diff --git a/package-lock.json b/package-lock.json
index c0538988..1d9d1792 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -36,6 +36,7 @@
         "ngx-toastr": "^18.0.0",
         "primeflex": "^3.3.1",
         "primeicons": "^7.0.0",
+        "primelocale": "^1.0.3",
         "primeng": "^17.18.0",
         "rxjs": "~7.8.1",
         "tslib": "^2.6.2",
@@ -12853,6 +12854,15 @@
       "resolved": "https://registry.npmjs.org/primeicons/-/primeicons-7.0.0.tgz",
       "integrity": "sha512-jK3Et9UzwzTsd6tzl2RmwrVY/b8raJ3QZLzoDACj+oTJ0oX7L9Hy+XnVwgo4QVKlKpnP/Ur13SXV/pVh4LzaDw=="
     },
+    "node_modules/primelocale": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/primelocale/-/primelocale-1.0.3.tgz",
+      "integrity": "sha512-a0VuhQLgUge4IJG2RKpMJSDYHuYIAd2kcqQy/quyx8UyM1/m7Uvt9hFKoFL0QAbZZyHIVHobVmGWAOJN8d7COQ==",
+      "engines": {
+        "node": ">=12.0.0",
+        "npm": ">=6.0.0"
+      }
+    },
     "node_modules/primeng": {
       "version": "17.18.9",
       "resolved": "https://registry.npmjs.org/primeng/-/primeng-17.18.9.tgz",
diff --git a/package.json b/package.json
index 53659e1f..90a2215a 100644
--- a/package.json
+++ b/package.json
@@ -42,6 +42,7 @@
     "ngx-toastr": "^18.0.0",
     "primeflex": "^3.3.1",
     "primeicons": "^7.0.0",
+    "primelocale": "^1.0.3",
     "primeng": "^17.18.0",
     "rxjs": "~7.8.1",
     "tslib": "^2.6.2",
diff --git a/projects/ng-core-tester/src/app/app.component.ts b/projects/ng-core-tester/src/app/app.component.ts
index 057a7d42..e8acd69e 100644
--- a/projects/ng-core-tester/src/app/app.component.ts
+++ b/projects/ng-core-tester/src/app/app.component.ts
@@ -15,7 +15,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 import { Component, OnInit, inject } from '@angular/core';
-import { CoreConfigService, RecordEvent, RecordService, TitleMetaService, TranslateService } from '@rero/ng-core';
+import { CoreConfigService, RecordEvent, RecordService, TitleMetaService } from '@rero/ng-core';
 import { MenuItem, MessageService } from 'primeng/api';
 
 /**
@@ -28,7 +28,7 @@ import { MenuItem, MessageService } from 'primeng/api';
 export class AppComponent implements OnInit {
 
   /** Service injection */
-  translateService = inject(TranslateService);
+  // translateService = inject(TranslateService);
   configService = inject(CoreConfigService);
   titleMetaService = inject(TitleMetaService);
   recordService = inject(RecordService);
@@ -57,7 +57,7 @@ export class AppComponent implements OnInit {
    */
   ngOnInit() {
     this.initializeEvents();
-    this.translateService.setLanguage(this.lang);
+    // this.translateService.setLanguage(this.lang);
     // Set default title window when application start
     const prefix = this.configService.prefixWindow;
     if (prefix) {
diff --git a/projects/ng-core-tester/src/app/app.module.ts b/projects/ng-core-tester/src/app/app.module.ts
index 0f117d10..683a4939 100644
--- a/projects/ng-core-tester/src/app/app.module.ts
+++ b/projects/ng-core-tester/src/app/app.module.ts
@@ -21,9 +21,7 @@ import { BrowserModule } from '@angular/platform-browser';
 import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
 import { TranslateLoader as BaseTranslateLoader, TranslateModule } from '@ngx-translate/core';
 import { CoreConfigService, RecordModule, RecordService, RemoteAutocompleteService, TranslateLoader } from '@rero/ng-core';
-import { defineLocale } from 'ngx-bootstrap/chronos';
 import { CollapseModule } from 'ngx-bootstrap/collapse';
-import { deLocale, enGbLocale, frLocale, itLocale } from 'ngx-bootstrap/locale';
 import { TypeaheadModule } from 'ngx-bootstrap/typeahead';
 import { MenubarModule } from 'primeng/menubar';
 import { AppConfigService } from './app-config.service';
@@ -32,12 +30,12 @@ import { AppComponent } from './app.component';
 import { AppDialogComponent } from './home/dialog/app-dialog.component';
 import { HomeComponent } from './home/home.component';
 import { ToastComponent } from './home/toast/toast.component';
+import { MenuComponent } from './menu/menu.component';
 import { DetailComponent } from './record/document/detail/detail.component';
 import { DocumentComponent } from './record/document/document.component';
 import { EditorComponent } from './record/editor/editor.component';
 import { RecordServiceMock } from './record/editor/record-service-mock';
 import { SearchBarComponent } from './search-bar/search-bar.component';
-import { MenuComponent } from './menu/menu.component';
 import { AppRemoteAutocompleteService } from './service/app-remote-autocomplete.service';
 
 @NgModule({
@@ -86,16 +84,4 @@ import { AppRemoteAutocompleteService } from './service/app-remote-autocomplete.
     ],
     bootstrap: [AppComponent]
 })
-export class AppModule {
-  availableLocales = {
-    de: deLocale,
-    en: enGbLocale,
-    fr: frLocale,
-    it: itLocale
-  };
-  constructor() {
-    Object.keys(this.availableLocales).forEach(locale => {
-      defineLocale(locale, this.availableLocales[locale]);
-    });
-  }
-}
+export class AppModule {}
diff --git a/projects/rero/ng-core/src/lib/core.module.ts b/projects/rero/ng-core/src/lib/core.module.ts
index 81d1ed10..3e848395 100644
--- a/projects/rero/ng-core/src/lib/core.module.ts
+++ b/projects/rero/ng-core/src/lib/core.module.ts
@@ -16,9 +16,9 @@
  */
 import { CommonModule } from '@angular/common';
 import { HttpClient } from '@angular/common/http';
-import { NgModule } from '@angular/core';
+import { APP_INITIALIZER, NgModule } from '@angular/core';
 import { RouterModule } from '@angular/router';
-import { TranslateLoader as BaseTranslateLoader, TranslateModule } from '@ngx-translate/core';
+import { TranslateLoader as BaseTranslateLoader, TranslateModule, TranslateService } from '@ngx-translate/core';
 import { BsDropdownModule } from 'ngx-bootstrap/dropdown';
 import { ModalModule } from 'ngx-bootstrap/modal';
 import { NgxSpinnerModule } from 'ngx-spinner';
@@ -47,6 +47,15 @@ import { TranslateLanguagePipe } from './translate/translate-language.pipe';
 import { TranslateLoader } from './translate/translate-loader';
 import { MenuComponent } from './widget/menu/menu.component';
 import { SortListComponent } from './widget/sort-list/sort-list.component';
+import { NgCoreTranslateService } from './translate/translate-service';
+import { Observable, of } from 'rxjs';
+
+function initializeAppFactory(translateService: NgCoreTranslateService): () => Observable<any> {
+  return () => {
+    translateService.initialize();
+    return of(true);
+  };
+}
 
 @NgModule({
     declarations: [
@@ -115,7 +124,14 @@ import { SortListComponent } from './widget/sort-list/sort-list.component';
     providers: [
       ComponentCanDeactivateGuard,
       ConfirmationService,
-      MessageService
+      MessageService,
+      { provide: TranslateService, useValue: NgCoreTranslateService },
+      {
+        provide: APP_INITIALIZER,
+        useFactory: initializeAppFactory,
+        deps: [NgCoreTranslateService],
+        multi: true
+      }
     ]
 })
 export class CoreModule { }
diff --git a/projects/rero/ng-core/src/lib/translate/date-translate-pipe.spec.ts b/projects/rero/ng-core/src/lib/translate/date-translate-pipe.spec.ts
index 2da49203..bea6a614 100644
--- a/projects/rero/ng-core/src/lib/translate/date-translate-pipe.spec.ts
+++ b/projects/rero/ng-core/src/lib/translate/date-translate-pipe.spec.ts
@@ -16,7 +16,7 @@
  */
 import { EventEmitter } from '@angular/core';
 import { DateTranslatePipe } from './date-translate-pipe';
-import { TranslateService } from './translate-service';
+import { TranslateService } from './translate-service_old';
 import en from '@angular/common/locales/en-GB';
 import { registerLocaleData } from '@angular/common';
 
diff --git a/projects/rero/ng-core/src/lib/translate/date-translate-pipe.ts b/projects/rero/ng-core/src/lib/translate/date-translate-pipe.ts
index 06eaca5e..5c6e47fe 100644
--- a/projects/rero/ng-core/src/lib/translate/date-translate-pipe.ts
+++ b/projects/rero/ng-core/src/lib/translate/date-translate-pipe.ts
@@ -15,31 +15,23 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 import { DatePipe } from '@angular/common';
-import { Inject, Pipe, PipeTransform } from '@angular/core';
-import { TranslateService } from './translate-service';
+import { inject, Pipe, PipeTransform } from '@angular/core';
+import { TranslateService } from '@ngx-translate/core';
 
 @Pipe({
   name: 'dateTranslate',
   pure: false, // required to update the value when the promise is resolved
 })
 export class DateTranslatePipe extends DatePipe implements PipeTransform {
-  /**
-   * Constructor.
-   *
-   * @param translateService Translate service.
-   */
-  constructor(
-    @Inject(TranslateService) private translateService: TranslateService
-  ) {
-    super(translateService.currentLanguage);
-  }
+
+  translateService = inject(TranslateService);
 
   transform(value: Date | string | number, format?: string, timezone?: string, locale?: string): string | null;
   transform(value: null | undefined, format?: string, timezone?: string, locale?: string): null;
   transform(value: Date | string | number | null | undefined, format?: string, timezone?: string, locale?: string): string | null
   {
     if (!locale) {
-      locale = this.translateService.currentLanguage;
+      locale = this.translateService.currentLang;
     }
 
     if (locale === 'en') {
diff --git a/projects/rero/ng-core/src/lib/translate/primeng/de.json b/projects/rero/ng-core/src/lib/translate/primeng/de.json
deleted file mode 100644
index 7c8f8d29..00000000
--- a/projects/rero/ng-core/src/lib/translate/primeng/de.json
+++ /dev/null
@@ -1,55 +0,0 @@
-
-{
-  "startsWith":"startet mit",
-  "contains":"enhält",
-  "notContains":"enthält nicht",
-  "endsWith":"endet mit",
-  "equals":"gleich",
-  "notEquals":"nicht gleich",
-  "noFilter":"kein Filter",
-  "lt":"weniger als",
-  "lte":"weniger oder gleich wie",
-  "gt":"größer als",
-  "gte":"größer oder gleich wie",
-  "dateIs":"Datum ist",
-  "dateIsNot":"Datum ist nicht",
-  "dateBefore":"Datum ist vor",
-  "dateAfter":"Datum ist nach",
-  "custom":"Benutzerdefiniert",
-  "apply":"Übernehmen",
-  "matchAll":"Passt auf alle",
-  "matchAny":"Passt auf einige",
-  "addRule":"Regel hinzufügen",
-  "removeRule":"Regel entfernen",
-  "accept": "Ja",
-  "reject": "Nein",
-  "choose": "Auswählen",
-  "upload": "Upload",
-  "cancel": "Abbruch",
-  "dayNames": ["Sonntag", "Montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samstag"],
-  "dayNamesShort": ["Son", "Mon", "Die", "Mit", "Don", "Fre", "Sam"],
-  "dayNamesMin": ["So", "Mo", "Di", "Mi", "Do", "Fr", "Sa"],
-  "monthNames": ["Januar", "Februar", "März", "April", "Mai", "Juni", "Juli", "August", "September", "Oktober", "November", "Dezember"],
-  "monthNamesShort": ["Jan", "Feb", "Mär", "Apr", "Mai", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dez"],
-  "today": "Heute",
-  "clear": "Löschen",
-  "weekHeader": "Wo",
-  "firstDayOfWeek": 1,
-  "dateFormat": "dd.mm.yy",
-  "weak": "Schwach",
-  "medium": "Mittel",
-  "strong": "Stark",
-  "passwordPrompt": "Passwort eingeben",
-  "emptyFilterMessage":"Keine Einträge gefunden",
-  "emptyMessage": "Keine Einträge gefunden",
-  "aria": {
-    "trueLabel": "Richtig",
-    "falseLabel": "Falsch",
-    "nullLabel": "Nicht selektiert",
-    "pageLabel": "Seite",
-    "firstPageLabel": "Erste Seite",
-    "lastPageLabel": "Letzte Seite",
-    "nextPageLabel": "Nächste Seite",
-    "previousPageLabel": "Vorherige Seite"
-  }
-}
diff --git a/projects/rero/ng-core/src/lib/translate/primeng/en.json b/projects/rero/ng-core/src/lib/translate/primeng/en.json
deleted file mode 100644
index 1129c9ff..00000000
--- a/projects/rero/ng-core/src/lib/translate/primeng/en.json
+++ /dev/null
@@ -1,61 +0,0 @@
-
-{
-  "startsWith":"Starts with",
-  "contains":"Contains",
-  "notContains":"Not contains",
-  "endsWith":"Ends with",
-  "equals":"Equals",
-  "notEquals":"Not equals",
-  "noFilter":"No Filter",
-  "filter":"Filter",
-  "lt":"Less than",
-  "lte":"Less than or equal to",
-  "gt":"Greater than",
-  "gte":"Greater than or equal to",
-  "dateIs":"Date is",
-  "dateIsNot":"Date is not",
-  "dateBefore":"Date is before",
-  "dateAfter":"Date is after",
-  "custom":"Custom",
-  "clear":"Clear",
-  "apply":"Apply",
-  "matchAll":"Match All",
-  "matchAny":"Match Any",
-  "addRule":"Add Rule",
-  "removeRule":"Remove Rule",
-  "accept":"Yes",
-  "reject":"No",
-  "choose":"Choose",
-  "upload":"Upload",
-  "cancel":"Cancel",
-  "close":"Close",
-  "dayNames":["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
-  "dayNamesShort":["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
-  "dayNamesMin":["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"],
-  "monthNames":["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
-  "monthNamesShort":["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
-  "today":"Today",
-  "weekHeader":"Wk",
-  "firstDayOfWeek":0,
-  "dateFormat":"mm/dd/yy",
-  "weak":"Weak",
-  "medium":"Medium",
-  "strong":"Strong",
-  "passwordPrompt":"Enter a password",
-  "emptyFilterMessage":"No available options",
-  "emptyMessage":"No results found",
-  "aria": {
-    "trueLabel": "True",
-    "falseLabel": "False",
-    "nullLabel": "Not Selected",
-    "pageLabel": "Page",
-    "firstPageLabel": "First Page",
-    "lastPageLabel": "Last Page",
-    "nextPageLabel": "Next Page",
-    "previousPageLabel": "Previous Page",
-    "selectLabel": "Select",
-    "unselectLabel": "Unselect",
-    "expandLabel": "Expand",
-    "collapseLabel": "Collapse"
-  }
-}
diff --git a/projects/rero/ng-core/src/lib/translate/primeng/fr.json b/projects/rero/ng-core/src/lib/translate/primeng/fr.json
deleted file mode 100644
index 75a405d6..00000000
--- a/projects/rero/ng-core/src/lib/translate/primeng/fr.json
+++ /dev/null
@@ -1,55 +0,0 @@
-
-{
-  "startsWith": "Commence par",
-  "contains": "Contient",
-  "notContains": "Ne contient pas",
-  "endsWith": "Se termine par",
-  "equals": "Egal à",
-  "notEquals": "Différent de",
-  "noFilter": "Aucun filtre",
-  "lt": "Inférieur à",
-  "lte": "Inférieur ou égal à",
-  "gt": "Supérieur à",
-  "gte": "Supérieur ou égal à",
-  "dateIs": "La date est",
-  "dateIsNot": "La date n'est pas",
-  "dateBefore": "Avant le",
-  "dateAfter": "Après le",
-  "custom": "Personnalisé",
-  "clear": "Effacer",
-  "apply": "Appliquer",
-  "matchAll": "Correspond à tous",
-  "matchAny": "Au moins un Correspond",
-  "addRule": "Ajouter une règle",
-  "removeRule": "Retirer une règle",
-  "accept": "Oui",
-  "reject": "Non",
-  "choose": "Choisir",
-  "upload": "Envoyer",
-  "cancel": "Annuler",
-  "dayNames": ["Dimanche", "Lundi", "Mardi", "Mercredi", "Jeudi", "Vendredi", "Samedi"],
-  "dayNamesShort": ["Dim", "Lun", "Mar", "Mer", "Jeu", "Ven", "Sam"],
-  "dayNamesMin": ["Di", "Lu", "Mar", "Mer", "Je", "Ve", "Sa"],
-  "monthNames": ["Janvier", "Février", "Mars", "Avril", "Mai", "Juin", "Juillet", "Août", "Septembre", "Octobre", "Novembre", "Décembre"],
-  "monthNamesShort": ["Jan", "Fev", "Mar", "Avr", "Mai", "Jun", "Jui", "Août", "Sept", "Oct", "Nov", "Dec"],
-  "today": "Aujourd'hui",
-  "weekHeader": "Sem",
-  "firstDayOfWeek": 1,
-  "dateFormat": "dd/mm/yy",
-  "weak": "Faible",
-  "medium": "Moyen",
-  "strong": "Fort",
-  "passwordPrompt": "Saisissez un mot de passe",
-  "emptyMessage": "Aucune option disponible",
-  "emptyFilterMessage": "Aucun résultat trouvé",
-  "aria": {
-    "trueLabel": "Vrai",
-    "falseLabel": "Faux",
-    "nullLabel": "Aucune sélection",
-    "pageLabel": "Page",
-    "firstPageLabel": "Première Page",
-    "lastPageLabel": "Dernière Page",
-    "nextPageLabel": "Page Suivante",
-    "previousPageLabel": "Page Précédente"
-  }
-}
diff --git a/projects/rero/ng-core/src/lib/translate/primeng/it.json b/projects/rero/ng-core/src/lib/translate/primeng/it.json
deleted file mode 100644
index 6df5e28e..00000000
--- a/projects/rero/ng-core/src/lib/translate/primeng/it.json
+++ /dev/null
@@ -1,61 +0,0 @@
-
-{
-  "startsWith": "Inizia con",
-  "contains": "Contiene",
-  "notContains": "Non contiene",
-  "endsWith": "Finisce con",
-  "equals": "Equivale",
-  "notEquals": "Non uguale",
-  "noFilter": "Senza Filtro",
-  "filter": "Filtro",
-  "lt": "Meno di",
-  "lte": "Minore o uguale a",
-  "gt": "Più grande di",
-  "gte": "Maggiore o uguale a",
-  "dateIs": "La data è",
-  "dateIsNot": "La data non lo è",
-  "dateBefore": "La data è precedente",
-  "dateAfter": "La data è dopo",
-  "custom": "Personalizza",
-  "clear": "Cancella tutto",
-  "apply": "Applica",
-  "matchAll": "Abbina tutto",
-  "matchAny": "Abbina qualsiasi",
-  "addRule": "Aggiungi regola",
-  "removeRule": "Rimuovi regola",
-  "accept": "Si",
-  "reject": "No",
-  "choose": "Scegli",
-  "upload": "Carica",
-  "cancel": "Annulla",
-  "close": "Vicino",
-  "dayNames": ["Domenica", "Lunedi", "Martedì", "Mercoledì", "Giovedì", "Venerdì", "Sabato"],
-  "dayNamesShort": ["Dom", "Lun", "Mar", "Mer", "Gio", "Ven", "Sab"],
-  "dayNamesMin": ["Do", "Lu", "Ma", "Me", "Gi", "Ve", "Sa"],
-  "monthNames": ["Gennaio", "Febbraio", "Marzo", "Aprile", "Maggio", "Giugno", "Luglio", "Agosto", "Settembre", "Ottobre", "Novembre", "Dicembre"],
-  "monthNamesShort": ["Gen", "Feb", "Mar", "Apr", "Mag", "Giu", "Lug", "Ago", "Set", "Ott", "Nov", "Dic"],
-  "today": "Oggi",
-  "weekHeader": "Sett",
-  "firstDayOfWeek": 1,
-  "dateFormat": "dd/mm/yy",
-  "weak": "Debole",
-  "medium": "Medio",
-  "strong": "Forte",
-  "passwordPrompt": "Inserisci la password",
-  "emptyFilterMessage": "Nessuna opzione disponibile",
-  "emptyMessage": "nessun risultato trovato",
-  "aria": {
-    "trueLabel": "Vero",
-    "falseLabel": "Falso",
-    "nullLabel": "Non selezionato",
-    "pageLabel": "Pagina",
-    "firstPageLabel": "Prima pagina",
-    "lastPageLabel": "Ultima pagina",
-    "nextPageLabel": "Pagina successiva",
-    "previousPageLabel": "Pagina precedente",
-    "selectLabel": "Selezionare",
-    "unselectLabel": "Deseleziona",
-    "expandLabel": "Espandere",
-    "collapseLabel": "Crollo"
-  }
-}
diff --git a/projects/rero/ng-core/src/lib/translate/translate-service.spec.ts b/projects/rero/ng-core/src/lib/translate/translate-service.spec.ts
deleted file mode 100644
index dee81c5a..00000000
--- a/projects/rero/ng-core/src/lib/translate/translate-service.spec.ts
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * RERO angular core
- * Copyright (C) 2020 RERO
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, version 3 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-import { CoreConfigService } from '../core-config.service';
-import { TranslateService } from './translate-service';
-import { TranslateService as NgxTranslateService } from '@ngx-translate/core';
-import { BsLocaleService } from 'ngx-bootstrap/datepicker';
-import { of } from 'rxjs';
-import { PrimeNGConfig } from 'primeng/api';
-
-class TranslateServiceMock {
-  private language;
-
-  use(lang: string) {
-    this.language = lang;
-    return of({});
-  }
-
-  getBrowserLang() {
-    return 'en';
-  }
-
-  get currentLang() {
-    return this.language;
-  }
-
-  addLangs(languages: Array<string>) {}
-
-  setDefaultLang(lang: string) {}
-}
-
-class BsLocaleServiceMock {
-  use(lang: string) {}
-}
-
-let appTranslateService;
-describe('AppTranslateService', () => {
-  beforeEach(() => {
-    appTranslateService = new TranslateService(
-      new TranslateServiceMock() as unknown as NgxTranslateService,
-      new CoreConfigService(),
-      new BsLocaleServiceMock() as unknown as BsLocaleService,
-      new PrimeNGConfig()
-    );
-  });
-  it('should create an instance', () => {
-    expect(appTranslateService).toBeTruthy();
-  });
-
-  it('should set language on appTranslateService', () => {
-    appTranslateService.setLanguage('fr').subscribe((res) => expect(res).toBeTruthy());
-  });
-
-  it('should get Browser language on appTranslateService', () => {
-    expect(appTranslateService.getBrowserLang()).toBe('en');
-  });
-
-  it('should get Browser language on appTranslateService', () => {
-    expect(appTranslateService.currentLanguage).toBe('en');
-  });
-});
diff --git a/projects/rero/ng-core/src/lib/translate/translate-service.ts b/projects/rero/ng-core/src/lib/translate/translate-service.ts
index 2908ce5f..460c221f 100644
--- a/projects/rero/ng-core/src/lib/translate/translate-service.ts
+++ b/projects/rero/ng-core/src/lib/translate/translate-service.ts
@@ -14,95 +14,57 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-import { registerLocaleData } from '@angular/common';
 import localeDe from '@angular/common/locales/de';
-import localeEnGB from '@angular/common/locales/en-GB';
+import localeEn from '@angular/common/locales/en-GB';
 import localeFr from '@angular/common/locales/fr';
 import localeIt from '@angular/common/locales/it';
-import { Injectable } from '@angular/core';
-import { TranslateService as NgxTranslateService } from '@ngx-translate/core';
-import moment from 'moment';
-import { defineLocale } from 'ngx-bootstrap/chronos';
-import { BsLocaleService } from 'ngx-bootstrap/datepicker';
-import { deLocale, enGbLocale, frLocale, itLocale } from 'ngx-bootstrap/locale';
-import { PrimeNGConfig } from 'primeng/api';
-import { Observable } from 'rxjs';
-import { CoreConfigService } from '../core-config.service';
-import primeNgDe from './primeng/de.json';
-import primeNgEn from './primeng/en.json';
-import primeNgFr from './primeng/fr.json';
-import primeNgIt from './primeng/it.json';
+import { inject, Injectable } from "@angular/core";
+import { TranslateService } from "@ngx-translate/core";
+import moment from "moment";
+import de from 'primelocale/de.json';
+import en from 'primelocale/en.json';
+import fr from 'primelocale/fr.json';
+import it from 'primelocale/it.json';
+import { PrimeNGConfig } from "primeng/api";
+import { Observable } from "rxjs";
+import { CoreConfigService } from "../core-config.service";
+import { registerLocaleData } from '@angular/common';
 
 @Injectable({
   providedIn: 'root'
 })
-export class TranslateService {
-  languages = {
-    de: { ngx: deLocale, angular: localeDe, primeng: primeNgDe },
-    en: { ngx: enGbLocale, angular: localeEnGB, primeng: primeNgEn },
-    fr: { ngx: frLocale, angular: localeFr, primeng: primeNgFr },
-    it: { ngx: itLocale, angular: localeIt, primeng: primeNgIt }
-  };
+export class NgCoreTranslateService extends TranslateService {
 
-  /**
-   * Constructor.
-   *
-   * @param translateService Translate service.
-   * @param coreConfigService Configuration service.
-   * @param bsLocaleService Bootstrap locale service.
-   * @param primeNgConfig PrimeNGConfig service.
-   */
-  constructor(
-    private translateService: NgxTranslateService,
-    private coreConfigService: CoreConfigService,
-    private bsLocaleService: BsLocaleService,
-    private primeNgConfig: PrimeNGConfig
-  ) {
-    this.init();
-  }
+  private primengConfig = inject(PrimeNGConfig);
+  private coreConfigService = inject(CoreConfigService);
 
-  /**
-   * Set the current language.
-   *
-   * @param language the language code in iso format
-   * @returns an Observable of the translations
-   */
-  setLanguage(language: string): Observable<any> {
-    moment.locale(language);
-    this.bsLocaleService.use(language);
-    this.primeNgConfig.setTranslation(this.languages[language].primeng);
-    return this.translateService.use(language);
-  }
+  private locales = {
+    de: { angular: localeDe, primeng: de },
+    en: { angular: localeEn, primeng: en },
+    fr: { angular: localeFr, primeng: fr },
+    it: { angular: localeIt, primeng: it }
+  };
 
-  /**
-   * Return the translation of the given label.
-   * Proxy for "instant" method of the translate service of ngx-translate.
-   * @param key String to translate.
-   * @param interpolateParams Parameters to interpolate.
-   * @return Translated value as string.
-   */
-  translate(key: string | Array<string>, interpolateParams: any = null): string {
-    return this.translateService.instant(key, interpolateParams);
-  }
+  initialize(): void {
+    for (const [key, value] of Object.entries(this.locales)) {
+      registerLocaleData(value.angular, key);
+    }
+    const languages: Array<string> = this.coreConfigService.languages;
+    super.addLangs(languages);
 
-  getBrowserLang() {
-    return this.translateService.getBrowserLang();
+    super.onLangChange.subscribe(translation => {
+      this.use(translation.lang);
+    });
+    super.setDefaultLang(this.coreConfigService.defaultLanguage);
+    if (!super.currentLang) {
+      super.use(this.coreConfigService.defaultLanguage);
+    }
   }
 
-  get currentLanguage(): string {
-    return this.translateService.currentLang
-      || this.coreConfigService.defaultLanguage
-      || 'en-GB';
-  }
+  use(lang: string): Observable<any> {
+    moment.locale(lang);
+    this.primengConfig.setTranslation(this.locales[lang].primeng[lang]);
 
-  private init() {
-    for (const [key, value] of Object.entries(this.languages)) {
-      defineLocale(key, value.ngx);
-      registerLocaleData(value.angular, key);
-    }
-    const languages: Array<string> = this.coreConfigService.languages;
-    this.translateService.addLangs(languages);
-    this.translateService.setDefaultLang(this.coreConfigService.defaultLanguage);
-    this.primeNgConfig.setTranslation(this.languages[this.coreConfigService.defaultLanguage].primeng);
+    return super.use(lang);
   }
 }