The effects of previous dietary Lys concentration on subsequent growth performance of two different pig genotypes

Taylor, A.E.; Jagger, S.; Toplis, P.; Wellock, I. J.; Miller, H. M.

doi:10.1016/j.livsci.2015.03.005

Cited by 7 publications

(22 citation statements)

References 24 publications

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“…During the 8 weeks following the dietary intervention, compared to control piglets, piglets fed the HFS diet after birth had a 20% decrease in ADFI, paired with a slight reduction in ADG, resulting in a higher G:F. The improved feed efficiency, associated with the attenuation of the effects on growth (7% vs . 30% reduction during the early post-weaning period), suggests that, when fed a commercial diet that meets their needs for nutrients, the piglets fed the HFS diet after birth were able to partially compensate for the growth reduction caused by AA restriction in early life, as previously reported [ 68 , 69 ]. The 8-week period, however, may not have been long enough to fully compensate.…”

Section: Discussionsupporting

confidence: 64%

Perinatal Exposure to a Diet High in Saturated Fat, Refined Sugar and Cholesterol Affects Behaviour, Growth, and Feed Intake in Weaned Piglets

et al. 2016

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The increased consumption of diets high in saturated fats and refined sugars is a major public health concern in Western human societies. Recent studies suggest that perinatal exposure to dietary fat and/or sugar may affect behavioural development. We thus investigated the effects of perinatal exposure to a high-fat high-sugar diet (HFS) on behavioural development and production performance of piglets. Thirty-two non-obese sows and their piglets were allocated to 1 of 4 treatments in a 2 × 2 factorial design, with 8-week prenatal (gestation) and 8-week postnatal (lactation and post-weaning) exposure to a HFS diet (12% saturated fat, 18.5% sucrose, 1% cholesterol) or control low-fat low-sugar high-starch diets as factors. From weaning onwards (4 weeks of age), piglets were housed in group of 3 littermates (n = 8 groups/treatment) and fed ad libitum. After the end of the dietary intervention (8 weeks of age), all the piglets were fed a standard commercial diet. Piglet behaviours in the home pens were scored, and skin lesions, growth, feed intake and feed efficiency were measured up to 8 weeks after the end of the dietary treatment, i.e. until 16 weeks of age. At the end of the dietary treatment (8 weeks of age), response to novelty was assessed in a combined open field and novel object test (OFT/NOT). During the weeks following weaning, piglets fed the postnatal HFS diet tended to be less aggressive (p = 0.06), but exhibited more oral manipulation of pen mates (p = 0.05) than controls. Compared to controls, piglets fed the prenatal or postnatal HFS diet walked more in the home pen (p ≤ 0.05), and tended to have fewer skin lesions (p < 0.10). Several behavioural effects of the postnatal HFS diet depended on the prenatal diet, with piglets subjected to a switch of diet at birth being more active, and exploring feeding materials, pen mates, and the environment more than piglets that remained on the same diet. Behaviours during the OFT/NOT were not affected by the diet. The intake of the postnatal HFS diet drastically reduced feed intake, but improved feed efficiency up to 8 weeks after the end of the dietary intervention, i.e. 16 weeks of age (p < 0.0001 for both). Our study highlights the key role of prenatal and postnatal nutritional interactions for early behavioural development, and reveals programming effects of early life nutrition on voluntary feed intake of piglets later in life.

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Section: Discussionsupporting

confidence: 64%

Perinatal Exposure to a Diet High in Saturated Fat, Refined Sugar and Cholesterol Affects Behaviour, Growth, and Feed Intake in Weaned Piglets

et al. 2016

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“…However it is generally believed that newly weaned pigs must be provided with highly nutritious diets to ensure optimal postweaning growth (Campbell and Dunkin, 1983). Reduced ADG, G:F, and increased back fat thickness have all been noted in nursery pigs fed low protein diets containing 9 to 15% protein (Whang et al, 2003;Martinez-Ramirez et al, 2005;Taylor et al, 2015).…”

Section: The Effects Of Reducing Protein (Lysine) In the Diet On Various Parameters Inmentioning

confidence: 99%

“…In most cases, Lys is the first limiting AA in cereal based diets fed to pigs, and thus has been the AA most investigated (Boisen, 1997). Numerous studies have examined the effects of a reduction in dietary Lys on feed intake (Kerr et al, 1995;Chiba et al, 1999;O'Connell et al, 2006;Suarez Belloch et al, 2015;Taylor et al, 2015). In these studies, there were no significant differences in feed intake compared to controls when pig gender, breed, BW, and severity of Lys restriction varied.…”

Section: Compositionmentioning

confidence: 99%

“…The most common type of restrictions imposed in the literature are feed restrictions, which limit total amounts of energy available (Hornick et al;Martinez-Ramirez and de Lange, 2008;Wiecek et al, 2008), protein or AA restrictions (Wyllie et al, 1969;Zimmerman and Khajaren, 1973;Martinez-Ramirez, 2005;Martinez-Ramirez 2008ab;Taylor et al, 2015), and restrictions caused by a reduction in diet complexity (Skinner et al, 2014;Reinhardt, 2012). Each form of restriction successfully reduced ADG and G:F in pigs.…”

Section: Type Of Restrictionmentioning

confidence: 99%

“…It has been well established that following a period of short term protein restriction, pigs can exhibit compensatory growth (Martinez-Ramirez et al, 2008b;Taylor et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

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227 Compensatory body protein gain in newly weaned pigs

Totafurno

Mansilla

Wey

et al. 2017

Journal of Animal Science

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Protein sources used in nursery diets are expensive; there is a need to examine alternative feeding strategies to lower production costs. Experiments were conducted to determine the effects of a short term lysine restriction at weaning on pig growth performance and body composition, and the extent of compensatory growth when pigs are then fed adequate amounts of dietary lysine. Pigs were followed until final market weight of 124kg was attained to assess effects of compensatory growth on carcass and meat quality. Short term lysine restriction at weaning reduced growth performance (gains, feed efficiency) and body protein mass while increasing body lipid mass.However, when fed a diet that was no longer limiting in lysine, pigs were capable of achieving compensatory growth with no effects on carcass or meat quality. Short term nutrient restriction may be an effective approach to reduce diet costs without jeopardizing performance and carcass and meat quality.

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Hampshire pig

Alderson¹

2019

CABI Compendium

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The effects of previous dietary Lys concentration on subsequent growth performance of two different pig genotypes

Cited by 7 publications

References 24 publications

Perinatal Exposure to a Diet High in Saturated Fat, Refined Sugar and Cholesterol Affects Behaviour, Growth, and Feed Intake in Weaned Piglets

Perinatal Exposure to a Diet High in Saturated Fat, Refined Sugar and Cholesterol Affects Behaviour, Growth, and Feed Intake in Weaned Piglets

227 Compensatory body protein gain in newly weaned pigs

Hampshire pig

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