Effect of Dietary Inclusion of Rice Husk Supplemented with Commercial Enzymes on Performance, Nutrient Retention and Gastro-intestinal Tract Characteristics of Arbor Acres Broilers

Alabi, O.O.; Atteh, J. O.; Ogunniyi, P. T.

doi:10.9734/ajea/2014/7254

Cited by 5 publications

(7 citation statements)

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“…Dried brewers' grains contain nonstarch polysaccharides, which reduce the utilization of nutrients. Replacing feeds such as corn with high-fibre sources could reduce the viscosity of the digestive tract content and interfere with nutrient digestion and absorption, consequently reducing bodyweight and carcass quality (Alabi et al, 2014). However, this effect did not occur in the present study, demonstrating that these levels were adequate to maintain bird performance that was similar to those that received the treatment without DBG inclusion (0 g/kg).…”

Section: Resultscontrasting

confidence: 58%

“…This residue is of variable composition, since it may consist of a variety of grains, of which the most commonly used are barley, wheat, corn, rice and oats (Abd El-Hack et al, 2019). After the fermentation process, the remaining insoluble material contains raw fibre fractions, ether extract, crude protein, amino acids, starch, minerals and vitamins (Ashour et al, 2019;Alabi et al, 2014), predominantly protein and fibre, owing to the removal of starch in the production process (Mussato et al, 2006). Brewers' grains are obtained in wet form.…”

Section: Introductionmentioning

confidence: 99%

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Impact of dried brewers’ grains supplementation on performance, metabolism and meat quality of broiler chickens

Parpinelli

Cella

Eyng³

et al. 2020

SA J. An. Sci.

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The objective was to evaluate increasing levels of dried brewers’ grains (DBG) in feed for broiler chickens from 1 to 21 days old and their effect on performance, blood parameters, intestinal morphometry, carcass characteristics and meat quality. The design was completely randomized with six treatments, which consisted of various levels of DBG inclusion, namely 0 (no inclusion), 20, 40, 60, 80, and 100 g/kg with seven replications and 17 animals per experimental unit, totalling 714 male broilers. Performance parameters, blood biochemical profile, morphology of the intestinal epithelium (duodenum), and carcass yield and composition were evaluated. Feed intake was not changed by DBG inclusion levels. Nor were weight gain and feed conversion ratio. Serum cholesterol levels were not influenced, and there were no effects on triglyceride, uric acid and creatinine levels. Enzyme aspartate aminotransferase showed a quadratic effect, as did alanine aminotransferase, with higher values at 79.5 and 63.9 g/kg DBG inclusion, respectively. No changes in carcass yield and relative organ weight were observed. The composition of the carcass in ether extract showed a quadratic effect, as fat deposition rate, with lowest values at 62.8 and 62.4 g/kg of DBG inclusion levels, respectively. Crude protein levels in carcass reduced linearly, as did fat deposition rate. The parameters of intestinal morphology and meat quality were not changed. Dried brewers’ grains can be included in broiler diet from 1 to 21 days at levels up to 100 g/kg without influencing the metabolic parameters and broiler performance. Keywords: alternative feed, blood, by-product, intestinal villi, performance

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Section: Resultscontrasting

confidence: 58%

Section: Introductionmentioning

confidence: 99%

Impact of dried brewers’ grains supplementation on performance, metabolism and meat quality of broiler chickens

Parpinelli

Cella

Eyng³

et al. 2020

SA J. An. Sci.

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show abstract

“…Aghabeigi et al (2013) concluded that the addition of DBG up 20%, in broiler chick diets through 11 to 42 days and 5% DBG through 25 to 42 days approached the growth of the control birds. Alabi et al (2014) found that increasing the level of DBG up to 25% without commercial enzyme supplementation resulted in a decrease in weight gain. It could be concluded that merging DBG with the broiler diet did not have positive effects on growth performance traits.…”

Section: Resultsmentioning

confidence: 97%

“…DBG contains a high concentration of non-starch polysaccharides and tannins, which have been shown to interfere with the efficiency of feed utilization in monogastric organisms, thus inhibiting the absorption of essential nutrients and digestive enzymes, and hence decreasing feed utilization (Lacassagne, 1998). Furthermore, Alabi et al (2014) demonstrated that when the dietary level of BDG increased, FCR decreased. Data in Table 3 showed that broiler chicks exposed to 9% BDG recorded the best (P < 0.01) economic efficiency value compared with the other treatments.…”

Section: Resultsmentioning

confidence: 99%

Impacts of dietary inclusion of dried brewers’ grains on growth, carcass traits, meat quality, nutrient digestibility and blood biochemical indices of broilers

Ashour¹,

El‐Hack²,

El‐Hindawy³

et al. 2019

SA J. An. Sci.

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The current investigation aimed to evaluate the effect of dietary inclusion of dried brewers' grains (DBG) on growth performance, carcass traits, meat quality, nutrient digestibility, blood biochemical constituents and antioxidant indices of broiler chickens. A total of 300 unsexed one-week-old Hubbard chicks were randomly allotted to five treatment groups. The dietary treatments consisted of a basal diet as the control and DBG groups (3%, 6%, 9% and 12%, respectively). The best feed conversion ratio (FCR) was found in the group of birds fed a diet containing 9% DBG, compared the other groups. Dressing and abdominal fat percentages decreased significantly but gradually with the elevated DBG level in the diets from 6% to 12%. The inclusion of DBG in broiler diets resulted in significant positive effects on all of the sensory evaluation indicators except appearance and tenderness. Broilers fed a diet containing 3% DBG had significant higher of digestion coefficients for crude protein than those fed on the other experimental diets. Based on growth performance and health status, 3% or 9% DBG may be the optimum percentages for inclusion in the diets of poultry until six weeks old. In addition, DBG exerted several health benefits in meat, which would be reflected positively on human health.

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“…However, the use of DBG in poultry feed has certain limitations such as elevated moisture content, non-starch polysaccharides (NSP) and tannins hindering feed utilization and inhibiting the digestive enzymes and nutrients absorption [8]. Adding different exogenous enzymes is one option to mitigate ANF and improve DBG utilization, in addition to supporting bird's endogenous enzymes and nutrient absorption thus improving digestibility and availability of nutrients [9,10]. However, supplementation of exogenous enzymes in poultry feed still have limitations which reduce their beneficial effects, such as the wide range of pH along bird's GIT (while their optimum pH is between 4 and 6), the shorter time for digesta retention in proximal GIT (their main site of action) and the possibility of hydrolysis by endogenous proteolytic enzymes [11].…”

Section: Introductionmentioning

confidence: 99%

Effects of graded levels of microbial fermented or enzymatically treated dried brewer’s grains on growth, digestive and nutrient transporter genes expression and cost effectiveness in broiler chickens

et al. 2020

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Background Poultry feed consists mainly of conventional grains and protein supplements, however, using treated unconventional agro-industrial by-products as replacements of corn soybean-based diet can minimize production costs and improve productivity. Therefore, in this study, the effects of fermented or enzymatically treated dried brewer grains (DBG) on growth, expression of digestive enzymes and nutrient transporters genes and the profitability of the rations were evaluated. A total of 1600 one-day-old Ross 308 broiler chicks were randomly distributed in 2 × 4 factorial arrangement (eight treatments with ten replicates, 20 birds/replicate). Experimental diets included two controls; negative control (basal corn-soybean diet; NC) and positive control (basal corn-soybean diet with exogenous enzymes; PC), and six diets in which basal diet was replaced by three levels of fermented DBG (FDBG; 5, 10 or 15%), or enzyme-treated DBG (DBG 5, 10 or 15%+Enz), for 38 days. Results The results described that feeding FDBG (three levels) or DBG5%+Enz improved (P < 0.05) BW gain and feed efficiency of broilers. Also, feeding FDBG10% yielded the best improvement in weight gain (10%), compared to NC group. Increasing the inclusion levels of DBG either fermented or enzymatically treated up-regulated (p < 0.01) expression of digestive-genes in proventriculus (PGC and PGA5, range 1.4–1.8 fold), pancreas (AMY2A, PNLIP, CELA1, and CCK; range 1.2–2.3 fold) and duodenum (CAT1, CAT2, GLUT1, GLUT2, LAT1, Pep1; range 1.3-3 fold) when compared to NC group. Feeding treated DBG significantly increased (p < 0.05, range 4.5–13.6%) gizzard relative weight compared to NC and PC groups. An additional benefit was lower (p < 0.01) cholesterol content from 66.9 mg/100 mg (NC) to 62.8 mg/100 mg (FDBG5 or 10%) in thigh meat. Furthermore, the least cost feed/kg body gain was achieved in FDBG10% and DBG5%+Enz groups, with approx. 16% reduction compared to NC cost, leading to increasing the income gross margin by 47% and 40% in FDBG10% and DBG5%+Enz groups, respectively. Conclusions Substitution of corn-soybean based diet with 10% FDBG or 5% DBG+Enz resulted in better growth and higher economic efficiency of broilers chickens.

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Effect of Dietary Inclusion of Rice Husk Supplemented with Commercial Enzymes on Performance, Nutrient Retention and Gastro-intestinal Tract Characteristics of Arbor Acres Broilers

Cited by 5 publications

References 0 publications

Impact of dried brewers’ grains supplementation on performance, metabolism and meat quality of broiler chickens

Impact of dried brewers’ grains supplementation on performance, metabolism and meat quality of broiler chickens

Impacts of dietary inclusion of dried brewers’ grains on growth, carcass traits, meat quality, nutrient digestibility and blood biochemical indices of broilers

Effects of graded levels of microbial fermented or enzymatically treated dried brewer’s grains on growth, digestive and nutrient transporter genes expression and cost effectiveness in broiler chickens

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