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- Title
Feeding a Novel Mannan-Rich Yeast Carbohydrate Product Improves Production Performance and Humoral Immunity of Broiler Chickens.
- Authors
Wang, Anhao; Archile, Anangelina; Patterson, Rob
- Abstract
Simple Summary: As demands for high-quality protein like chicken meat constantly rise, producers and researchers are actively looking for ways to continuously improve chicken health and performance. The present study examined the effectiveness of a novel mannan-rich yeast carbohydrate product to improve chicken growth performance and immunity. We demonstrated that supplementing mannan-rich yeast carbohydrate improved broiler chicken feed efficiency and antibody immune responses. Our study suggested that the novel mannan-rich yeast carbohydrate product has significant potential for use in poultry production. The current study examined the benefits of a novel mannan-rich yeast carbohydrate product (YM) on broiler chicken growth performance and immune response against sheep red blood cells (SRBCs). A total of 144 newly hatched male Cornish cross broiler chicks were randomly assigned to four treatments with 12 cages per treatment and three birds per cage. The treatments were (1) control, basal diet; (2) YCW, basal diet + 1 g/kg yeast cell wall; (3) YM1, basal diet + 0.5 g/kg of a novel yeast mannan-rich product (YM); and (4) YM2, basal diet + 1 g/kg YM. Growth performance was measured at 14, 28, and 35 days of age (d). At 26 and 27 d, nine birds per treatment were immunized intravenously with SRBCs, and antibody responses against SRBCs were analyzed through a hemagglutination assay 7 days post-inoculation. Supplementing YM tended to improve broiler chicken weight gain from 29 to 35 d (p = 0.053). An improvement in the feed conversion ratio (FCR) was observed in the birds fed YM diets during 29–35 d and over the entire experimental period (0–35 d; p < 0.05). Furthermore, birds fed YM2 diets had more robust antibody responses against SRBCs than the control birds (p = 0.033). In conclusion, dietary supplementation of YM improved broiler chicken growth performance and antibody response against SRBCs.
- Subjects
BROILER chickens; POULTRY growth; HUMORAL immunity; CHICKEN as food; PRODUCT improvement; ERYTHROCYTES
- Publication
Animals (2076-2615), 2024, Vol 14, Issue 11, p1667
- ISSN
2076-2615
- Publication type
Article
- DOI
10.3390/ani14111667