為何狗會屙黑屎?

黑屎形狀係點?
如果仲係一條條而唔係爛溶溶ge 都冇咩問題
可能係佢飲水唔夠
比返多d水佢飲 會有幫助的
如果係爛溶溶ge 就可能係佢腸胃唔好
去寵物店買d腸胃藥比佢食

2 reasons

1: high iron in the diet. make the poo become black

2: the upper track of the food gut is bleeding, when it reach to the anal the fresh red colour turns to black by time.