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      Dietary supplementation of laminarin improves the reproductive performance of sows and the growth of suckling piglets

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          Abstract

          Background

          Maternal nutrition is essential in keeping a highly efficient production system in the pig industry. Laminarin has been shown to improve antioxidant capacity, reduce the inflammatory response, and favor the homeostasis of intestinal microbiota. However, the effect of dietary supplementation of laminarin on the reproductive performance of sows and the growth of suckling offspring remains unknown.

          Methods

          A total of 40 Landrace × Yorkshire multiparous sows on d 85 of gestation, similar in age, body weight (BW), parity and reproductive performance, were randomly divided into four dietary treatments with 10 sows per treatment, receiving a control diet (basal pregnancy or lactating diets) and a basal diet supplemented with 0.025%, 0.05% and 0.10% laminarin, respectively. The experiment lasted from d 85 of gestation to d 21 of lactation.

          Results

          Laminarin supplementation linearly increased number born alive per litter ( P = 0.03), average daily feed intake (ADFI, P < 0.01), and total milk yield of sows during the lactation of 1–21 d ( P = 0.02). Furthermore, maternal laminarin supplementation increased the average daily gain (ADG) of piglets while tending to reduce the culling and death rate before weaning. In addition, alterations to the composition of colostrum and milk, as well as to serum inflammatory cytokines and immunoglobulins of sows were observed. The fecal microbiota profile of sows supported the improvement of reproductive performance in sows and the growth performance in suckling offspring.

          Conclusions

          Dietary supplementation of laminarin during late pregnancy and lactation could significantly improve reproductive performance of sows and growth performance of piglets.

          Graphical Abstract

          Supplementary Information

          The online version contains supplementary material available at 10.1186/s40104-023-00920-6.

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          Most cited references40

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          Breastfeeding in the 21st century: epidemiology, mechanisms, and lifelong effect.

          The importance of breastfeeding in low-income and middle-income countries is well recognised, but less consensus exists about its importance in high-income countries. In low-income and middle-income countries, only 37% of children younger than 6 months of age are exclusively breastfed. With few exceptions, breastfeeding duration is shorter in high-income countries than in those that are resource-poor. Our meta-analyses indicate protection against child infections and malocclusion, increases in intelligence, and probable reductions in overweight and diabetes. We did not find associations with allergic disorders such as asthma or with blood pressure or cholesterol, and we noted an increase in tooth decay with longer periods of breastfeeding. For nursing women, breastfeeding gave protection against breast cancer and it improved birth spacing, and it might also protect against ovarian cancer and type 2 diabetes. The scaling up of breastfeeding to a near universal level could prevent 823,000 annual deaths in children younger than 5 years and 20,000 annual deaths from breast cancer. Recent epidemiological and biological findings from during the past decade expand on the known benefits of breastfeeding for women and children, whether they are rich or poor.
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            Proteobacteria: microbial signature of dysbiosis in gut microbiota.

            Recent advances in sequencing techniques, applied to the study of microbial communities, have provided compelling evidence that the mammalian intestinal tract harbors a complex microbial community whose composition is a critical determinant of host health in the context of metabolism and inflammation. Given that an imbalanced gut microbiota often arises from a sustained increase in abundance of the phylum Proteobacteria, the natural human gut flora normally contains only a minor proportion of this phylum. Here, we review studies that explored the association between an abnormal expansion of Proteobacteria and a compromised ability to maintain a balanced gut microbial community. We also propose that an increased prevalence of Proteobacteria is a potential diagnostic signature of dysbiosis and risk of disease.
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              Host remodeling of the gut microbiome and metabolic changes during pregnancy.

              Many of the immune and metabolic changes occurring during normal pregnancy also describe metabolic syndrome. Gut microbiota can cause symptoms of metabolic syndrome in nonpregnant hosts. Here, to explore their role in pregnancy, we characterized fecal bacteria of 91 pregnant women of varying prepregnancy BMIs and gestational diabetes status and their infants. Similarities between infant-mother microbiotas increased with children's age, and the infant microbiota was unaffected by mother's health status. Gut microbiota changed dramatically from first (T1) to third (T3) trimesters, with vast expansion of diversity between mothers, an overall increase in Proteobacteria and Actinobacteria, and reduced richness. T3 stool showed strongest signs of inflammation and energy loss; however, microbiome gene repertoires were constant between trimesters. When transferred to germ-free mice, T3 microbiota induced greater adiposity and insulin insensitivity compared to T1. Our findings indicate that host-microbial interactions that impact host metabolism can occur and may be beneficial in pregnancy. Copyright © 2012 Elsevier Inc. All rights reserved.
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                Author and article information

                Contributors
                yinjd@cau.edu.cn
                Journal
                J Anim Sci Biotechnol
                J Anim Sci Biotechnol
                Journal of Animal Science and Biotechnology
                BioMed Central (London )
                1674-9782
                2049-1891
                10 September 2023
                10 September 2023
                2023
                : 14
                : 114
                Affiliations
                GRID grid.22935.3f, ISNI 0000 0004 0530 8290, State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, , China Agricultural University, ; Beijing, 100193 China
                Author information
                http://orcid.org/0000-0003-4623-0568
                Article
                920
                10.1186/s40104-023-00920-6
                10493022
                37689725
                bae92ae1-635e-420c-99d4-1bd8ebfeaf5e
                © Chinese Association of Animal Science and Veterinary Medicine 2023

                Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver ( http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

                History
                : 9 May 2023
                : 13 July 2023
                Funding
                Funded by: FundRef http://dx.doi.org/10.13039/501100012165, Key Technologies Research and Development Program;
                Award ID: 2018YFD0500400
                Award Recipient :
                Categories
                Research
                Custom metadata
                © Chinese Association of Animal Science and Veterinary Medicine 2023

                Animal science & Zoology
                fecal microbiota,laminarin,milk,piglets,reproductive performance,sows
                Animal science & Zoology
                fecal microbiota, laminarin, milk, piglets, reproductive performance, sows

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