Effects of Pasture Fattening and Stall Fattening on Gastrointestinal Tract Morphology of Cashmere Goats

YU Yang; GE Rilema; YAN Sumei; GUO Xiaoyu; ZHAO Yanli

doi:10.3969/j.issn.1006-267x.2020.02.033

Chinese Journal of Animal Nutrition >

2020 , Vol. 32 >Issue 2: 775 - 783

DOI: https://doi.org/10.3969/j.issn.1006-267x.2020.02.033

RUMINANT AND HERBIVORE NUTRITION AND FEED

Effects of Pasture Fattening and Stall Fattening on Gastrointestinal Tract Morphology of Cashmere Goats

YU Yang ,
GE Rilema ,
YAN Sumei ,
GUO Xiaoyu ,
ZHAO Yanli

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College of Animal Science, Key Laboratory of Animal Nutrition and Feed Science in Colleges, Inner Mongolia Agricultural University, Hohhot 010018, China

Received date: 2019-08-16

Online published: 2020-02-21

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Abstract

This experiment was conducted to study the effects of pasture fattening and stall fattening on gastrointestinal tract morphology of cashmere goats. A total of sixty eliminated Arbas white female cashmere goats with similar body weight and age were selected from Inner Mongolia White Cashmere Goat Breeding Farm and divided into two groups randomly:experimental group (EG group) and control group (CG group). The experiment group were fed for stall fattening and female goats were fed according to the designed total mixed ration; the other goats were conducted pasture fattening. The preliminary trial period was 15 d, and formal trial period was 60 d. At the end of the trial, each 6 female goats were selected from the experiment and control groups, respectively to slaughter, and to determine the gastrointestinal tract morphology. The results showed as follows:cashmere female goats' papillae length and width of rumen in EG group significantly increased compared with CG group (P<0.05), but there were no significant changes in their wall thickness and muscular thickness of rumen, reticulum, omasum and abomasum (P>0.05). The villi length of duodenum, ileum and jejunum of female goats in EG group were significantly higher than those of female goats fed in CG group (P<0.05); compared with CG group, the villi length/crypt depth of duodenum, jejunum and ileum of female goats in EG group were significantly higher (P<0.05). In conclusion, compared with pasture fattening, stall fattening can promote gastrointestinal digestive function of female cashmere goats.

Key words： fattening method; cashmere goats; adult female; gastrointestinal tract

Cite this article

YU Yang , GE Rilema , YAN Sumei , GUO Xiaoyu , ZHAO Yanli . Effects of Pasture Fattening and Stall Fattening on Gastrointestinal Tract Morphology of Cashmere Goats[J]. Chinese Journal of Animal Nutrition, 2020 , 32(2) : 775 -783 . DOI: 10.3969/j.issn.1006-267x.2020.02.033

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