Maternal undernutrition and offspring sex determine birth-weight, postnatal development and meat characteristics in traditional swine breeds : = Maternal undernutrition and offspring sex determine birth-weight, postnatal development and meat characteristics in traditional swine breeds
Background: The aim of this study was to determine how maternal undernutrition during pregnancy and offspring birth-weight can affect the postnatal development of offspring under farm conditions, which may lead to consequences in its meat and carcass quality. The current study involved a total of 80 litters from Iberian sows fed a diet fulfilling daily requirements(n = 47; control) or providing 70% daily requirements(n = 33; underfed) from d 38 to d 90 of gestation when fetal tissue development begins. After birth, piglets born live were classified as low birthweight(LBW; < 1 kg) and normal birth-weight(NBW; ≥1 kg). During the growing phase, 240 control and 230 underfed pigs(50% males and females) distributed by BW category and sex were studied until the slaughter.Results: At birth and weaning, there were significant differences in all morphological measures and weight between NBW and LBW piglets as expected(P < 0.0005), but few effects of the gestational feed restriction. During the growing phase, NBW pigs continued with higher weight than LBW pigs on all the days of evaluation(P < 0.05),even though control-LBW-females and LBW-males showed a catch-up growth. However, underfed pigs showed slower growth and higher feed conversion ratio than control pigs(P < 0.0001) at 215 days old. Moreover, the average daily weight gain(ADWG) for the overall period was greater for NBW, male and control pigs than for their LBW, female and underfed pigs(P < 0.0001, P< 0.0005 and P< 0.05, respectively) and NBW pigs were slaughtered at a younger age than LBW pigs(P < 0.0001). After slaughtering, control pigs also had higher carcass yield and backfat depth than underfed pigs(P < 0.0005) and the maternal nutritional effect caused main changes in the polar lipid fraction of liver and loin. The fatty acid composition of loin in control pigs had higher C18:1 n-9 and n-3 FA concentrations, as well as lower ∑n-6/∑n-3 ratio, than in underfed pigs(P < 0.005).Conclusions: In brief, results showed that the effects of maternal nutritional restriction appeared and increased with offspring age, causing worse developmental patterns for underfed pigs than for control pigs..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2018-09-15 2018 |
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| Erschienen: |
2018-09-15 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2018 |
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| Enthalten in: |
Journal of animal science and biotechnology - (2018), 03 vom: 15. Sept., Seite 674-688 Original Letters: Enthalten in (DE-576)351480080 (DE-576)351480080 |
| Reihe: |
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| Sprache: |
Chinesisch |
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| Weiterer Titel: |
Maternal undernutrition and offspring sex determine birth-weight, postnatal development and meat characteristics in traditional swine breeds |
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| Beteiligte Personen: |
M.Vázquez-Gómez [VerfasserIn] |
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| Links: |
oversea.cnki.net [lizenzpflichtig] |
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| Anmerkungen: |
Author info:M.Vázquez-Gómez;C.García-Contreras;L.Torres-Rovira;S.Astiz;C.óvilo;A.González-Bulnes;B.Isabel;Faculty of Veterinary Medicine,UCM;INIA |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
CAJ604975910 |
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| 245 | 1 | 0 | |a Maternal undernutrition and offspring sex determine birth-weight, postnatal development and meat characteristics in traditional swine breeds |b = Maternal undernutrition and offspring sex determine birth-weight, postnatal development and meat characteristics in traditional swine breeds |
| 246 | 3 | 1 | |a Maternal undernutrition and offspring sex determine birth-weight, postnatal development and meat characteristics in traditional swine breeds |
| 264 | 1 | |c 2018-09-15 | |
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| 500 | |a Author info:M.Vázquez-Gómez;C.García-Contreras;L.Torres-Rovira;S.Astiz;C.óvilo;A.González-Bulnes;B.Isabel;Faculty of Veterinary Medicine,UCM;INIA | ||
| 520 | |a Background: The aim of this study was to determine how maternal undernutrition during pregnancy and offspring birth-weight can affect the postnatal development of offspring under farm conditions, which may lead to consequences in its meat and carcass quality. The current study involved a total of 80 litters from Iberian sows fed a diet fulfilling daily requirements(n = 47; control) or providing 70% daily requirements(n = 33; underfed) from d 38 to d 90 of gestation when fetal tissue development begins. After birth, piglets born live were classified as low birthweight(LBW; < 1 kg) and normal birth-weight(NBW; ≥1 kg). During the growing phase, 240 control and 230 underfed pigs(50% males and females) distributed by BW category and sex were studied until the slaughter.Results: At birth and weaning, there were significant differences in all morphological measures and weight between NBW and LBW piglets as expected(P < 0.0005), but few effects of the gestational feed restriction. During the growing phase, NBW pigs continued with higher weight than LBW pigs on all the days of evaluation(P < 0.05),even though control-LBW-females and LBW-males showed a catch-up growth. However, underfed pigs showed slower growth and higher feed conversion ratio than control pigs(P < 0.0001) at 215 days old. Moreover, the average daily weight gain(ADWG) for the overall period was greater for NBW, male and control pigs than for their LBW, female and underfed pigs(P < 0.0001, P< 0.0005 and P< 0.05, respectively) and NBW pigs were slaughtered at a younger age than LBW pigs(P < 0.0001). After slaughtering, control pigs also had higher carcass yield and backfat depth than underfed pigs(P < 0.0005) and the maternal nutritional effect caused main changes in the polar lipid fraction of liver and loin. The fatty acid composition of loin in control pigs had higher C18:1 n-9 and n-3 FA concentrations, as well as lower ∑n-6/∑n-3 ratio, than in underfed pigs(P < 0.005).Conclusions: In brief, results showed that the effects of maternal nutritional restriction appeared and increased with offspring age, causing worse developmental patterns for underfed pigs than for control pigs. | ||
| 610 | 2 | 4 | |a Faculty of Veterinary Medicine,UCM,Madrid, Spain |
| 610 | 2 | 4 | |a INIA,Madrid, Spain |
| 650 | 4 | |a 家畜 | |
| 650 | 4 | |a 畜牧、动物医学、狩猎、蚕、蜂 | |
| 650 | 4 | |a 农业科学 | |
| 650 | 4 | |a Animal Husbandry and Veterinary | |
| 650 | 4 | |a 农业科技 | |
| 650 | 4 | |a Agriculture | |
| 650 | 4 | |a Carcass quality | |
| 650 | 4 | |a Fatty acids | |
| 650 | 4 | |a Feed restriction | |
| 650 | 4 | |a Growth | |
| 650 | 4 | |a Iberian pigs | |
| 650 | 4 | |a Low birth-weight | |
| 650 | 4 | |a Malnutrition | |
| 700 | 0 | |a C.García-Contreras |4 oth | |
| 700 | 0 | |a L.Torres-Rovira |4 oth | |
| 700 | 0 | |a S.Astiz |4 oth | |
| 700 | 0 | |a C.óvilo |4 oth | |
| 700 | 0 | |a A.González-Bulnes |4 oth | |
| 700 | 0 | |a B.Isabel |4 oth | |
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