小白：

• MP - Mouse pups 1-2g 
• XP - Baby pinks XXL 3-4g
• MF - Mouse Fluff 5-7g
• SM - Small Mice 8-15g
• RM - Regular Mice 15-25g
• LM - Large Mice 25-30g
• JM - Jumbo Mice > 30g
• SJ - Super Jumbo Mice >35g

大白：

• RP - Baby Rat 5-12g
• RF - Fuzzy 12-20g
• LF - Large Fuzzy  20-30g
• SW - Small  Weanerrat 30-50g
• MW - Medium Weanerrat 50-70g
• LW - Large Weanerrat 70-100g
• SR - Small Rat 100-150g
• RR - Regular Rat 150-250g