Does dietary supplementation with phytases affect the thermoregulatory and behavioral responses of pullets in a tropical environment?
Dietary supplementation of two types of phytases (fungal and bacterial) with different dosages (300 and 900 FTUs) was evaluated in the thermoregulatory and behavioral responses of replacement pullets in a tropical environment. 288 Hy-Line White laying birds with a mean weight of 639.60 ± 6.05 g, cli...
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| Veröffentlicht in: | Journal of thermal biology 2020-02, Vol.88, p.102499-9, Article 102499 |
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| creator | Lucas de Sena, Thais Bastos Leite, Silvana Cavalcante Maria de Vasconcelos, Angela Rodrigues Bezerra, Maria Mislane Goulart de Abreu, Cláudia Silva de Farias, Maria Rogervânia Freitas Silveira, Robson Mateus |
| description | Dietary supplementation of two types of phytases (fungal and bacterial) with different dosages (300 and 900 FTUs) was evaluated in the thermoregulatory and behavioral responses of replacement pullets in a tropical environment. 288 Hy-Line White laying birds with a mean weight of 639.60 ± 6.05 g, clinically healthy, and eight weeks old were used in the study. Respiratory rate (RR, breaths. min−1), Cloacal temperature (CT, °C), Surface temperature with feathers (STWF, °C), and Surface temperature featherless (STF, °C) were measured in the morning and afternoon. Behavioral data were observed through the following activities: sitting, eating, drinking, exploring feathers (EF), non-aggressive pecking (NAP), and object pecking (OP) recorded every 10 min from 6 a.m. to 5 p.m. Environmental variables were measured along with thermoregulatory and behavioral responses. There was an interaction for RR between phytase and period of the day (P |
| doi_str_mv | 10.1016/j.jtherbio.2019.102499 |
| format | Article |
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[Display omitted]
•Behavioral and thermoregulatory responses of pullets receiving dietary supplementation of fungal and bacterial phytases at dosages of 300 and 900 FTUs evaluated under tropical conditions.•Birds supplemented with the fungal phytase showed lower respiratory rate, ate more, and displayed thermal comfort behaviors.•Characteristic behaviors of heat dissipation and thermal stress were evidenced in the afternoon period.•Thermoregulatory and behavioral responses of birds were similar between the 300 and 900 FTUs dosages.•We recommend dietary supplementation of fungal phytase at a dosage of 300 FTUs.</description><identifier>ISSN: 0306-4565</identifier><identifier>EISSN: 1879-0992</identifier><identifier>DOI: 10.1016/j.jtherbio.2019.102499</identifier><identifier>PMID: 32125986</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Animal behavior ; Dietary supplements ; Dosage ; Enzymes ; Feathers ; Heat ; Homeothermia ; Laying birds ; Respiration ; Thermal environment ; Tropical environment</subject><ispartof>Journal of thermal biology, 2020-02, Vol.88, p.102499-9, Article 102499</ispartof><rights>2019 Elsevier Ltd</rights><rights>Copyright © 2019 Elsevier Ltd. All rights reserved.</rights><rights>Copyright Elsevier BV Feb 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c343t-4e1785acf5d49de02ae50636a65b63a69a9f39cd35779d26d9b3320c6bd393013</cites><orcidid>0000-0001-6319-0970 ; 0000-0002-2447-4003 ; 0000-0002-5130-2303 ; 0000-0003-0495-4269 ; 0000-0002-9690-974X ; 0000-0001-6195-8173 ; 0000-0003-2285-9695</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0306456519305091$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32125986$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lucas de Sena, Thais</creatorcontrib><creatorcontrib>Bastos Leite, Silvana Cavalcante</creatorcontrib><creatorcontrib>Maria de Vasconcelos, Angela</creatorcontrib><creatorcontrib>Rodrigues Bezerra, Maria Mislane</creatorcontrib><creatorcontrib>Goulart de Abreu, Cláudia</creatorcontrib><creatorcontrib>Silva de Farias, Maria Rogervânia</creatorcontrib><creatorcontrib>Freitas Silveira, Robson Mateus</creatorcontrib><title>Does dietary supplementation with phytases affect the thermoregulatory and behavioral responses of pullets in a tropical environment?</title><title>Journal of thermal biology</title><addtitle>J Therm Biol</addtitle><description>Dietary supplementation of two types of phytases (fungal and bacterial) with different dosages (300 and 900 FTUs) was evaluated in the thermoregulatory and behavioral responses of replacement pullets in a tropical environment. 288 Hy-Line White laying birds with a mean weight of 639.60 ± 6.05 g, clinically healthy, and eight weeks old were used in the study. Respiratory rate (RR, breaths. min−1), Cloacal temperature (CT, °C), Surface temperature with feathers (STWF, °C), and Surface temperature featherless (STF, °C) were measured in the morning and afternoon. Behavioral data were observed through the following activities: sitting, eating, drinking, exploring feathers (EF), non-aggressive pecking (NAP), and object pecking (OP) recorded every 10 min from 6 a.m. to 5 p.m. Environmental variables were measured along with thermoregulatory and behavioral responses. There was an interaction for RR between phytase and period of the day (P < 0.05). The lowest RR (morning) was observed in fungal phytase. STF and STWF were higher (P < 0.05) in the afternoon. Birds supplemented with fungal phytase showed lower STWF (P < 0.05). The variables that contributed to explain physiological and behavioral responses are shown in order of importance for (i) periods of day: morning (sitting, STWF, drinking, eating, and CT) and afternoon (STF, STWF, OP, drinking, eating, RR and sitting); (ii) phytases: fungal (STF, STWF, RR, sitting, eating and drinking); and bacterial (RR, STF, STWF, CT and sitting). Thermoregulatory and behavioral responses were similar between dosages, but different between types of phytases. Birds supplemented with fungal phytase used sensible heat dissipation mechanisms and exhibited thermal comfort behaviors. The 300 and 900 FTUs phytase doses did not influence the thermoregulatory and behavioral responses of birds, while they showed natural heat dissipation and heat stress behaviors in the afternoon. We recommend a dietary supplementation of 300 FTUs fungal phytases.
[Display omitted]
•Behavioral and thermoregulatory responses of pullets receiving dietary supplementation of fungal and bacterial phytases at dosages of 300 and 900 FTUs evaluated under tropical conditions.•Birds supplemented with the fungal phytase showed lower respiratory rate, ate more, and displayed thermal comfort behaviors.•Characteristic behaviors of heat dissipation and thermal stress were evidenced in the afternoon period.•Thermoregulatory and behavioral responses of birds were similar between the 300 and 900 FTUs dosages.•We recommend dietary supplementation of fungal phytase at a dosage of 300 FTUs.</description><subject>Animal behavior</subject><subject>Dietary supplements</subject><subject>Dosage</subject><subject>Enzymes</subject><subject>Feathers</subject><subject>Heat</subject><subject>Homeothermia</subject><subject>Laying birds</subject><subject>Respiration</subject><subject>Thermal environment</subject><subject>Tropical environment</subject><issn>0306-4565</issn><issn>1879-0992</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqFkc1u1DAURiMEokPhFSpLbNhk8H_GK0AFWqRKbGBtOfYN4yixg-0M6gPw3jialgUbFpYl63z3s-5pmiuC9wQT-Xbcj-UIqfdxTzFR9ZFypZ40O3LoVIuVok-bHWZYtlxIcdG8yHnEmAgm8PPmglFChTrIXfP7Y4SMnIdi0j3K67JMMEMopvgY0C9fjmg53heTK2WGAWxBtXc7aY4JfqyTKbEmTXCoh6M5-ZjMhBLkJYYtFAe0rNMEJSMfkEElxcXbikA4-RTDVvbuZfNsMFOGVw_3ZfP986dv17ft3debL9cf7lrLOCstB9IdhLGDcFw5wNSAwJJJI0UvmZHKqIEp65joOuWodKpnjGIre8cUw4RdNm_Oc5cUf66Qi559tjBNJkBcs6asI4QzjFVFX_-DjnFNof5OU8754SAop5WSZ8qmmHOCQS_Jz3WVmmC9idKjfhSlN1H6LKoGrx7Gr_0M7m_s0UwF3p8BqPs4eUg6Ww_BgvOpWtAu-v91_AHG9Kpe</recordid><startdate>202002</startdate><enddate>202002</enddate><creator>Lucas de Sena, Thais</creator><creator>Bastos Leite, Silvana Cavalcante</creator><creator>Maria de Vasconcelos, Angela</creator><creator>Rodrigues Bezerra, Maria Mislane</creator><creator>Goulart de Abreu, Cláudia</creator><creator>Silva de Farias, Maria Rogervânia</creator><creator>Freitas Silveira, Robson Mateus</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7QP</scope><scope>7SS</scope><scope>7TK</scope><scope>7TS</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-6319-0970</orcidid><orcidid>https://orcid.org/0000-0002-2447-4003</orcidid><orcidid>https://orcid.org/0000-0002-5130-2303</orcidid><orcidid>https://orcid.org/0000-0003-0495-4269</orcidid><orcidid>https://orcid.org/0000-0002-9690-974X</orcidid><orcidid>https://orcid.org/0000-0001-6195-8173</orcidid><orcidid>https://orcid.org/0000-0003-2285-9695</orcidid></search><sort><creationdate>202002</creationdate><title>Does dietary supplementation with phytases affect the thermoregulatory and behavioral responses of pullets in a tropical environment?</title><author>Lucas de Sena, Thais ; Bastos Leite, Silvana Cavalcante ; Maria de Vasconcelos, Angela ; Rodrigues Bezerra, Maria Mislane ; Goulart de Abreu, Cláudia ; Silva de Farias, Maria Rogervânia ; Freitas Silveira, Robson Mateus</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c343t-4e1785acf5d49de02ae50636a65b63a69a9f39cd35779d26d9b3320c6bd393013</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Animal behavior</topic><topic>Dietary supplements</topic><topic>Dosage</topic><topic>Enzymes</topic><topic>Feathers</topic><topic>Heat</topic><topic>Homeothermia</topic><topic>Laying birds</topic><topic>Respiration</topic><topic>Thermal environment</topic><topic>Tropical environment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lucas de Sena, Thais</creatorcontrib><creatorcontrib>Bastos Leite, Silvana Cavalcante</creatorcontrib><creatorcontrib>Maria de Vasconcelos, Angela</creatorcontrib><creatorcontrib>Rodrigues Bezerra, Maria Mislane</creatorcontrib><creatorcontrib>Goulart de Abreu, Cláudia</creatorcontrib><creatorcontrib>Silva de Farias, Maria Rogervânia</creatorcontrib><creatorcontrib>Freitas Silveira, Robson Mateus</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Neurosciences Abstracts</collection><collection>Physical Education Index</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of thermal biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lucas de Sena, Thais</au><au>Bastos Leite, Silvana Cavalcante</au><au>Maria de Vasconcelos, Angela</au><au>Rodrigues Bezerra, Maria Mislane</au><au>Goulart de Abreu, Cláudia</au><au>Silva de Farias, Maria Rogervânia</au><au>Freitas Silveira, Robson Mateus</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Does dietary supplementation with phytases affect the thermoregulatory and behavioral responses of pullets in a tropical environment?</atitle><jtitle>Journal of thermal biology</jtitle><addtitle>J Therm Biol</addtitle><date>2020-02</date><risdate>2020</risdate><volume>88</volume><spage>102499</spage><epage>9</epage><pages>102499-9</pages><artnum>102499</artnum><issn>0306-4565</issn><eissn>1879-0992</eissn><abstract>Dietary supplementation of two types of phytases (fungal and bacterial) with different dosages (300 and 900 FTUs) was evaluated in the thermoregulatory and behavioral responses of replacement pullets in a tropical environment. 288 Hy-Line White laying birds with a mean weight of 639.60 ± 6.05 g, clinically healthy, and eight weeks old were used in the study. Respiratory rate (RR, breaths. min−1), Cloacal temperature (CT, °C), Surface temperature with feathers (STWF, °C), and Surface temperature featherless (STF, °C) were measured in the morning and afternoon. Behavioral data were observed through the following activities: sitting, eating, drinking, exploring feathers (EF), non-aggressive pecking (NAP), and object pecking (OP) recorded every 10 min from 6 a.m. to 5 p.m. Environmental variables were measured along with thermoregulatory and behavioral responses. There was an interaction for RR between phytase and period of the day (P < 0.05). The lowest RR (morning) was observed in fungal phytase. STF and STWF were higher (P < 0.05) in the afternoon. Birds supplemented with fungal phytase showed lower STWF (P < 0.05). The variables that contributed to explain physiological and behavioral responses are shown in order of importance for (i) periods of day: morning (sitting, STWF, drinking, eating, and CT) and afternoon (STF, STWF, OP, drinking, eating, RR and sitting); (ii) phytases: fungal (STF, STWF, RR, sitting, eating and drinking); and bacterial (RR, STF, STWF, CT and sitting). Thermoregulatory and behavioral responses were similar between dosages, but different between types of phytases. Birds supplemented with fungal phytase used sensible heat dissipation mechanisms and exhibited thermal comfort behaviors. The 300 and 900 FTUs phytase doses did not influence the thermoregulatory and behavioral responses of birds, while they showed natural heat dissipation and heat stress behaviors in the afternoon. We recommend a dietary supplementation of 300 FTUs fungal phytases.
[Display omitted]
•Behavioral and thermoregulatory responses of pullets receiving dietary supplementation of fungal and bacterial phytases at dosages of 300 and 900 FTUs evaluated under tropical conditions.•Birds supplemented with the fungal phytase showed lower respiratory rate, ate more, and displayed thermal comfort behaviors.•Characteristic behaviors of heat dissipation and thermal stress were evidenced in the afternoon period.•Thermoregulatory and behavioral responses of birds were similar between the 300 and 900 FTUs dosages.•We recommend dietary supplementation of fungal phytase at a dosage of 300 FTUs.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>32125986</pmid><doi>10.1016/j.jtherbio.2019.102499</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0001-6319-0970</orcidid><orcidid>https://orcid.org/0000-0002-2447-4003</orcidid><orcidid>https://orcid.org/0000-0002-5130-2303</orcidid><orcidid>https://orcid.org/0000-0003-0495-4269</orcidid><orcidid>https://orcid.org/0000-0002-9690-974X</orcidid><orcidid>https://orcid.org/0000-0001-6195-8173</orcidid><orcidid>https://orcid.org/0000-0003-2285-9695</orcidid></addata></record> |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Animal behavior Dietary supplements Dosage Enzymes Feathers Heat Homeothermia Laying birds Respiration Thermal environment Tropical environment |
| title | Does dietary supplementation with phytases affect the thermoregulatory and behavioral responses of pullets in a tropical environment? |
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