Effects of different levels of canola meal peptides on growth performance and blood metabolites in broiler chickens

Karimzadeh, S.; Rezaei, Mansour; Yansari, A. Teimouri

doi:10.1016/j.livsci.2017.06.013

Cited by 15 publications

(9 citation statements)

References 20 publications

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“…Antioxidant activity of broiler could be assessed based on its SOD activity status. A similar result to the present finding, Karimzadeh et al (2017b) reported the increase of SOD activity in broilers at 42 days by AMP addition in the form of recombinant plectacin. SOD is an enzyme for neutralizing the activity of free radicals such as peroxide and super peroxide (Corpas et al, 2006).…”

Section: Effect Of Amp Addition On Immune Response and Antioxidant Activity Of Broilersupporting

confidence: 93%

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A Meta-analysis of Antimicrobial Peptide Effects on Intestinal Bacteria, Immune Response, and Antioxidant Activity of Broilers

Sholikin

Wahyudi

Jayanegara

et al. 2021

Trop. Anim. Sci. J.

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This study used a meta-analysis to systematically assess the effect of antimicrobial peptide (AMP) addition on the number of bacteria, immune responses, and antioxidant activity of broilers. The database was compiled from 29 post evaluation articles that were found in search engines consisted of 36 experiments and 111 data. The mixed model method was used to assess the effect of AMP, with AMP addition level as a fixed effect and experiment as a random effect. The fixed effect was tested for linear and quadratic models. The quadratic model was retained when significant at p<0.05 but turned into its corresponding linear model when insignificant. In the starter phase, AMP addition decreased the number of bacteria in the ileum (coliform and total aerobic bacteria (TAB); (p<0.05), the caecum (Clostridium spp., Escherichia coli, coliform, and lactic acid bacteria (LAB); p<0.05), and excreta (Clostridium spp.; p<0.1). Similarly, the number of bacteria also declined in the ileum (Escherichia coli, p<0.05; TAB, p<0.1), the caecum (LAB; p<0.1), and excreta (Clostridium spp.; p<0.05) of broilers in the finisher phase. There were significant improvements in immune response and antioxidant activity in starter broiler, as indicated by the titer of Newcastle disease (ND) antibody, bursal index, spleen index, and thymus index (p<0.05) due to AMP addition. Variables of immunoglobulin M (IgM), cluster of differentiation 4 (CD4), ND antibody titer, bursal index, spleen index, and thymus index were also significantly increased (p<0.05) while superoxide dismutase activity (SOD activity) tended to increase (p<0.1) in finisher broiler following the AMP addition. In short, AMP addition is able to suppress the number of pathogenic bacteria and increase the immune response and antioxidant activity of broilers.

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Section: Effect Of Amp Addition On Immune Response and Antioxidant Activity Of Broilersupporting

confidence: 93%

“…Based on equation ( 5), SOD activity increased from 9.35 up to 21.92% inhibition. Karimzadeh et al (2017b)…”

Section: Resultsmentioning

confidence: 99%

A Meta-analysis of Antimicrobial Peptide Effects on Intestinal Bacteria, Immune Response, and Antioxidant Activity of Broilers

Sholikin

Wahyudi

Jayanegara

et al. 2021

Trop. Anim. Sci. J.

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“…al. 2016, Karimzadeh et al 2017, Ashayerizadeh et al 2018. Uric acid is a marker of protein catabolism and is the most important excreted nitrogen product in birds.…”

Section: Resultsmentioning

confidence: 99%

Effect of canola processing by bacteria, fungi, and enzyme on the intestine traits and blood metabolites of broiler breeder hens

Dolatifard

Jafari

2021

Indian J of Anim Sci

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Anti-nutritional factors of canola meal are reduced by processing. The purpose of the current research was to study the canola processing effect on the intestinal traits and blood metabolites of broiler breeder hens. Broiler breeder hens (450) were reared for 12 weeks. A completely randomized design was used with 6 treatments (unprocessed, processed by Lactobacillus plantarum, Bacillus subtilis, Aspergillus oryzae, Neurospora cytophilla, and Alkalase enzyme) and 5 replications. The LS-means procedure of SAS statistical software was used for the analysis of the data. The treatmentsâ€™ effect was significant on all blood metabolites. Process methods were increased glucose concentration and HDL. The effect of processing methods was significant on caecum, jejunum, and duodenum. The use of experimental treatments increased the weight of the small intestine (duodenum and jejunum) and decreased caecum weight. The processing of canola meal increased the length of the villi and decreased the depth of the crypt of jejunum. The canola process improved its digestibility. Protein quality, fatty acid profile, and antimicrobial properties were improved. The processed canola used by the bird improves its traits and can be recommended to use in the ration.

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“…The animal tissuederived AMPs such as swine antibacterial peptide (200 mg/kg of diet) improved the broilers final body weight (Bao et al, 2009). In addition, plant-derived AMPs, such as canola meal bioactive peptide (200 mg/kg of diet), also positively increased ADG of broilers (Karimzadeh et al, 2017b).…”

Section: Discussionmentioning

confidence: 99%

Antimicrobial peptides as an additive in broiler chicken nutrition: a meta-analysis of bird performance, nutrient digestibility and serum metabolites

Sholikin¹,

Sadarman²,

Irawan³

et al. 2021

J. Anim. Feed Sci.

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The present meta-analysis evaluated the effect of the level of antimicrobial peptides (AMPs) on broiler chicken growth performance, digestibility, small intestine morphology and blood serum parameters. The database was developed from 29 articles comprising 36 experiments. Data were analyzed using a mixed model methodology considering the levels of AMPs as fixed effects and different studies as random effects. It was shown that an increased AMPs addition level quadratically influenced body weight (BW), average daily gain (ADG) and feed conversion ratio (FCR) (P < 0.05). Simultaneously, it linearly reduced mortality (P < 0.05) both in the starter and finisher periods. There was a linear increase in metabolizable energy (P < 0.05). Small intestine morphology in the duodenum, as indicated by villus height and villus height to crypt depth ratio linearly increased, while the crypt depth was linearly decreased (P < 0.05). The mucosa thickness was quadratically affected in the jejunum, while the crypt depth linearly decreased (P < 0.05). Categorical analysis showed that AMPs had a comparable effect with antibiotics on broiler performance (BW, ADG, FCR) (P > 0.05); however the improvement in comparasion with the non-supplemented group was stated (P < 0.01). In conclusion, it is evidenced that AMPs can be used as an effective replacer of antibiotic growth promoters (AGP) because they can improve growth performance, digestibility, small intestine morphology and blood serum parameters of broiler in all rearing periods. Also, the optimal doses of dietary AMPs addition at 337 and 359 mg/kg of diet for the starter and finisher phases, respectively are suggested.

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Effects of different levels of canola meal peptides on growth performance and blood metabolites in broiler chickens

Cited by 15 publications

References 20 publications

A Meta-analysis of Antimicrobial Peptide Effects on Intestinal Bacteria, Immune Response, and Antioxidant Activity of Broilers

A Meta-analysis of Antimicrobial Peptide Effects on Intestinal Bacteria, Immune Response, and Antioxidant Activity of Broilers

Effect of canola processing by bacteria, fungi, and enzyme on the intestine traits and blood metabolites of broiler breeder hens

Antimicrobial peptides as an additive in broiler chicken nutrition: a meta-analysis of bird performance, nutrient digestibility and serum metabolites

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