Seaweeds in Pig Nutrition

Corino, C.; Modina, S.; Giancamillo, A. Di; Chiapparini, Sara; Rossi, Raffaella

doi:10.3390/ani9121126

Cited by 71 publications

(99 citation statements)

References 120 publications

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“…In the present study, some numerical improvement (statistically non‐significant) in DM or CP digestibility was observed in the group fed with 1 g kg −1 aqueous extract of the red sea weed as compared to the control. In case of pigs, some of the seaweed species were shown to have no effect on digestibility, but some other species showed positive effect on N and gross energy digestibility 41 …”

Section: Discussionmentioning

confidence: 99%

“…also reported that incorporation of dried intact red sea weed K. alvarezii in broiler chicken diet @12.5 g kg −1 resulted in improved BW gain. In a review on effect of sea weeds on growth of piglets, it was noted that the average daily gain in BW of piglets fed brown seaweeds was higher than that of piglets fed a control diet with an increment of between +4.6 and + 40.8% 41 . It was suggested that positive effects of sea weeds on growth are related to the improvement in digestibility and overall health conditions of animals due to the prebiotic effects of seaweed polysaccharides, improvement in antioxidant status and the decrease in inflammatory condition, which may contribute to reduced energy and amino acidic expenditure 41 .…”

Section: Discussionmentioning

confidence: 99%

“…In a review on effect of sea weeds on growth of piglets, it was noted that the average daily gain in BW of piglets fed brown seaweeds was higher than that of piglets fed a control diet with an increment of between +4.6 and + 40.8% 41 . It was suggested that positive effects of sea weeds on growth are related to the improvement in digestibility and overall health conditions of animals due to the prebiotic effects of seaweed polysaccharides, improvement in antioxidant status and the decrease in inflammatory condition, which may contribute to reduced energy and amino acidic expenditure 41 . Due to high fibre and total ash content, 9 intact red seaweeds are difficult to be included in poultry diet directly beyond 1–5% level due to potential dilution of nutrients and mineral imbalance.…”

Section: Discussionmentioning

confidence: 99%

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Dietary supplementation of extracts of red sea weed (Kappaphycus alvarezii) improves growth, intestinal morphology, expression of intestinal genes and immune responses in broiler chickens

et al. 2020

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BACKGROUNDEffects of supplementation of dried alkaline (referred to as MVP1) and aqueous (referred to as PBD1) extracts of Kappaphycus alvarezii, were evaluated in broiler (Vencobb 400) chickens (1–35 days post‐hatch). In experiment I, each of the seven diets (basal diet with three levels (0.5, 1.5 or 5.0 g kg−1 diet) of MVP1 or PBD1 and a negative control was fed to 12 pen replicates containing five birds in each. In experiment II, each of three diets [a negative control, and PBD1 at two levels (1.0 or 1.5 g kg−1 diet)] was fed to 16 pen replicates of five chicks in each.RESULTSConcentrations of total phenolics, phycobillins and free radical scavenging activity were higher (P < 0.01) whereas carrageenan was lower in PBD1 than in MVP1. In the experiment I, PBD1 at 1.5 g kg−1 diet improved (P < 0.05) body weight (BW) (7.11% higher). In the experiment II, both the treatments improved (P < 0.01) BW (9.18% and 8.47%, respectively) compared to the control. The group fed with PBD1@ 1.0 g kg−1 had higher (P < 0.05) haemagglutination inhibition titre, expression of intestinal claudin 2, TLR2A, NOD1, avian beta defensin 4, interleukin 2 and interleukin 6 genes than control. Treatments did not influence feed efficiency or levels of most of the antioxidant enzymes. Villus width and crypt depth were significantly higher in the group fed with 1.5 g kg−1 of PBD1.CONCLUSIONSupplementing dried aqueous extract of K. alvarezii at 1 g kg−1 diet may be an effective strategy to increase growth and immunity in broiler chickens. © 2020 Society of Chemical Industry

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Dietary supplementation of extracts of red sea weed (Kappaphycus alvarezii) improves growth, intestinal morphology, expression of intestinal genes and immune responses in broiler chickens

et al. 2020

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“…Other studies showed that dietary brown seaweeds in livestock had a positive effect on health, growth performance, and meat quality due to their nutraceuticals properties and content of sulfated polysaccharides, phlorotannins, diterpenes, omega-3 polyunsaturated fatty acids, minerals and vitamins [ 11 , 12 ]. Moreover, brown seaweeds represent a renewable and sustainable feed ingredient for their high productivity if compared to other conventional ingredients.…”

Section: Introductionmentioning

confidence: 99%

Effects of Long-Term Supplementation with Brown Seaweeds and Polyphenols in Rabbit on Meat Quality Parameters

Rossi

Vizzarri

Ratti

et al. 2020

Animals

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The objective of the present study was to evaluate the effects of dam and offspring dietary supplementation with a natural feed additive on the growth performance and meat quality parameters of growing rabbits. The growing rabbits are selected from lactating does receiving a control diet (C) or diets supplemented with 0.3% (SP1) and 0.6% (SP2) of feed additive containing brown seaweeds (Laminaria spp.) and plant extracts. In the postweaning phase, the growing rabbits remained in the treatment group defined by their does and the trial lasted 42 days. The average daily feed intake and feed conversion ratio were improved in the rabbit fed 0.6% of the natural feed additive. The cholesterol content tended to be lower in Longissimus lumborum (LL) muscle and decrease in Semimembranosus (SM) muscle (in SP2 −41.36% than controls). The α tocopherol and retinol content were enhanced in both muscles of rabbit fed the natural mixture (SP1 and SP2 groups). An improvement of sensory attributes of texture was observed in both muscles from rabbit fed natural mixture. In conclusion, long term supplementation of both lactating does and offspring with the high dosage of brown seaweed and plant polyphenols improves growth performance and enhances meat nutritional and sensory parameters.

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“…Specifically, VFAs produced in the large intestine contribute up to 11% of the total energy requirements in pigs, while the VFAs produced in the total hindgut contribute up to 25% of the energy requirements [ 9 ]. In particular, some VFAs like butyrate, are involved in the development of colonocytes, which leads to proper gut maturation [ 10 , 11 ]. They have also been shown to reduce the growth of potential pathogens (e.g., Clostridium and Salmonella ) and to promote the growth of beneficial bacteria (e.g., Lactobacilli spp.)…”

Section: Introductionmentioning

confidence: 99%

A Single Dose of Synbiotics and Vitamins at Birth Affects Piglet Microbiota before Weaning and Modifies Post-Weaning Performance

Girard

Tretola

Bee

2021

Animals

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Early-life microbial colonization is an important driver for the development and maturation of the gut. The present study aimed to determine whether a single-dose supplement given only at birth would improve piglet performance and modify their fecal microbiota during the suckling and post-weaning periods. At birth, piglets from eight litters received a supplement (SUP+) while piglets from six other litters received water (SUP−). All piglets were monitored until two weeks post-weaning, and fecal samples were collected on Day 16 of age and two weeks post-weaning (Day 39 ± 1). The supplementation resulted in an improvement of average daily gain during the whole experimental period, mainly due to a better growth and a reduction in the incidence of diarrhea in the post-weaning period. There were no differences in the abundance and diversity of the main taxa, although the supplementation increased the relative abundance of rare taxa, such as bacteria from the Saccharibacteria and Cyanobacteria phyla, and the Lentisphaeria class in the suckling period. In addition, at 16 days of age, SUP+ piglets had a more diverse core microbiota, with bacteria from the Lactobacillus genus being present in the core microbiota of SUP+ piglets and absent from SUP− piglets. Therefore, the enhanced growth performance and reduction in diarrhea seem to be related to changes in fecal microbiota during the suckling period rather than at two weeks post-weaning.

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Seaweeds in Pig Nutrition

Cited by 71 publications

References 120 publications

Dietary supplementation of extracts of red sea weed (Kappaphycus alvarezii) improves growth, intestinal morphology, expression of intestinal genes and immune responses in broiler chickens

Dietary supplementation of extracts of red sea weed (Kappaphycus alvarezii) improves growth, intestinal morphology, expression of intestinal genes and immune responses in broiler chickens

Effects of Long-Term Supplementation with Brown Seaweeds and Polyphenols in Rabbit on Meat Quality Parameters

A Single Dose of Synbiotics and Vitamins at Birth Affects Piglet Microbiota before Weaning and Modifies Post-Weaning Performance

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