ANFS251 Lecture Notes - Lecture 19: Corn Starch, Wild Horse, Gastrointestinal Perforation
3 Apr 2017
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Post-gastric fermentation: small stomach capacity (2-4 gals) this is for avg size 4000 lb horse. The small stomach limits the amt of feed that can be taken in at 1 time. Fibrous material conts to hind-gut: hind-gut 23-30 gal capacity large vat where fermentation takes place. Microbes work to digest fibrous feeds here. Vfas are produced here, which are given to bacteria and horse for energy. Obesity, digestive and lameness problems grazing selectivity: mobile lips and large mouth, graze close to the ground and bite off selected parts of plants. Haven"t been shown to have lower repro efficiency. Maintain a condition score of at least 5 (lower than 5 is lower efficiency want them at 5 for gestation and lactation) May experience the greatest weight gain in the second third of gestation. Not known of these weight changes are associated w/ placental tissues or actual increases in body weight; appear to be normal o.
