diff --git a/application/addAnimal.php b/application/addAnimal.php
index 5c05f5730c27062cec1edad1d3446dcea4a52c87..55082f13e49347364655cf01984cdec5bead08ae 100644
--- a/application/addAnimal.php
+++ b/application/addAnimal.php
@@ -31,7 +31,7 @@
                         $vSt = $vConn->prepare($vSql);
                         $vSt->execute();
 
-                        header('Location: http://tuxa.sme.utc/~bdd0p042/application/animaux.php');
+                        header('Location: http://tuxa.sme.utc/~bdd0p042/application/index.php');
                     }else
                       echo "Il faut donner une espece";
                 }else
diff --git a/application/addClient.php b/application/addClient.php
index 55c66eacfd7827e2bb071480e532bb730d357f14..df5da4ec03c8a65c5d0a7c2a549ecf5380acbbe6 100644
--- a/application/addClient.php
+++ b/application/addClient.php
@@ -40,7 +40,7 @@
         $vSt = $vConn->prepare($vSql);
 				$vSt->execute();
 
-        header('Location: http://tuxa.sme.utc/~bdd0p042/application/clients.php');
+        header('Location: http://tuxa.sme.utc/~bdd0p042/application/index.php');
 			} 
 			catch(PDOException $e)
 			{
diff --git a/application/addTraitement.php b/application/addTraitement.php
index 61bd0a6c8ea4d11f3a2681f95c94a4357cb49058..3ec171b0f9ba01f2bfd4e263b9b06a730e643408 100644
--- a/application/addTraitement.php
+++ b/application/addTraitement.php
@@ -21,7 +21,7 @@
         $duree = $_POST['duree'];
         $qte = $_POST['qteJour'];
 
-        if($qteJour!=""){
+        if($qte!=""){
           if($idAnimal != ""){
             if($idVeterinaire != ""){
                 if($medicament != ""){
@@ -37,7 +37,7 @@
                           $vSt->execute();
 
 
-                          header('Location: http://tuxa.sme.utc/~bdd0p042/application/traitements.php');
+                          header('Location: http://tuxa.sme.utc/~bdd0p042/application/index.php');
                       }else
                         echo "Il faut donner une durée";
                   }else
@@ -49,7 +49,7 @@
           }else
             echo "Il faut donner un animal";
         }else{
-          echo "Il faut donner la quantité"
+          echo "Il faut donner la quantité";
         }
     } catch(PDOException $e){
       echo "Erreur d'insertion '$e'";
diff --git a/application/affichage.php b/application/affichage.php
index bd387ac76f5320121cbc4214669460557fb567ca..116688496e3d660bdd6903629365631b0b1b707b 100644
--- a/application/affichage.php
+++ b/application/affichage.php
@@ -1,5 +1,6 @@
 <?php
 
+include("back.php");
 if ($_POST['affiche'] == "all"){
   include("clients.php");
   include("veterinaires.php");
diff --git a/application/back.php b/application/back.php
new file mode 100755
index 0000000000000000000000000000000000000000..f642b24a5eaa302b84766308b96b7c4bd11c77dd
--- /dev/null
+++ b/application/back.php
@@ -0,0 +1 @@
+<a href="index.php">Accueil</a>
diff --git a/application/especes.php b/application/especes.php
index c3d1263dbc2dfbdd1caeb3ec9c8237aae3dd8e7b..26ab56b96d288c8453769d0d6748af409e2606b9 100644
--- a/application/especes.php
+++ b/application/especes.php
@@ -6,11 +6,11 @@
   </head>
 <body>
   <h1>Information sur les especes</h1>
-  <form action='statEspeces.php' method='post'>  <input  type='submit' value='Statistiques générales'> </form>
+  <form action='statEspeces.php' method='post'><input type='submit' value='Statistiques générales'> </form>
   <table border="1">
     <tr>
-      <th>Classe</th>
       <th>Espece</th>
+      <th>Classe</th>
       <th>Statistique</th>
     </tr>
     <?php
@@ -33,7 +33,7 @@
         echo '<tr>';
         echo "<td>$vResult[0]</td>";
         echo "<td>$vResult[1]</td>";
-  echo "<td><form action='statEspece.php' method='post'> <input type='text' name='espece' value='$vResult[1]' hidden/> <input  type='submit' value='Statistiques générales'> </form> </td>";
+        echo "<td><form action='statEspece.php' method='post'> <input type='text' name='espece' value=$vResult[0] hidden/> <input type='submit' value='Statistique'></form></td>";
         echo '</tr>';
       }
 
diff --git a/application/formulaireClient.php b/application/formulaireClient.php
index fc3c973d41ca274a564b118eb7415a0097726e59..2d742f17ecbae89d824335f82e136d3443a2f5fa 100644
--- a/application/formulaireClient.php
+++ b/application/formulaireClient.php
@@ -3,7 +3,6 @@
     <title>Clinique Vétérinaire</title>
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
   </head>
-
   <body>
     <h1>Ajout d'un client</h1>
 
diff --git a/application/statEspece.php b/application/statEspece.php
index 64c14d3462027f5122c3e3e96aed130fe472130c..426b975096ea594fc0b99cc5aea04e8920dc9479 100644
--- a/application/statEspece.php
+++ b/application/statEspece.php
@@ -3,7 +3,7 @@
   <title>Clinique Vétérinaire</title>
   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
   <link rel="stylesheet" type="text/css" href="style.css">
-  </head>
+</head>
 <body>
   <?php
     include("connexion.php");
@@ -29,11 +29,7 @@
     <?php
 
     try{
-      $vSql ="SELECT A.especenom, AVG(A.poids)
-        FROM Animal A
-        WHERE A.especenom = '$espece'
-        GROUP BY A.especenom;
-      ";
+      $vSql ="SELECT A.especenom, AVG(A.poids) FROM Animal A WHERE A.especenom='$espece' GROUP BY A.especenom";
 
 
       $vSt = $vConn->prepare($vSql);
@@ -59,11 +55,7 @@
     <?php
 
     try{
-      $vSql ="SELECT A.especenom, AVG(A.taille)
-        FROM Animal A
-        WHERE A.especenom = $espece
-        GROUP BY A.especenom;
-      ";
+      $vSql ="SELECT A.especenom, AVG(A.taille) FROM Animal A WHERE A.especenom='$espece' GROUP BY A.especenom";
 
 
       $vSt = $vConn->prepare($vSql);
