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Effect of different levels of sorghum inclusion and the addition of a serine protease on live performance of broilers from 1 to 35 days of age

Published: June 22, 2018
Summary
Sorghum can be utilized to replace corn in areas where corn is not readily available. Serine protease has been proposed to improve the digestibility of sorghum because it could degrade disulfide bonds of kafirin proteins. One experiment was conducted to evaluate the effects of sorghum inclusion level and the addition of a serine protease on chicken live performance from 1 to 35 d of age. Eight tr...
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Authors:
Albaraa Sarsour
Virginia Tech
Virginia Tech
Edgar O. Oviedo-Rondón
North Carolina State University - NCSU
North Carolina State University - NCSU
Influencers who recommended :
Raquel Araujo, Dr Ajay Bhoyar
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Assistant Professor Dr Nihad Alnidawi
2 de julio de 2018

Great work

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NSEREKO HENRY
16 de julio de 2018
Assistant Professor Dr Nihad Alnidawi good work
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Obong`o Robert Ouko
2 de julio de 2018
Good work
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Dr Ajay Bhoyar
EW Nutrition
2 de julio de 2018

Dr. John Kaijage,
Your point of view on tannins content of sorghum is important to consider. In a study titled 'Cibenza DP 100 improves performance and energy utilization in chickens fed high tannin sorghum', it was concluded that the negative effects of using high tannins sorghum (Tannin value of 1.63%; catechin equivalent and a kafirin index of 5.20) in diets were decreased with the addition of serine protease enzyme.

Reference: Carvajal-Jiménez, J. G., Rincón, K., & Oviedo-Rondon, E. O. (2012). Poster #P340 Protease improves performance and energy utilization in broilers fed diets with high tannin sorghum. Poultry Science Vol. 91 (E-suppl. 1) 2012 Poultry Science Association Annual Meeting Abstracts (Vol. 82).

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Dr. Fiodor S. Marchenkov
Kronos -Agro private company
3 de julio de 2018

Dr. Ajay Bhoyar Yes it is, serine protease helps against tannin. My laboratory (Kronos Agro LLC) always detect tannin level before sorghum will be added to the feed. To minimize risk, we recommend using sorghum with low tannin content. From another side, tannin is helpful for the gut, reducing unpleasant bacteria.

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mst.dilruba begum
3 de julio de 2018

It is a praiseworthy article.

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Hammed Olalekan
3 de julio de 2018
Enter your comment The work is okay
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Mangalmurti Pathak
3 de julio de 2018
When we use Sorghum to replace Corn, normally there is more deposition of fat in broilers .The energy requirement of maintenance increases compared to corn.Need to study energy balance with or without out protease enzyme along with nitrogen balance study.
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mohammad aslam
4 de julio de 2018
Much informative study indeed,
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Fabiola de Belalcazar
Nutrianalisis Ltda.
6 de julio de 2018

Excellent work. In Colombia, during the first semester of the year, the Nutrianalisis laboratory, analyzing the samples of sorghum sent by the clients, found that a high percentage of them (75%) correspond to the category high in tannins, content of condensed tannins of 3% (catechin equivalent). The application of enzymes, a solution to take better advantage of this resource that is often rejected.

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Amin Ghanbari
8 de julio de 2018

it is a good study, but did you compare the cost of sorghum with corn and final price of ratio with content of corn or sorghum?

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NSEREKO HENRY
16 de julio de 2018
Good innovation but hope sorghum has high fibre content which can lead to malabsorption.
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John Kaijage
5 de julio de 2019

It is a good study but anticipated effects and interactions sorghum inclusion and tannin levels in diets were not considered. Serine protease act and improve digestibility of kafirin in sorghum-based diets. However, there is a positive correlation between kafirin and tannin content in grain sorghum. Therefore, it was quite important to consider not only levels of sorghum but also tannin levels. The effect serine protease will depend very much on the level of tannin content in the diet.

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Juarez Donzele
Universidade Federal de Viçosa - UFV
Universidade Federal de Viçosa - UFV
2 de febrero de 2020

Dr Albaraa, with the results presented, some points that I believe are part of the objectives of this study were not properly clarified; - there is no information on the effect of protease on diets containing sorghum. It should be considered that the use of the enzyme was in the sense of enable the inclusion of sorghum in diets to replace corn; - when reporting that up to 50% of sorghum can be included, it does not describe whether it is with the inclusion of the enzyme or not; - how the inclusion of the enzyme had a positive effect on the feed containing 100% maize, it was not specified whether using this treatment as a reference the use of up to 50% sorghum remains viable.; - another detail to be considered is that the conclusions of the study must be consistent with the title and objectives of wo

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