diff --git a/Lab5/Lab5.Exercises.Register/Animals.csv b/Lab5/Lab5.Exercises.Register/Animals.csv
index 3992d20..bec0dcc 100644
--- a/Lab5/Lab5.Exercises.Register/Animals.csv
+++ b/Lab5/Lab5.Exercises.Register/Animals.csv
@@ -6,4 +6,5 @@ DOG;123;Reksas;Buldogas;2014-01-01;Male;true
 DOG;415;Pifas;Taksas;2014-07-07;Male;true
 DOG;420;Markas;Dalmantinas;2013-02-28;Female;false
 DOG;123;Reksas;Buldogas;2014-01-01;Male;true
-CAT;987;Garfildas;Princas;2008-04-10;Male
\ No newline at end of file
+CAT;987;Garfildas;Princas;2008-04-10;Male
+GUINEA_PIG;989;Micius;Princese;2008-04-10;Female
diff --git a/Lab5/Lab5.Exercises.Register/GuineaPig.cs b/Lab5/Lab5.Exercises.Register/GuineaPig.cs
new file mode 100644
index 0000000..84d7a27
--- /dev/null
+++ b/Lab5/Lab5.Exercises.Register/GuineaPig.cs
@@ -0,0 +1,12 @@
+
+using System;
+
+namespace Lab5.Exercises.Register
+{
+    class GuineaPig : Animal
+    {
+        public GuineaPig(int id, string name, string breed, DateTime birthDate, Gender gender) : base(id, name, breed, birthDate, gender)
+        {
+        }
+    }
+}
diff --git a/Lab5/Lab5.Exercises.Register/InOutUtils.cs b/Lab5/Lab5.Exercises.Register/InOutUtils.cs
index 199ed8f..674202b 100644
--- a/Lab5/Lab5.Exercises.Register/InOutUtils.cs
+++ b/Lab5/Lab5.Exercises.Register/InOutUtils.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Text;
@@ -47,6 +47,10 @@ namespace Lab5.Exercises.Register
                         Cat cat = new Cat(id, name, breed, birthDate, gender);
                         animals.Add(cat);
                         break;
+                    case "GUINEA_PIG":
+                        GuineaPig guineaPig = new GuineaPig(id, name, breed, birthDate, gender);
+                        animals.Add(guineaPig);
+                        break;
                     default:
                         break;//unknown type
                 }