AI Article Synopsis
- The study investigates how various factors affect the rate of intake (ROI) of high-cereal meals and their potential consequences.
- Study 1 reveals that increasing chaff in the diet significantly slows ROI, while Studies 2 and 3 find that meal size and the addition of molasses have no impact on ROI, but it decreases significantly as a meal progresses.
- In Study 4, the results show that breed and body weight influence ROI among horses, with Clydesdales eating faster than Thoroughbreds, but factors like exercise, age, and gender do not significantly affect ROI.
Article Abstract
The rapid intake of high-cereal, low-roughage meals may cause gastrointestinal and behavioral disorders. We investigated some of the factors that can affect the rate of intake (ROI) in four separate studies. Study 1 investigated the effect of chaff length and addition rate on the ROI of oats. The ROI decreased as more chaff was added to the diet, attaining significance (P < .05, n = 6) at levels above 15% addition and reaching a plateau at ∼50%. This was independent of stalk length (1.4 cm vs. 4.1 cm). Study 2 showed that meal size (varying from 0.5 to 4 g/kg BW) did not affect the ROI for a cereal-based meal, nor was ROI altered by the addition of 10% molasses (n = 6). Study 3 demonstrated that ROI changed markedly over the course of a meal, commencing at an average rate of 74 g/minute for the first 5 minutes and decreasing to 15.8 g/minute after 30 minutes (n = 6). Study 4 examined the effects of breed, BW, exercise, and gender in 71 horses. In Clydesdales, BW affected ROI (P < .05), and Clydesdales had a faster ROI than Thoroughbreds of similar BW (81.8 ± 6.8 vs. 66.0 ± 3.35 g/minute; P < .05). Exercise level, age, and gender did not impact ROI significantly. The results highlight the effectiveness of feeding chaff to slow ROI and demonstrate the need for a standardized protocol if ROI is to be compared between different studies.
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| http://dx.doi.org/10.1016/j.jevs.2019.102869 | DOI Listing |
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