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Cho HM, Hong JS, Kim YB, Nawarathne SR, Choi I, Yi YJ, Wu D, Lee H, Han SE, Nam KT, Seoung EI, Heo JM. Responses in growth performance and nutrient digestibility to a multi-protease supplementation in amino acid-deficient broiler diets. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2020; 62:840-853. [PMID: 33987564 PMCID: PMC7721581 DOI: 10.5187/jast.2020.62.6.840] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 09/23/2020] [Accepted: 09/23/2020] [Indexed: 11/20/2022]
Abstract
The present study was conducted to investigate the effect of a multi-protease on
production indicators of broiler chickens fed a crude protein and amino acid
deficient-diets for 35 days immediately after hatch. A total of 448 one-day-old
Ross 308 male broiler chicks were allocated in a completely randomized design
into one of eight dietary treatments (positive control [PC], negative control
[NC: minus 0.5% from PC, and minus 2% of lysine, methionine, threonine and
methionine plus cysteine], extreme negative control [ENC: minus 1% from PC,
minus 4% of lysine, methionine, threonine and methionine plus cysteine], and
plus multi-protease 150 or 300 g per ton [e. g., PC-150]; PC, PC-150, NC,
NC-150, NC-300, ENC, ENC-150, ENC-300) to give eight replicates with seven birds
in a battery cage. Body weight, average daily gain, average daily feed intake,
feed conversion ratio, and mortality were measured every week. Carcass traits,
proximate analysis of breast meat, and ileum digestibility were analyzed on day
21 and 35. Feeding a multi-protease (i.e., more than 150 g/ton) for 35 days
immediately after hatching improved feed efficiency and ileum digestibility
(i.e., dry matter, crude protein, and energy) compared to their counterparts
(i.e., diets without multi-protease: PC, NC, and ENC). In conclusion, our
results indicated that broiler chickens fed nutrients deficient-diet (i.e.,
crude protein and amino acids) supplemented a multi-protease had an ability to
compensate and (or) improve their growth performance commensurate with increased
ileal digestibility for 35 days immediately after hatch.
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Affiliation(s)
- Hyun Min Cho
- Department of Animal Science and Biotechnology, Chungnam National University, Daejeon 34134, Korea
| | - Jun Sun Hong
- Department of Animal Science and Biotechnology, Chungnam National University, Daejeon 34134, Korea
| | - Yu Bin Kim
- Department of Animal Science and Biotechnology, Chungnam National University, Daejeon 34134, Korea
| | - Shan Randima Nawarathne
- Department of Animal Science and Biotechnology, Chungnam National University, Daejeon 34134, Korea
| | - Inchul Choi
- Department of Animal Science and Biotechnology, Chungnam National University, Daejeon 34134, Korea
| | - Young-Joo Yi
- Department of Agricultural Education, College of Education, Sunchon National University, Suncheon 57922, Korea
| | - Di Wu
- Kemin Industries, Inc., 12 Senoko Drive 758200, Singapore
| | - Hans Lee
- Kemin Industries, Inc., 12 Senoko Drive 758200, Singapore
| | - Seung Eun Han
- Kemin Industries, Inc., 12 Senoko Drive 758200, Singapore
| | - Ki Taeg Nam
- Department of Animal Science and Biotechnology, Hankyong National University, Anseong 17579, Korea
| | - Eun Il Seoung
- Department of Animal Science and Biotechnology, Hankyong National University, Anseong 17579, Korea
| | - Jung Min Heo
- Department of Animal Science and Biotechnology, Chungnam National University, Daejeon 34134, Korea
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dos Santos ROF, Bassi LS, Schramm VG, da Rocha C, Dahlke F, Krabbe EL, Maiorka A. Effect of conditioning temperature and retention time on pellet quality, ileal digestibility, and growth performance of broiler chickens. Livest Sci 2020. [DOI: 10.1016/j.livsci.2020.104110] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Integrative Structural and Computational Biology of Phytases for the Animal Feed Industry. Catalysts 2020. [DOI: 10.3390/catal10080844] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Resistance to high temperature, acidic pH and proteolytic degradation during the pelleting process and in the digestive tract are important features of phytases as animal feed. The integration of insights from structural and in silico analyses into factors affecting thermostability, acid stability, proteolytic stability, catalytic efficiency and specific activity, as well as N-glycosylation, could improve the limitations of marginal stable biocatalysts with trade-offs between stability and activity. Synergistic mutations give additional benefits to single substitutions. Rigidifying the flexible loops or inter-molecular interactions by reinforcing non-bonded interactions or disulfide bonds, based on structural and roof mean square fluctuation (RMSF) analyses, are contributing factors to thermostability. Acid stability is normally achieved by targeting the vicinity residue at the active site or at the neighboring active site loop or the pocket edge adjacent to the active site. Extending the positively charged surface, altering protease cleavage sites and reducing the affinity of protease towards phytase are among the reported contributing factors to improving proteolytic stability. Remodeling the active site and removing steric hindrance could enhance phytase activity. N-glycosylation conferred improved thermostability, proteases degradation and pH activity. Hence, the integration of structural and computational biology paves the way to phytase tailoring to overcome the limitations of marginally stable phytases to be used in animal feeds.
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Teixeira Netto M, Massuquetto A, Krabbe E, Surek D, Oliveira S, Maiorka A. Effect of Conditioning Temperature on Pellet Quality, Diet Digestibility, and Broiler Performance. J APPL POULTRY RES 2019. [DOI: 10.3382/japr/pfz056] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Bioefficacy of a mono-component protease in the diets of pigs and poultry: a meta-analysis of effect on ileal amino acid digestibility. JOURNAL OF APPLIED ANIMAL NUTRITION 2014. [DOI: 10.1017/jan.2014.5] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
SummaryA meta-analysis of the effect of a mono-component bacterial protease (RONOZYME® ProAct) on the apparent ileal digestibility of amino acids in poultry and swine diets was conducted to examine functional patterns, mean effects and variability of response. A total of 25 independently-conducted experiments were included comprising a total of 804 datapoints. The mean response to protease was +3.74% (SE 1.1%, P < 0.001) and this ranged from +5.6% for Thr (SE 1.2%, P < 0.001) to +2.7% for Glu (SE 1.2%, P < 0.05). For the most economically critical amino acids (Lys, Cys, Met and Thr) the mean response was 4.5%. The effect of protease was independent of geography, animal species and diet composition (P > 0.05). However, the inherent digestibility of amino acids in the control diet as a single explanatory term explained around 47% of the variance (P < 0.001) in effect. When the inherent digestibility of amino acids in the control diet was less than 70% protease addition improved amino acid digestibility in 90% of cases with a mean improvement of around 10%. When the inherent digestibility of amino acids in the control diet was more than 90% there was a protease-mediated improvement in digestibility in only 60% of cases with a mean improvement of around 2%. It can be concluded that the inherent digestibility of amino acids in the diet without protease supplementation is the primary explanatory term for the efficacy of this exogenous protease, demonstrating that it is highly effective in improving the digestibility of amino acids across a wide range of feed ingredients. Benchmarking diets or feed ingredients as to their relative nutritional value would enhance the ability of nutritionists to determine the likely return on investment on use of bacterial proteases in their operation.
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Liu SY, Selle PH, Cowieson AJ. Influence of Steam-Pelleting Temperatures and Grain Variety of Finely-Ground,
Sorghum-Based Broiler Diets on Small Intestinal Starch and Nitrogen Digestion Dynamics in Broiler Chickens. ACTA ACUST UNITED AC 2014. [DOI: 10.3923/ijps.2014.308.315] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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