China Crayons Monitor for Cow Sheep Pig

Applicable: Dairy cow,Pig,Sheep and so on
Use: Detect estrus of animals
Specifications: 60g / piece25 pieces / carton 432pieces/Paper box

Colors: red, orange, green, blue

Instruction:
Draw a long mark on the tail of the animal. After the animal is mounted by the other animals, the mark on the back will be rubbed, Through the color change to judge whether the animal is in estrus
Features:
Be made of high-quality raw materials, bright colour, smooth writing.
Lipstick rotation type, breakage avoided: Rotary open, easy to use, hands won't be dyed, avoid breaking waste.