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231225s2019 xx |||||o 00| ||eng c |
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|a 10.5713/ajas.18.0294
|2 doi
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|a pubmed25n0959.xml
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|a (DE-627)NLM287839729
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|a (NLM)30145868
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Fang, Lin Hu
|e verfasserin
|4 aut
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| 245 |
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|a Effects of dietary energy and crude protein levels on growth performance, blood profiles, and nutrient digestibility in weaning pigs
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a OBJECTIVE: This experiment was conducted to investigate the effect of reducing dietary metabolic energy (ME) and crude protein (CP) levels on growth performance, blood profiles, and nutrient digestibility in weaning pigs
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|a METHODS: A total of 240 crossbred pigs (Duroc×[Landrace×Yorkshire]) with an average body weight of 8.67±1.13 kg were used for a 6-week feeding trial. Experimental pigs were allotted to a 2×3 factorial arrangement using a randomized complete block design. The first factor was two levels of dietary ME density (low ME level, 13.40 MJ/kg or high ME level, 13.82 MJ/kg) and the second factor was three dietary CP levels based on subdivision of early and late weaning phases (low CP level, 19.7%/16.9%; middle CP level, 21.7%/18.9%; or high CP level, 23.7%/20.9%)
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|a RESULTS: Over the entire experimental period, there were no significant difference in body weight among groups, but a decrease in diet energy level was associated with an increase in average daily feed intake (p = 0.02) and decrease in gain-feed ratio (G:F) ratio (p<0.01). Decreased CP levels in the diet were associated with a linear increase in average daily gain (p< 0.05) and quadratic increase in G:F ratio (p<0.05). In the early weaning period, blood urea nitrogen concentration tended to increase when ME in the diet decreased and decrease when CP level in the diet decreased (p = 0.09, p<0.01, respectively). Total protein concentration tended to increase when CP level was reduced (p = 0.08). In the late weaning period, blood urea nitrogen concentration decreased linearly as CP level decreased (p<0.01). The CP and crude fat digestibility decreased when ME was decreased by 0.42 MJ/kg (p = 0.05, p = 0.01, respectively). The CP digestibility increased linearly as CP level decreased (p = 0.01)
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|a CONCLUSION: A weaning pig diet containing high ME level (13.82 MJ/kg) and low CP level (19.7%/16.9%) can improve pig growth performance and nutrient digestibility
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|a Journal Article
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|a Blood Profiles
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| 650 |
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|a Crude Protein
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| 650 |
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|a Energy
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| 650 |
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|a Growth Performance
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| 650 |
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|a Nutrient Digestibility
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| 650 |
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4 |
|a Weaning Pigs
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| 700 |
1 |
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|a Jin, Ying Hai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Do, Sung Ho
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hong, Jin Su
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Byung Ock
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Han, Tae Hee
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Yoo Yong
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Asian-Australasian journal of animal sciences
|d 1998
|g 32(2019), 4 vom: 27. Apr., Seite 556-563
|w (DE-627)NLM098195883
|x 1011-2367
|7 nnns
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| 773 |
1 |
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|g volume:32
|g year:2019
|g number:4
|g day:27
|g month:04
|g pages:556-563
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| 856 |
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|u http://dx.doi.org/10.5713/ajas.18.0294
|3 Volltext
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