Small intestine development of laying hens fed different fiber sources diets and crude protein levels

Praes, Mffm F. F. M.; Pereira, Adriana Aparecida; Sgavioli, Sarah; Duarte, Karina Ferreira; Alva, J. C. R.; Domingues, Carla Heloísa de Faria; Puzzoti, MM; Junqueira, Otto Mack

doi:10.1590/s1516-635x2011000300004

Cited by 6 publications

(4 citation statements)

References 6 publications

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“…In the present study, control and 4% SH groups had the highest jejunal villi height among the treatments. These results are in agreement with those of Praes et al. (2011) who observed that laying hens fed 7.5% soy hulls had an improvement in duodenal and jejunal villus height compared with other fiber sources; however, they did not observe differences in performance as seen in the present study.…”

Section: Discussionsupporting

confidence: 94%

The effects of cellulose and soybean hulls as sources of dietary fiber on the growth performance, organ growth, gut histomorphology, and nutrient digestibility of broiler chickens

Tejeda

Kim

2020

Poultry Science

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This study evaluated the effects of dietary fiber provided as purified cellulose (Solka-Floc, SF) or soybean hulls ( SH ) on the growth performance, organ growth, intestinal histomorphology, and nutrient digestibility. A total of 420 one-day-old Cobb male broilers were randomly assigned to 7 dietary treatments and reared to 20 d of age in battery cages (n = 6 replicates per treatment). The control group consisted of a simple corn and soybean-meal–based diet. The 6 fiber treatments had increasing amounts of SF or SH to achieve 4, 6, and 8% crude fiber ( CF ). Chromium oxide was added as an indigestible marker at 0.3% in all treatment diets from 14 to 20 d for nutrient digestibility analyses. Weights for digestive organs were taken on day 20. Growth performance was measured weekly. Birds fed 4% SH diet had a higher day 20 body weight gain than those fed 8% CF regardless of fiber sources ( P = 0.0118). Control and 4% SH groups had the best feed conversion ratio among the treatments at 7, 14, and 20 d ( P < 0.05). SH-containing diets had heavier relative gizzard and intestine weights ( P < 0.001). Birds fed 8% SH diets had the highest duodenal villi height among the treatments ( P < 0.001). Birds fed control and 4% SH had the highest jejunal villi height among the treatments ( P < 0.001). Birds fed 4% SF and 4% SH had the highest ileal villi height among the treatments ( P < 0.001). Dry matter digestibility was higher in 6% SF than in 8% SH ( P = 0.0105). In general, birds fed high-SH diets had higher amino acid digestibility ( P < 0.001). In conclusion, the study suggests that fiber type and inclusion level are crucial factors regulating intestinal development, nutrient digestion, and growth performance.

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Section: Discussionsupporting

confidence: 94%

The effects of cellulose and soybean hulls as sources of dietary fiber on the growth performance, organ growth, gut histomorphology, and nutrient digestibility of broiler chickens

Tejeda

Kim

2020

Poultry Science

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“…Some authors reported a decrease in villi height when using high levels of crude fibre provided from sunflower meal (Kalmendal et al, 2011) or sugar beet pulp (Sadeghi et al, 2015) in laying hens diet. Contrary to previously results Praes et al (2011) reported higher villus height, crypt depth development and a reduced VH/CD ratio values when fed rice husks (5% CF and 16% CP). Souza et al (2014) found that using 3.2% CF, xylanase enzyme (0.01%) and 2800 kcal/kg, the crypt depth and villus:crypt ratio from jejunum were significant influenced (p<0.05) due to the interaction between energy level and enzyme supplementation.…”

Section: Cholesterol Concentration Within Eggs Serum and Organscontrasting

confidence: 99%

Effects of High Fiber Ingredients with Enzyme/Phytoadditive Addition on Laying Hens Productive Performances, Egg Nutritional Quality and Intestinal Morphology

Panaite

Cornescu

Sărăcilă

et al. 2021

Archiva Zootechnica

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Fibre inclusion in laying hen diets it is considered a solution to reduce feed formulation costs by improving nutrients absorption and metabolization within the gastrointestinal tract. A 5-wk study was conducted on 200, Tetra SL layers (28 weeks) randomly allocated in 5 groups (C, E1, E2, E3, E4, respectively), with initial average weights of 1732.26±109.35 g/hen, housed (4 hens/cage; 10 cages/group; 40 hens/group). All groups had the same basic feed compound structure (corn, oil, soybean meal and sunflower meal). The conventional diet (C group) contained 2780 kcal/kg Metabolizable energy (ME); 17.5% Crude protein (CP); 4.39% Crude fibre (CF). The experimental diets added 16.56% sunflower meal and 20% rice bran, increasing the dietary cellulose up to 7%. The fibre digestibility was improved using on E2 (0.015% enzyme); E3 (0.015% phytoadditive) and E4 (0.015% enzyme + 0.015% phytoadditive). The high fibre diets had no negative impact on productive performances and egg quality parameters. Yolk cholesterol significantly decreased (P<0.05) on E1, E3 and E4 groups compared to C, E2 groups. Villi height increased significantly (P<0.05) on E2 group compared to all other groups. In conclusion, the high dietary crude fibre (7%), additional enzymes/phyto additives, can improve the nutrient digestibility and intestinal morphology with beneficial effects on health and egg quality.

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“…Studies have shown that an 8% CF level diet with soybean hulls as the fiber source could significantly increase the VH of the duodenum, jejunum and ileum of broilers [ 18 , 53 ]. The VH of the duodenum and jejunum of laying hens fed 5% CF diets with 7.5% soybean hulls were improved compared with the control group fed the basal diet with 2% CF [ 54 ]. A further study showed that feeding isonitrogetic and isoenergetic diets with CF levels from 2.8% to 9% to turkeys resulted in an increase in the number and size of villi in all sections of the small intestine in groups fed a diet containing higher fiber levels [ 11 ].…”

Section: Discussionmentioning

confidence: 99%

Dietary Fiber Level Improve Growth Performance, Nutrient Digestibility, Immune and Intestinal Morphology of Broilers from Day 22 to 42

Zhang

Hao

Chen

et al. 2023

Animals

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There are few systematic studies on the dietary fiber requirements of broilers in the late feeding stage, and there are not enough data to support this hypothesis. This experiment was conducted to examine the effects of dietary fiber level on growth performance, nutrient digestibility, immune function and intestinal morphology of broilers from day 22 to 42. A total of 480 one-day-old Arbor Acres broilers with half male and half female were randomly allocated into four groups, with eight replicates in each group and fifteen chickens in each replicate. The experimental period was 42 days. All broilers were fed a basal diet from 1 to 21 days. During the 22–42 day period, the four experimental groups were fed diets with soybean hulls as the fiber source, and crude fiber (CF) levels were 2%, 5%, 8% and 11%, respectively. The results showed that during the 29–42 day period, the average daily feed intake (ADFI) of broilers was higher in the 5% CF and 8% CF groups (p < 0.05), and during the 29–35 day period, the average daily gain (ADG) of broilers was higher and the ratio of feed and gain (F/G) of broilers was lower in the 5% CF and 8% CF groups (p < 0.05). The digestibility of crude protein (CP), ether extract (EE), CF, acid detergent fiber (ADF) and neutral detergent fiber (NDF) was higher in broilers of the 8% CF group (p < 0.05). The immunoglobulin A (IgA), immunoglobulin G (IgG) and immunoglobulin M (IgM) content of the plasma of broilers was higher in the 8% CF group (p < 0.05). The villus height (VH) of the duodenum, jejunum and ileum of broilers was higher, and the crypt depth (CD) was lower in the 8% CF group than that in the 2% CF group (p < 0.05). The ratio of VH and CD (V/C) of the duodenum and jejunum of broilers in the 8% CF group was higher than that in the 2% CF group (p < 0.05). The quadratic regression analysis showed that the optimum dietary CF level was 7–9%. In conclusion, under the conditions of this experiment, a diet of 7–9% CF may promote growth performance by improving the nutrient digestibility, immunity and intestinal morphology of broilers from day 22 to 42.

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Small intestine development of laying hens fed different fiber sources diets and crude protein levels

Cited by 6 publications

References 6 publications

The effects of cellulose and soybean hulls as sources of dietary fiber on the growth performance, organ growth, gut histomorphology, and nutrient digestibility of broiler chickens

The effects of cellulose and soybean hulls as sources of dietary fiber on the growth performance, organ growth, gut histomorphology, and nutrient digestibility of broiler chickens

Effects of High Fiber Ingredients with Enzyme/Phytoadditive Addition on Laying Hens Productive Performances, Egg Nutritional Quality and Intestinal Morphology

Dietary Fiber Level Improve Growth Performance, Nutrient Digestibility, Immune and Intestinal Morphology of Broilers from Day 22 to 42

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