Effects of different dietary inclusions of whole-plant corn silage on growth performance, nutrient availability and jejunal development in growing-finishing pigs

Xiangyu Ma, Jing Sun, Jianpu Zhao, Xiaoxue Jv, Jiuyuan Dong, Weiren Yang, Yanping Jiang, Yang Li, Lijie Yang and Shuzhen Jiang
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Xiangyu Ma: Key Laboratory of Effificient Utilization of Non-Grain Feed Resources, Department of Animal Science and Technology, Shandong Agricultural University and Ministry of Agriculture and Rural Affairs, Tai'an, PR China
Jing Sun: China Animal Health and Epidemiology Center, Qingdao, PR China
Jianpu Zhao: Key Laboratory of Effificient Utilization of Non-Grain Feed Resources, Department of Animal Science and Technology, Shandong Agricultural University and Ministry of Agriculture and Rural Affairs, Tai'an, PR China
Xiaoxue Jv: Key Laboratory of Effificient Utilization of Non-Grain Feed Resources, Department of Animal Science and Technology, Shandong Agricultural University and Ministry of Agriculture and Rural Affairs, Tai'an, PR China
Jiuyuan Dong: Key Laboratory of Effificient Utilization of Non-Grain Feed Resources, Department of Animal Science and Technology, Shandong Agricultural University and Ministry of Agriculture and Rural Affairs, Tai'an, PR China
Weiren Yang: Key Laboratory of Effificient Utilization of Non-Grain Feed Resources, Department of Animal Science and Technology, Shandong Agricultural University and Ministry of Agriculture and Rural Affairs, Tai'an, PR China
Yanping Jiang: Shandong Zhongcheng Feed Technology Co., Ltd, Feicheng, PR China
Yang Li: Key Laboratory of Effificient Utilization of Non-Grain Feed Resources, Department of Animal Science and Technology, Shandong Agricultural University and Ministry of Agriculture and Rural Affairs, Tai'an, PR China
Lijie Yang: Key Laboratory of Effificient Utilization of Non-Grain Feed Resources, Department of Animal Science and Technology, Shandong Agricultural University and Ministry of Agriculture and Rural Affairs, Tai'an, PR China
Shuzhen Jiang: Key Laboratory of Effificient Utilization of Non-Grain Feed Resources, Department of Animal Science and Technology, Shandong Agricultural University and Ministry of Agriculture and Rural Affairs, Tai'an, PR China

Czech Journal of Animal Science, 2024, vol. 69, issue 2, 48-58

Abstract: This study aimed to evaluate the effects of whole-plant corn silage (WCS) on growth performance, nutrient availability and intestinal development in growing-finishing pigs. A total of 32 barrows (33.1 ± 3.49 kg) were randomly allocated to four treatments. Control was the basal diet, and the low, medium, and high treatments were basal diets substituted with WCS (air-dry basis) at 5.0%, 7.5%, and 10.0% from day 1 to 42, and 10.0%, 12.5%, and 15.0% from day 43 to 98, respectively. The results showed that the average daily feed intake (ADFI), feed/gain (F/G), and crypt depth (CD) increased linearly (P < 0.05) with the increasing of WCS. However, the final body weight, average daily gain (ADG), biological value (BV), net protein utilization (NPU), dry matter, crude protein (CP), ether extract, crude fibre (CF), and gross energy decreased linearly (P < 0.05). High treatment significantly deteriorated BW, ADG, NPU, and BV compared to control, low, and medium treatments (P < 0.05). The low and medium treatments showed significantly greater ADFI, apparent digestibility (CP and CF), villus height (VH), VH/CD, relative mRNA and protein expression of occludin, claudin-1 and sodium-glucose cotransporter (SGLT1) than the high treatment (P < 0.05). The highest F/G, CD, relative mRNA and protein expression of cationic amino acid transporter (CAT1) were observed in high treatment (P < 0.05). Our results suggested that WCS can replace 7.5% and 12.5% of diet during growing and finishing periods of pigs, respectively. This is of great significance for reducing feeding costs and alleviating food security crises.

Keywords: swine production; dietary fiber; silage feedstuff; intestinal health; nutrient absorption (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjs:v:69:y:2024:i:2:id:153-2023-cjas

DOI: 10.17221/153/2023-CJAS

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