Effect of Feeding a Milk Replacer to Early-Weaned Pigs on Growth, Body Composition, and Small Intestinal Morphology, Compared with Suckled Littermates

Ruurd T. Zijlstra, Kwang Youn Whang, Robert A. Easter, Jack Odle

Research output: Contribution to journalArticle

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Abstract

Feeding of milk replacer to early-weaned pigs was evaluated in two experiments. In Exp. 1, 18 litters of pigs were either weaned conventionally (d 21), split-weaned and fed milk replacer plus starter diet (d 14 and 21), or weaned and fed milk replacer plus starter diet (d 21). Split weaning combined with feeding a milk replacer increased ADG 22% from d 14 and d 28 compared to conventional weaning (P < .05). Feeding a milk replacer plus starter diet after weaning increased ADG 30% between d 21 and 28 compared to conventional weaning (P < .01). In Experiment 2, four litters of 12 pigs each were divided at d 18 into six heavy and six light pigs and randomized across sow-suckled, milk replacer, or starter diet groups. After 1 wk, pigs fed milk replacer weighed 20% more (P < .001), contained 10% more protein (P < .01) and 17% more fat (P < .05), and had 74% longer villi in the proximal small intestine (P < .001) than suckled pigs. In contrast, pigs fed starter diet weighed 19% less (P < .001), contained 20% less protein and fat (P < .001), and had 28% shorter villi in the proximal small intestine (P < .05) than suckled pigs. Therefore, milk replacer feeding the 1st wk after weaning stimulates pig development, both locally in the small intestine and on a whole-body basis, most likely by an increased energy and nutrient intake. Suckling beyond 18 d postnatally inhibits pigs to reach maximal potential weight gain. In conclusion, milk replacer feeding might be beneficial to reach maximal pig weight gain at weaning.

Original languageEnglish
Pages (from-to)2948-2959
Number of pages12
JournalJournal of Animal Science
Volume74
Issue number12
Publication statusPublished - 1996 Dec 1
Externally publishedYes

Fingerprint

milk replacer
Body Composition
body composition
Milk
Swine
swine
Weaning
starter diets
Growth
weaning
Diet
Small Intestine
small intestine
villi
Weight Gain
Fats
weight gain
sow milk
lipids
Energy Intake

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

Effect of Feeding a Milk Replacer to Early-Weaned Pigs on Growth, Body Composition, and Small Intestinal Morphology, Compared with Suckled Littermates. / Zijlstra, Ruurd T.; Whang, Kwang Youn; Easter, Robert A.; Odle, Jack.

In: Journal of Animal Science, Vol. 74, No. 12, 01.12.1996, p. 2948-2959.

Research output: Contribution to journalArticle

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abstract = "Feeding of milk replacer to early-weaned pigs was evaluated in two experiments. In Exp. 1, 18 litters of pigs were either weaned conventionally (d 21), split-weaned and fed milk replacer plus starter diet (d 14 and 21), or weaned and fed milk replacer plus starter diet (d 21). Split weaning combined with feeding a milk replacer increased ADG 22{\%} from d 14 and d 28 compared to conventional weaning (P < .05). Feeding a milk replacer plus starter diet after weaning increased ADG 30{\%} between d 21 and 28 compared to conventional weaning (P < .01). In Experiment 2, four litters of 12 pigs each were divided at d 18 into six heavy and six light pigs and randomized across sow-suckled, milk replacer, or starter diet groups. After 1 wk, pigs fed milk replacer weighed 20{\%} more (P < .001), contained 10{\%} more protein (P < .01) and 17{\%} more fat (P < .05), and had 74{\%} longer villi in the proximal small intestine (P < .001) than suckled pigs. In contrast, pigs fed starter diet weighed 19{\%} less (P < .001), contained 20{\%} less protein and fat (P < .001), and had 28{\%} shorter villi in the proximal small intestine (P < .05) than suckled pigs. Therefore, milk replacer feeding the 1st wk after weaning stimulates pig development, both locally in the small intestine and on a whole-body basis, most likely by an increased energy and nutrient intake. Suckling beyond 18 d postnatally inhibits pigs to reach maximal potential weight gain. In conclusion, milk replacer feeding might be beneficial to reach maximal pig weight gain at weaning.",
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