EGG SHELL QUALITY. II: EFFECT OF DIETARY MANIPULATIONS OF PROTEIN, AMINO ACIDS, ENERGY, AND CALCIUM IN YOUNG HENS ON EGG WEIGHT, SHELL WEIGHT, SHELL QUALITY, AND EGG PRODUCTIONROLAND DA SR.1980; POULT. SCI.; ISSN 0032-5791; USA; DA. 1980; VOL. 59; NO 9; PP. 2047-2054; BIBL. 5 REF.Article

THE LACK OR RESPONSE OF 25-HYDROXY-VITAMIN D₃ ON EGG SHELL QUALITY OR OTHER CRITERIA IN LAYING HENS.ROLAND DA SR; HARMS RH.1976; POULTRY SCI.; U.S.A.; DA. 1976; VOL. 55; NO 5; PP. 1983-1985; BIBL. 5 REF.Article

CIRCADIAN RHYTHMS OF SERUM CALCIUM IN HENS AND THE RELATIONSHIP OF SERUM CALCIUM TO SHELL QUALITYSLOAN DR; ROLAND DA SR; HARMS RH et al.1974; POULTRY SCI.; U.S.A.; DA. 1974; VOL. 53; NO 6; PP. 2003-2009; BIBL. 13REF.Article

THE ABILITY OF HENS TO MAINTAIN CALCIUM DEPOSITION IN THE EGG SHELL AND EGG YOLK AS THE HEN AGES.ROLAND DA SR; SLOAN DR; HARMS RH et al.1975; POULTRY SCI.; U.S.A.; DA. 1975; VOL. 54; NO 5; PP. 1720-1723; BIBL. 4 REF.Article

THE EFFECT OF CROPECTOMY ON SELECTED REPRODUCTIVE AND PHYSIOLOGICAL CHARACTERISTICS OF LAYING HENS. = L'EFFET DE L'ABLATION DU JABOT SUR LA PHYSIOLOGIE ET LA REPRODUCTION DE POULES PONDEUSESSTONEROCK RH; ROLAND DA SR; VOITLE RA et al.1975; POULTRY SCI.; U.S.A.; DA. 1975; VOL. 54; NO 1; PP. 288-294; BIBL. 9 REF.Article

THE ABILITY OF HENS TO REGULATE PHOSPHORUS INTAKE WOHEN OFFERED DIETS CONTAINING DIFFERENT LEVELS OF PHOSPHORUS.HOLCOMBE DJ; ROLAND DA SR; HARMS RH et al.1976; POULTRY SCI.; U.S.A.; DA. 1976; VOL. 55; NO 1; PP. 308-317; BIBL. 16 REF.Article

STATUS OF THE DIGESTIVE SYSTEM AND TIBIAE OF CROPECTOMIZED HENS AT NIGHT. = ETAT DU SYSTEME DIGESTIF ET DU TIBIA CHEZ LES POULES PRIVEES DE LEUR JABOT AU COURS DE LA NUITSTONEROCK RH; ROLAND DA SR; VOITLE RA et al.1975; POULTRY SCI.; U.S.A.; DA. 1975; VOL. 54; NO 2; PP. 466-472; BIBL. 7 REF.Article

CALCIUM METABOLISM IN THE LAYING HEN. II. PATTERNS OF CALCIUM INTAKE, SERUM CALCIUM, AND FECAL CALCIUM = METABOLISME DU CALCIUM CHEZ LA POULE QUI POND. II. ECHANTILLONS DU CALCIUM INGERE, CALCIUM SERIQUE ET CALCIUM FECALROLAND DA SR; SLOAN DR; HARMS RH et al.1972; POULTRY SCI.; U.S.A.; DA. 1972; VOL. 51; NO 3; PP. 782-787; BIBL. 13 REF.Article

HYPERCALCEMIC EFFECT OF POTASSIUM IODIDE ON SERUM CALCIUM IN DOMESTIC FOWL.ROLAND DA SR; MC CREADY ST; STONEROCK RH et al.1977; POULTRY SCI.; U.S.A.; DA. 1977; VOL. 56; NO 4; PP. 1310-1314; BIBL. 20 REF.Article

RELATIONSHIP OF CALCIUM TO REPRODUCTIVE ABNORMALITIES IN THE LAYING HEN (GALLUS DOMESTICUS) = RELATION ENTRE CA ET ANOMALIES DE LA REPRODUCTION CHEZ LA POULE PONDEUSE (G. D.)ROLAND DA SR; SLOAN DR; WILSON HR et al.1974; J. NUTRIT.; U.S.A.; DA. 1974; VOL. 104; NO 8; PP. 1079-1085; BIBL. 23REF.Article