ArticleJournal of animal science and biotechnology2020
Net absorption and liver metabolism of amino acids and heat production of portal-drained viscera and liver in multiparous sows during transition and lactation.
Article in Journal of animal science and biotechnology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 12 citations in OpenAlex.
- Carbohydrate and protein adaptation in low-protein diets for livestock and poultry: a nutritional revolution from static balance to dynamic synergy.Journal of animal science and biotechnology · 2026Review
- Optimal standardized ileal digestible lysine levels in low-protein diets: Effects on performance of lactating sows and their offspring.Animal nutrition (Zhongguo xu mu shou yi xue hui) · 2026Article
- Effects of energy and amino acid intake during gestation on reproductive performance, milk composition, antioxidant status and placental nutrient transport in high-parity sows.Frontiers in veterinary science · 2025Article
- Evaluating the Net Energy Requirements for Maintenance Based on Indirect Calorimetry and Heart Rate Monitoring in Gestating Sows.Animals : an open access journal from MDPI · 2024Article
- Net Portal Appearance of Amino Acids in Iberian and Landrace Pigs Fed Different Protein Content in the Diet.Animals : an open access journal from MDPI · 2023Article
- Review: Physiology and nutrition of late gestating and transition sows.Journal of animal science · 2022Article
- Effects of Dietary Choline Levels During Pregnancy on Reproductive Performance, Plasma Metabolome and Gut Microbiota of Sows.Frontiers in veterinary science · 2021Article
- Postprandial NMR-Based Metabolic Exchanges Reflect Impaired Phenotypic Flexibility across Splanchnic Organs in the Obese Yucatan Mini-Pig.Nutrients · 2020Article
- Impact of milk and nutrient intake of piglets and sow milk composition on piglet growth and body composition at weaning.Journal of animal science · 2020Article
- Net Absorption and Metabolism of β-Hydroxy- β-Methyl Butyrate during Late Gestation in a Pig Model.Nutrients · 2020Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundDetermination of nutrient requirements in the late gestating and lactating sows is essential to optimize sow productivity. The objectives of the present study were to quantify amino acid (AA) fluxes and heat production across portal-drained viscera (PDV) and liver in multiparous sows during transition and lactation.
methodsEight second parity sows were fitted with indwelling catheters in the femoral artery and in the mesenteric, portal and hepatic veins. Eight hourly sets of blood samples were taken starting 0.5 h before feeding at - 10, - 3, + 3, and + 17 d in milk (DIM). Blood gases, plasma metabolites and apparent total tract digestibility (ATTD) of nutrients were measured.
resultsFeed intake, the ATTD of DM, energy, nitrogen, fat and crude fiber changed with DIM (
conclusionThe net portal recovery was substantially lower for Met, Thr, and His than the remaining essential AA. Hepatic AA oxidation peaks 0.5 to 2.5 h after feeding. The heat production in PDV and liver was approximately two-fold higher at peak lactation compared to other stages. The study suggests that lysine was the limiting AA in peak lactation but not in early lactation.
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