Prediction of responses of indigenous Boschveld chickens to probiotic-yeast additive levels using a quadratic optimisation model
This experiment was performed to determine the nutrient content of yeast ( Saccharomyces cerevisiae ) and effect on carcass characteristics, relative internal organ weights, digesta pH, and lengths and weights of the different segments of the gastrointestinal tract (GIT) of indigenous Boschveld chic...
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| creator | Maoba, S. Ogbuewu, I. P. Oguttu, J. W. Mbajiorgu, C. A. |
| description | This experiment was performed to determine the nutrient content of yeast (
Saccharomyces cerevisiae
) and effect on carcass characteristics, relative internal organ weights, digesta pH, and lengths and weights of the different segments of the gastrointestinal tract (GIT) of indigenous Boschveld chickens. Six hundred-day-old unsexed Boschveld chicks were divided into six groups of 100 birds with each group replicated five times. Birds were fed broiler starter from 1 to 49 days and grower diet from 50 to 91 days. Each group was allotted to commercial broiler mash diet supplemented with yeast designated 0 g kg
−1
feed (T0), 2.5 g kg
−1
feed (T1), 5.0 g kg
−1
feed (T2), 7.5 g kg
−1
feed (T3), 10.0 g kg
−1
feed (T4) and 12.5 g kg
−1
feed (T5) in a completely randomised design. Proximate composition of yeast was assessed using the standard method. Live weight, carcass characteristics, organ weights, digesta pH and the lengths and weights of the different segments of the digestive tract were measured and analysed statistically. Probiotic-yeast levels for optimal productivity were determined using a quadratic optimisation model. Results revealed that probiotic-yeast is rich in crude protein (496.0 g kg
−1
), ash (61.60 g kg
−1
) and moderate in crude fibre (29.0 g kg
−1
). Birds in groups fed with diets supplemented with yeast at 7.5 and 10.0 g kg
−1
feed gave the best (
p
|
| doi_str_mv | 10.1007/s11250-021-02590-w |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_2540479793</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2483429198</sourcerecordid><originalsourceid>FETCH-LOGICAL-c436t-14aa10e90ed3b77cc3ff7bc7a17aaff19fce348042cacb78666faab6f422ca3f3</originalsourceid><addsrcrecordid>eNqFkU9v1DAQxS0EokvhC3BAlrhwCdixE8dHqPgnVYIDnCPHHm9dsvbWk7TqjY_OtFtA4lAOlmXP772Z0WPsuRSvpRDmDUrZdqIRraTTWdFcPWAb2RnVGK2Gh2wjhLaNNtocsSeI50KQbOgfsyOlOtlRccN-fq0Qkl9SybxEXgH3JSPgzSPlkLaQy4r8XUF_dglz4P4s-R-QkS-F72uZUlmSb67B4cJdCGlJl8BnIBb5iilvueMXqwvVEcfLfkm7hO62364EmJ-yR9HNCM_u7mP2_cP7byefmtMvHz-fvD1tvFb90kjtnBRgBQQ1GeO9itFM3jhpnItR2uhB6UHo1js_maHv--jc1Efd0o-K6pi9OvjS0Bcr4DLSHB7m2WWgDce200Iba6z6P6oHNUhtVEfoy3_Q87LWTIuQYWuFHBRlcR9FXrq10g5EtQfK14JYIY77mnauXo9SjDeBj4fARwp8vA18vCLRizvrddpB-CP5nTAB6gAglfIW6t_e99j-AtNDuM0</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2483429198</pqid></control><display><type>article</type><title>Prediction of responses of indigenous Boschveld chickens to probiotic-yeast additive levels using a quadratic optimisation model</title><source>MEDLINE</source><source>SpringerLink Journals - AutoHoldings</source><creator>Maoba, S. ; Ogbuewu, I. P. ; Oguttu, J. W. ; Mbajiorgu, C. A.</creator><creatorcontrib>Maoba, S. ; Ogbuewu, I. P. ; Oguttu, J. W. ; Mbajiorgu, C. A.</creatorcontrib><description>This experiment was performed to determine the nutrient content of yeast (
Saccharomyces cerevisiae
) and effect on carcass characteristics, relative internal organ weights, digesta pH, and lengths and weights of the different segments of the gastrointestinal tract (GIT) of indigenous Boschveld chickens. Six hundred-day-old unsexed Boschveld chicks were divided into six groups of 100 birds with each group replicated five times. Birds were fed broiler starter from 1 to 49 days and grower diet from 50 to 91 days. Each group was allotted to commercial broiler mash diet supplemented with yeast designated 0 g kg
−1
feed (T0), 2.5 g kg
−1
feed (T1), 5.0 g kg
−1
feed (T2), 7.5 g kg
−1
feed (T3), 10.0 g kg
−1
feed (T4) and 12.5 g kg
−1
feed (T5) in a completely randomised design. Proximate composition of yeast was assessed using the standard method. Live weight, carcass characteristics, organ weights, digesta pH and the lengths and weights of the different segments of the digestive tract were measured and analysed statistically. Probiotic-yeast levels for optimal productivity were determined using a quadratic optimisation model. Results revealed that probiotic-yeast is rich in crude protein (496.0 g kg
−1
), ash (61.60 g kg
−1
) and moderate in crude fibre (29.0 g kg
−1
). Birds in groups fed with diets supplemented with yeast at 7.5 and 10.0 g kg
−1
feed gave the best (
p
< 0.05) carcass characteristics, organ weights, length and weight of the different sections of the digestive system in Boschveld chickens. The optimal inclusion rates of probiotic-yeast that gave the best live weight, carcass characteristics, organ weights and linear measurement of the GIT were found 6.9 and 8.5 g kg
−1
feed, suggesting that no single inclusion level optimised all the parameters measured in Boschveld chickens in the present study. In conclusion, yeast is suitable for use as a feed additive and for optimal productivity; it should be included at the rates of 7.5 and 10.0 g kg
−1
feed in Boschveld chicken diet. It is recommended that yeast supplementation level beyond 10.0 g kg
−1
feed may not be well-tolerated by the Boschveld chickens for best live weight, carcass characteristics, organ weights and linear measurement of the GIT.</description><identifier>ISSN: 0049-4747</identifier><identifier>EISSN: 1573-7438</identifier><identifier>DOI: 10.1007/s11250-021-02590-w</identifier><identifier>PMID: 33515049</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Animal Feed - analysis ; Animal Nutritional Physiological Phenomena ; Animals ; Biomedical and Life Sciences ; Birds ; body weight ; Carcasses ; Chickens ; Chicks ; crude fiber ; crude protein ; Diet ; Diet - veterinary ; Dietary supplements ; digesta ; Digestive system ; digestive tract ; Feed additives ; Gastrointestinal system ; Gastrointestinal tract ; Life Sciences ; mash ; Nutrient content ; Optimization ; pH effects ; Poultry ; prediction ; Probiotics ; Productivity ; proximate composition ; Regular Articles ; Saccharomyces cerevisiae ; Segments ; Veterinary Medicine/Veterinary Science ; Weight ; Yeast ; Yeasts ; Zoology</subject><ispartof>Tropical animal health and production, 2021-03, Vol.53 (1), p.148-148, Article 148</ispartof><rights>The Author(s), under exclusive licence to Springer Nature B.V. part of Springer Nature 2021</rights><rights>The Author(s), under exclusive licence to Springer Nature B.V. part of Springer Nature 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c436t-14aa10e90ed3b77cc3ff7bc7a17aaff19fce348042cacb78666faab6f422ca3f3</citedby><cites>FETCH-LOGICAL-c436t-14aa10e90ed3b77cc3ff7bc7a17aaff19fce348042cacb78666faab6f422ca3f3</cites><orcidid>0000-0003-4895-7867</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11250-021-02590-w$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11250-021-02590-w$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33515049$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Maoba, S.</creatorcontrib><creatorcontrib>Ogbuewu, I. P.</creatorcontrib><creatorcontrib>Oguttu, J. W.</creatorcontrib><creatorcontrib>Mbajiorgu, C. A.</creatorcontrib><title>Prediction of responses of indigenous Boschveld chickens to probiotic-yeast additive levels using a quadratic optimisation model</title><title>Tropical animal health and production</title><addtitle>Trop Anim Health Prod</addtitle><addtitle>Trop Anim Health Prod</addtitle><description>This experiment was performed to determine the nutrient content of yeast (
Saccharomyces cerevisiae
) and effect on carcass characteristics, relative internal organ weights, digesta pH, and lengths and weights of the different segments of the gastrointestinal tract (GIT) of indigenous Boschveld chickens. Six hundred-day-old unsexed Boschveld chicks were divided into six groups of 100 birds with each group replicated five times. Birds were fed broiler starter from 1 to 49 days and grower diet from 50 to 91 days. Each group was allotted to commercial broiler mash diet supplemented with yeast designated 0 g kg
−1
feed (T0), 2.5 g kg
−1
feed (T1), 5.0 g kg
−1
feed (T2), 7.5 g kg
−1
feed (T3), 10.0 g kg
−1
feed (T4) and 12.5 g kg
−1
feed (T5) in a completely randomised design. Proximate composition of yeast was assessed using the standard method. Live weight, carcass characteristics, organ weights, digesta pH and the lengths and weights of the different segments of the digestive tract were measured and analysed statistically. Probiotic-yeast levels for optimal productivity were determined using a quadratic optimisation model. Results revealed that probiotic-yeast is rich in crude protein (496.0 g kg
−1
), ash (61.60 g kg
−1
) and moderate in crude fibre (29.0 g kg
−1
). Birds in groups fed with diets supplemented with yeast at 7.5 and 10.0 g kg
−1
feed gave the best (
p
< 0.05) carcass characteristics, organ weights, length and weight of the different sections of the digestive system in Boschveld chickens. The optimal inclusion rates of probiotic-yeast that gave the best live weight, carcass characteristics, organ weights and linear measurement of the GIT were found 6.9 and 8.5 g kg
−1
feed, suggesting that no single inclusion level optimised all the parameters measured in Boschveld chickens in the present study. In conclusion, yeast is suitable for use as a feed additive and for optimal productivity; it should be included at the rates of 7.5 and 10.0 g kg
−1
feed in Boschveld chicken diet. It is recommended that yeast supplementation level beyond 10.0 g kg
−1
feed may not be well-tolerated by the Boschveld chickens for best live weight, carcass characteristics, organ weights and linear measurement of the GIT.</description><subject>Animal Feed - analysis</subject><subject>Animal Nutritional Physiological Phenomena</subject><subject>Animals</subject><subject>Biomedical and Life Sciences</subject><subject>Birds</subject><subject>body weight</subject><subject>Carcasses</subject><subject>Chickens</subject><subject>Chicks</subject><subject>crude fiber</subject><subject>crude protein</subject><subject>Diet</subject><subject>Diet - veterinary</subject><subject>Dietary supplements</subject><subject>digesta</subject><subject>Digestive system</subject><subject>digestive tract</subject><subject>Feed additives</subject><subject>Gastrointestinal system</subject><subject>Gastrointestinal tract</subject><subject>Life Sciences</subject><subject>mash</subject><subject>Nutrient content</subject><subject>Optimization</subject><subject>pH effects</subject><subject>Poultry</subject><subject>prediction</subject><subject>Probiotics</subject><subject>Productivity</subject><subject>proximate composition</subject><subject>Regular Articles</subject><subject>Saccharomyces cerevisiae</subject><subject>Segments</subject><subject>Veterinary Medicine/Veterinary Science</subject><subject>Weight</subject><subject>Yeast</subject><subject>Yeasts</subject><subject>Zoology</subject><issn>0049-4747</issn><issn>1573-7438</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNqFkU9v1DAQxS0EokvhC3BAlrhwCdixE8dHqPgnVYIDnCPHHm9dsvbWk7TqjY_OtFtA4lAOlmXP772Z0WPsuRSvpRDmDUrZdqIRraTTWdFcPWAb2RnVGK2Gh2wjhLaNNtocsSeI50KQbOgfsyOlOtlRccN-fq0Qkl9SybxEXgH3JSPgzSPlkLaQy4r8XUF_dglz4P4s-R-QkS-F72uZUlmSb67B4cJdCGlJl8BnIBb5iilvueMXqwvVEcfLfkm7hO62364EmJ-yR9HNCM_u7mP2_cP7byefmtMvHz-fvD1tvFb90kjtnBRgBQQ1GeO9itFM3jhpnItR2uhB6UHo1js_maHv--jc1Efd0o-K6pi9OvjS0Bcr4DLSHB7m2WWgDce200Iba6z6P6oHNUhtVEfoy3_Q87LWTIuQYWuFHBRlcR9FXrq10g5EtQfK14JYIY77mnauXo9SjDeBj4fARwp8vA18vCLRizvrddpB-CP5nTAB6gAglfIW6t_e99j-AtNDuM0</recordid><startdate>20210301</startdate><enddate>20210301</enddate><creator>Maoba, S.</creator><creator>Ogbuewu, I. 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P. ; Oguttu, J. W. ; Mbajiorgu, C. A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c436t-14aa10e90ed3b77cc3ff7bc7a17aaff19fce348042cacb78666faab6f422ca3f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Animal Feed - analysis</topic><topic>Animal Nutritional Physiological Phenomena</topic><topic>Animals</topic><topic>Biomedical and Life Sciences</topic><topic>Birds</topic><topic>body weight</topic><topic>Carcasses</topic><topic>Chickens</topic><topic>Chicks</topic><topic>crude fiber</topic><topic>crude protein</topic><topic>Diet</topic><topic>Diet - veterinary</topic><topic>Dietary supplements</topic><topic>digesta</topic><topic>Digestive system</topic><topic>digestive tract</topic><topic>Feed additives</topic><topic>Gastrointestinal system</topic><topic>Gastrointestinal tract</topic><topic>Life Sciences</topic><topic>mash</topic><topic>Nutrient content</topic><topic>Optimization</topic><topic>pH effects</topic><topic>Poultry</topic><topic>prediction</topic><topic>Probiotics</topic><topic>Productivity</topic><topic>proximate composition</topic><topic>Regular Articles</topic><topic>Saccharomyces cerevisiae</topic><topic>Segments</topic><topic>Veterinary Medicine/Veterinary Science</topic><topic>Weight</topic><topic>Yeast</topic><topic>Yeasts</topic><topic>Zoology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Maoba, S.</creatorcontrib><creatorcontrib>Ogbuewu, I. P.</creatorcontrib><creatorcontrib>Oguttu, J. W.</creatorcontrib><creatorcontrib>Mbajiorgu, C. A.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Toxicology Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Agricultural Science Collection</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Public Health Database</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Agricultural Science Database</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Tropical animal health and production</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Maoba, S.</au><au>Ogbuewu, I. P.</au><au>Oguttu, J. W.</au><au>Mbajiorgu, C. A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Prediction of responses of indigenous Boschveld chickens to probiotic-yeast additive levels using a quadratic optimisation model</atitle><jtitle>Tropical animal health and production</jtitle><stitle>Trop Anim Health Prod</stitle><addtitle>Trop Anim Health Prod</addtitle><date>2021-03-01</date><risdate>2021</risdate><volume>53</volume><issue>1</issue><spage>148</spage><epage>148</epage><pages>148-148</pages><artnum>148</artnum><issn>0049-4747</issn><eissn>1573-7438</eissn><abstract>This experiment was performed to determine the nutrient content of yeast (
Saccharomyces cerevisiae
) and effect on carcass characteristics, relative internal organ weights, digesta pH, and lengths and weights of the different segments of the gastrointestinal tract (GIT) of indigenous Boschveld chickens. Six hundred-day-old unsexed Boschveld chicks were divided into six groups of 100 birds with each group replicated five times. Birds were fed broiler starter from 1 to 49 days and grower diet from 50 to 91 days. Each group was allotted to commercial broiler mash diet supplemented with yeast designated 0 g kg
−1
feed (T0), 2.5 g kg
−1
feed (T1), 5.0 g kg
−1
feed (T2), 7.5 g kg
−1
feed (T3), 10.0 g kg
−1
feed (T4) and 12.5 g kg
−1
feed (T5) in a completely randomised design. Proximate composition of yeast was assessed using the standard method. Live weight, carcass characteristics, organ weights, digesta pH and the lengths and weights of the different segments of the digestive tract were measured and analysed statistically. Probiotic-yeast levels for optimal productivity were determined using a quadratic optimisation model. Results revealed that probiotic-yeast is rich in crude protein (496.0 g kg
−1
), ash (61.60 g kg
−1
) and moderate in crude fibre (29.0 g kg
−1
). Birds in groups fed with diets supplemented with yeast at 7.5 and 10.0 g kg
−1
feed gave the best (
p
< 0.05) carcass characteristics, organ weights, length and weight of the different sections of the digestive system in Boschveld chickens. The optimal inclusion rates of probiotic-yeast that gave the best live weight, carcass characteristics, organ weights and linear measurement of the GIT were found 6.9 and 8.5 g kg
−1
feed, suggesting that no single inclusion level optimised all the parameters measured in Boschveld chickens in the present study. In conclusion, yeast is suitable for use as a feed additive and for optimal productivity; it should be included at the rates of 7.5 and 10.0 g kg
−1
feed in Boschveld chicken diet. It is recommended that yeast supplementation level beyond 10.0 g kg
−1
feed may not be well-tolerated by the Boschveld chickens for best live weight, carcass characteristics, organ weights and linear measurement of the GIT.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><pmid>33515049</pmid><doi>10.1007/s11250-021-02590-w</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0003-4895-7867</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0049-4747 |
| ispartof | Tropical animal health and production, 2021-03, Vol.53 (1), p.148-148, Article 148 |
| issn | 0049-4747 1573-7438 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_2540479793 |
| source | MEDLINE; SpringerLink Journals - AutoHoldings |
| subjects | Animal Feed - analysis Animal Nutritional Physiological Phenomena Animals Biomedical and Life Sciences Birds body weight Carcasses Chickens Chicks crude fiber crude protein Diet Diet - veterinary Dietary supplements digesta Digestive system digestive tract Feed additives Gastrointestinal system Gastrointestinal tract Life Sciences mash Nutrient content Optimization pH effects Poultry prediction Probiotics Productivity proximate composition Regular Articles Saccharomyces cerevisiae Segments Veterinary Medicine/Veterinary Science Weight Yeast Yeasts Zoology |
| title | Prediction of responses of indigenous Boschveld chickens to probiotic-yeast additive levels using a quadratic optimisation model |
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