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Standardized Plant Extract Alleviates the Negative Effects of FMD Vaccination on Animal Performance.

ABSTRACT: The present study was conducted to assess the efficacy of a plant extract (PE) on growth performance and immune status in foot and mouth disease (FMD)-vaccinated growing pigs. A total of 120 crossed ((Landrace × Yorkshire) × Duroc) growing pigs with an average initial body weight (BW) of 24.66 ± 2.34 kg and an average age of 70 days were randomized into three groups (10 pens; 4 pigs per pen per treatment) as follows: a nonvaccinated negative control group (NV), a FMD vaccinated group (OV), and a third group received a 0.0125% PE supplement after vaccination (PV), in a 6-week trial. The PV group receiving PE supplementation increased (p < 0.05) the BW compared with the OV group, and average daily gain (ADG) during days 1-14, overall and gain-to-feed ratio (G: F) in days 1-14, and dry matter (DM) digestibility at week 6 were higher (p < 0.05) in the PV compared with the OV group. A significant increase (p < 0.05) in haptoglobin concentration was observed in the OV group compared with the NV group at 25 days postvaccination. The inhibition percentage of antibodies against FMD in the sera reached above 50% in the PV group 5 days earlier than in the OV group. The findings suggest that the inclusion of PE in the diet promoted the performance of vaccinated growing pigs.

SUBMITTER: Upadhaya SD

PROVIDER: S-EPMC7143122 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Standardized Plant Extract Alleviates the Negative Effects of FMD Vaccination on Animal Performance.

Upadhaya Santi Devi SD Kim Yong Min YM Shi Huan H Le Cour Grandmaison Josselin J Blanchard Alexandra A Kim In Ho IH

Animals : an open access journal from MDPI 20200309 3

The present study was conducted to assess the efficacy of a plant extract (PE) on growth performance and immune status in foot and mouth disease (FMD)-vaccinated growing pigs. A total of 120 crossed ((Landrace × Yorkshire) × Duroc) growing pigs with an average initial body weight (BW) of 24.66 ± 2.34 kg and an average age of 70 days were randomized into three groups (10 pens; 4 pigs per pen per treatment) as follows: a nonvaccinated negative control group (NV), a FMD vaccinated group (OV), and a ...[more]

PMID: 32182817

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Project description:The present study investigated the protective efficacy of dietary supplementation with clove essential oil (CEO), its main constituent eugenol (EUG), and their nanoformulated emulsions (Nano-CEO and Nano-EUG) against experimental coccidiosis in broiler chickens. To this aim, various parameters (oocyst number per gram of excreta (OPG), daily weight gain (DWG), daily feed intake (DFI), feed conversion ratio (FCR), serum concentrations of total proteins (TP), albumin (ALB), globulins (GLB), triglycerides (TG), cholesterol (CHO) and glucose (GLU), serum activity of superoxide dismutase (SOD), glutathione s-transferase (GST), and glutathione peroxidase (GPx)] were compared among groups receiving CEO supplemented feed (CEO), Nano-CEO supplemented feed (Nano-CEO), EUG supplemented feed (EUG), Nano-EUG supplemented feed (Nano-EUG), diclazuril supplemented feed (standard treatment, ST), or basal diet [diseased control (d-CON) and healthy control (h-CON)), from days 1-42. Chickens of all groups, except h-CON, were challenged with mixed Eimeria spp. at 14 days of age. Coccidiosis development in d-CON was associated with impaired productivity (lower DWG and higher DFI and FCR relative to h-CON; p < 0.05) and altered serum biochemistry (decreased TP, ALB, and GLB concentrations and SOD, GST, and GPx activities relative to h-CON; p < 0.05). ST effectively controlled coccidiosis infection by significantly decreasing OPG values compared with d-CON (p < 0.05) and maintaining zootechnical and serum biochemical parameters at levels close to (DWG, FCR; p < 0.05) or not different from (DFI, TP, ALB, GLB, SOD, GST, and GPx) those of h-CON. Among the phytogenic supplemented (PS) groups, all showed decreased OPG values compared with d-CON (p < 0.05), with the lowest value being measured in Nano-EUG. All PS groups showed better values of DFI and FCR than d-CON (p < 0.05), but only in Nano-EUG were these parameters, along with DWG, not different from those of ST. Furthermore, Nano-EUG was the only PS group having all serum biochemical values not different (or even slightly improved) relative to ST and h-CON. In conclusion, the tested PS diets, especially Nano-EUG, can limit the deleterious effects of coccidiosis in broiler chickens, due to anticoccidial activity and possibly their reported antioxidant and anti-inflammatory properties, thereby representing a potential green alternative to synthetic anticoccidials.

Dataset Information

Standardized Plant Extract Alleviates the Negative Effects of FMD Vaccination on Animal Performance.

Publications

Standardized Plant Extract Alleviates the Negative Effects of FMD Vaccination on Animal Performance.

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