Effects of dietary restriction followed by high dietary energy or protein on compensatory growth of Ashanti Black × Large White crossbred weaner pigs

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• 作者：Weseh Addah ; Reuben Rudolph Kafui Dzewu…
• 关键词：Ashanti Black pig ; Compensatory growth ; Dietary energy ; Dietary protein ; Re ; alimentation
• 刊名：Tropical Animal Health and Production
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：48
• 期：1
• 页码：145-150
• 全文大小：363 KB
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• 作者单位：Weseh Addah (1)
  Reuben Rudolph Kafui Dzewu (1)
  Benjamin Alenyorege (1)
  
  1. Department of Animal Science, University for Development Studies, P. O. Box TL 1882, Ghana, Tamale
  
• 刊物类别：Medicine
• 刊物主题：Medicine & Public Health
  Veterinary medicine
  Zoology
  
• 出版者：Springer Netherlands
• ISSN：1573-7438

文摘

The study determined the effect of re-alimenting dietary protein or energy on compensatory growth. Eighteen Ashanti Black × Large White crossbred weaner pigs (7.5 ± 0.30 kg) were randomly assigned to one of three dietary treatments in a completely randomized design resulting in three replicate pens per treatment (n = 3) and two pigs per pen. In the first treatment, pigs were fed ad libitum a diet containing 12.0 MJ/kg of metabolizable energy (ME) and 14.4 % crude protein (CP) (maintenance diet) for 56 days. In the second and third dietary treatments, pigs were fed the maintenance diet for the initial 28 days and then switched to a high protein (17.4 % dry matter (DM) CP; protein) or high (14.0 MJ/kg DM; energy) diet for the rest of the 28-day period. Dry matter intake and growth performance were similar (P ≥ 0.52) among treatments during the first 28 days of restrictive feeding, but pigs re-alimented with the protein diet achieved superior (P = 0.004) DM intake, average daily gain (ADG), and feed efficiency than those fed the maintenance diet or re-alimented with the energy diet in the re-alimentation period. At the end of the entire 56-day period, pigs re-alimented with the protein diet had higher (P ≥ 0.01) live weight gains and ADG compared with those fed the maintenance diet or re-alimented with the energy diet, but DM intake was similar (P = 0.66) among treatments. It was concluded that re-alimentation with protein rather than energy can improve compensatory growth of Ashanti Black × Large White crossbred weaner pigs.