To understand the influences of sustained-release calcium hydroxide and sustained-release hydrochloric acid on nutrient digestion and absorption, this article choose rabbits with the body weight of (2.0±0.5) kg as the test subject, and used sustained-release calcium hydroxide and sustained-release hydrochloric acid to affect the digestion and absorption of rabbits, respectively. The results showed that sustained-release calcium hydroxide can promote digestion and absorption of nutrients, especially calcium and protein. The digestibility of calcium and crude protein was increased from 89.8% and 93.8% to 41.0% and 65.2%, respectively. The sustained-release hydrochloric acid did not favor the digestion and absorption of nutrients, especially calcium and protein. The digestibility of calcium and crude protein was decreased from 55.5% and 84.9% to 28.4% and 68.7%, respectively. The promoting effects of sustained-release hydrochloride on digestion could last for 3 to 4 days. Therefore, the sustained-release calcium hydroxide has a promotion effect on the rabbit's digestion and absorption for calcium and protein, while the digestion and absorption for fat remains at a high level no matter what the condition is. Consequently, increasing the intake of fat will cause over nutrition. However, taking sustained-release hydrochloric acid will reduce nutrient digestion and absorption.
CHEN Lingyu
,
ZHUGE Liuying
,
LIN Zijun
,
TONG Zhangfa
,
WEI Tengyou
. Influences of Sustained-Release Calcium Hydroxide and Sustained-Release Hydrochloric Acid on Nutrient Digestion and Absorption in Rabbits[J]. Chinese Journal of Animal Nutrition, 2016
, 28(9)
: 2755
-2760
.
DOI: 10.3969/j.issn.1006-267x.2016.09.013
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