGLES No. + (November 2000) Original articles Cortisol and ACTH release in dairy cows in response to machine milking after pretreatment with morphine and naloxone V. Tancérn, D. ScHAMS and W.-D. Kraetzi Mechanism of glycine transport in mouse mammary tissue G. REHAN, V. K. KansaL and R. SHARMA . Treatment of acute Escherichia coli mastitis in cows with enrofloxacin: effect on clinical signs and chemiluminescence of circulating neutrophils D. Hoesen, E. MonrarDINI, C. BURVENICH and J. HAMANN. Role of endotoxin and TNF-a in the pathogenesis of experimentally induced mastitis in periparturient cows D. Horspen, C. Burventcu, E. TREVISI, G. Bertoni, J. HAMANN, R. M. BRUCKMAIER and J. W. BLUM Dynamic programming to investigate financial impacts of mastitis control decisions in milk production systems C. YAaLcrin and A. W. Storr. Qualitative and quantitative analysis of phosphorylated compounds in milk by means of **P-NMR J. BeLLoqug, M. A. De La FuENTE and M. Ramos Effect of rabbit x-casein expression on the properties of milk from transgenic mice L. Hrripi, M. Baranyi, L. Szano, 8. Toru, M.-L. Fontrarne, E. Devinoy and Z. BoszE Characterization of a goat whey peptic hydrolysate produced by an ultrafiltration membrane enzymic reactor S. BORDENAVE, F. SANNIER, G. Ricart and J.-M. Prior Role of Yersinia intermedia and Pseudomonas putida in the development of a fruity off-flavour in pasteurized milk F. B. WuitrieLp, N. JENSEN and K. J. SHaw Contents Metabolism of lactose and citrate by mutants of Lactococcus lactis producing excess carbon dioxide A. EL Arrar, C. Monnet and G. CorriEU Varying influence of the autolysin, V-acetyl muramidase, and the cell envelope proteinase on the rate of autolysis of six commercial Lactococcus lactis cheese starter bacteria grown in milk S. Govrnpasamy-Lucey, P. K. GopaL, P. A. SULLIVAN and C. J. PILLIDGE Effect of partial hydrolysis with an immobilized proteinase on thermal gelation propeof r#-ltacitogelobsuli n B. J. Orre, S. B. LomHOort , R. IpSEN and K. B. Qvist 'H nuclear magnetic resonance relaxometric characterization of fat and water states in soft and hard cheeses B. CHALAND, F. MARIETTE, P. MARCHAL and J. DE CERTAINES 609 Short communications Effect of pasteurization at 76 and 63 °C on the absorption of colostral IgG in calves J. W. Tyuer, J. Lakritz, D. E. Hostetter, V. Dovetas, D. M. WEAVER, B. J. STEEVENS, J. HOLLE and J. DENBIGH Characterization of peptides produced by the action of psychrotrophic proteinases on «-casein I. Recto, M. R. Garcta-Risco, M. Ramos and R. LOPEZ-FANDINO Sequence analysis of porcine polymeric immunoglobulin receptor from mammary epithelial cells present in colostrum H. Kumura, T. Song, K.-I. SHimazaki and E. Kopayasui Thermal stability of acid proteinases M. K. WaLsH and X. Li Method for the selection of Lactococcus lactis mutants producing excess carbon dioxide A. EL Arrar, C. Monnet, F. Aymgs and G. Corrieu