Wind sucking is the vice observed in the species

Wind sucking is the vice observed in the species of Horse.
Wind sucking is the habitual behaviour involving repeated arching of the neck and sucking in and swallowing air, often accompanied by a grunting sound.
Windsucking in horses is associated with several health concerns such as colic, gastric ulcers, respiratory issues and weight loss. Both windsucking and cribbing can also reduce performance, contribute to poor body condition and cause behavioural problems.