Effects of dietary energy and lipase levels on nutrient digestibility, digestive physiology and noxious gas emission in weaning pigs

OBJECTIVE: This study was conducted to evaluate the effect of dietary energy and lipase supplementation on growth performance, nutrient digestibility, serum profiles, intestinal morphology, small intestinal digestive enzyme activities, biochemical index of intestinal development and noxious gas emis...

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Veröffentlicht in:Asian-Australasian journal of animal sciences. - 1998. - 31(2018), 12 vom: 31. Dez., Seite 1963-1973
1. Verfasser: Liu, J B (VerfasserIn)
Weitere Verfasser: Cao, S C, Liu, J, Pu, J, Chen, L, Zhang, H F
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Asian-Australasian journal of animal sciences
Schlagworte:Journal Article Digestibility Enzyme Activity Growth Performance Lipase Weaning Pigs
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245 1 0 |a Effects of dietary energy and lipase levels on nutrient digestibility, digestive physiology and noxious gas emission in weaning pigs 
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520 |a OBJECTIVE: This study was conducted to evaluate the effect of dietary energy and lipase supplementation on growth performance, nutrient digestibility, serum profiles, intestinal morphology, small intestinal digestive enzyme activities, biochemical index of intestinal development and noxious gas emission in weaning pigs 
520 |a METHODS: A total of 240 weaning pigs ([Yorkshire×Landrace]×Duroc) with an average body weight (BW) of 7.3±0.12 kg were used in this 28-d experiment. Weaning pigs were randomly allocated to 4 dietary treatments in a 2×2 factorial arrangement with 2 levels of energy (net energy = 2,470 kcal/kg for low energy diet and 2,545 kcal/kg for basal diet) and 2 levels of lipase (0 and 1.5 U/g of lipase) according to BW and sex. There were 6 replications (pens) per treatment and 10 pigs per pen (5 barrows and 5 gilts) 
520 |a RESULTS: Weaning pigs fed the low energy diet had lower (p<0.05) gain-to-feed ratio (G:F) throughout the experiment, apparent digestibility of dry matter, nitrogen, ether extract, and gross energy during d 0 to 14, average daily gain during d 15 to 28, lipase activity in duodenum and ileum and protein/DNA in jejunum (p<0.05), respectively. Lipase supplementation had no effect on growth performance but affected apparent nutrient digestibility (p<0.05) on d 14 and enhanced lipase activity in the duodenum and ileum and protease activity in duodenum and jejunum of pigs (p<0.05) fed the low energy diet. Lipase reduced serum low-density lipoprotein cholesterol (LDL-C) and triglyceride (TG), NH3 production (p<0.05) from the feces 
520 |a CONCLUSION: The low energy diet decreased G:F throughout the experiment and nutrient digestibility during d 0 to 14 as well as lipase activity in duodenum and ileum. Lipase supplementation increased nutrient digestibility during d 0 to 14 and exerted beneficial effects on lipase activity in duodenum and ileum as well as protease activity in duodenum and jejunum, while reduced serum LDL-C, TG and fecal NH3 
650 4 |a Journal Article 
650 4 |a Digestibility 
650 4 |a Enzyme Activity 
650 4 |a Growth Performance 
650 4 |a Lipase 
650 4 |a Weaning Pigs 
700 1 |a Cao, S C  |e verfasserin  |4 aut 
700 1 |a Liu, J  |e verfasserin  |4 aut 
700 1 |a Pu, J  |e verfasserin  |4 aut 
700 1 |a Chen, L  |e verfasserin  |4 aut 
700 1 |a Zhang, H F  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Asian-Australasian journal of animal sciences  |d 1998  |g 31(2018), 12 vom: 31. Dez., Seite 1963-1973  |w (DE-627)NLM098195883  |x 1011-2367  |7 nnns 
773 1 8 |g volume:31  |g year:2018  |g number:12  |g day:31  |g month:12  |g pages:1963-1973 
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