Three species of sucking lice can be found on cattle in Missouri. The longnosed cattle louse is generally a pest of young cattle and is about 1/10 inch long. The shortnosed cattle louse is about 1/16 inch long and is more often a pest of older cattle. The little blue louse is about 1/16 inch long.
A common length of the esophagus of a giraffe is about 40 inches. That compares to about 8 to 10 inches in a human being.
Narrowing of the esophagus may result in one of more of the following symptoms 1  : Difficulty swallowing â dysphagia. 2  Painful swallowing â odynophagia. 3  Regurgitation of food. 4  Coughing during or after eating , at night. 5  Unintentional weight loss.