Effects of supplemental chromium picolinate and chromium nanoparticles on performance and antibody titers of infectious bronchitis and avian influenza of broiler chickens under heat stress condition.
Identifieur interne : 000B02 ( Main/Exploration ); précédent : 000B01; suivant : 000B03Effects of supplemental chromium picolinate and chromium nanoparticles on performance and antibody titers of infectious bronchitis and avian influenza of broiler chickens under heat stress condition.
Auteurs : Farhad Hajializadeh [Iran] ; Hasan Ghahri [Iran] ; Alireza Talebi [Iran]Source :
- Veterinary research forum : an international quarterly journal [ 2008-8140 ] ; 2017.
Abstract
This experiment was carried out to investigate the effects of different levels chromium picolinate (CrPic) and chromium nanoparticles (nano-Cr) on the performance and immune function of broilers under heat stress condition. A total of 320 Ross 308 broiler chicks (from 21 to 42 days) were assigned randomly into eight treatment groups (four replicates per treatment, and 10 chicks per replicate) and be reared at either thermoneutral (21 ˚C) or heat stress (36 ◦C). The treatments were control (T1) group without supplementation and heat stress, T2 as a heat stress group without supplementation, T3, T4 and T5 groups which were supplemented with 500, 1000 and 1500 ppb CrPic in diet with heat stress, respectively and T6, T7 and T8 groups which were supplemented with 500, 1000 and 1500 ppb nano-chromium in diet under heat stress, respectively. Supplementation of chromium and nano-chromium improved performance including weight gain and feed conversion ratio of heat-stressed chickens. Antibody titers against avian influenza (AI) and infectious bronchitis (IB) at 21 to 42 days of age in broilers fed supplemental chromium and nano-chromium were higher than broiler chickens fed control diet (p < 0.05). Nano-chromium supplementation at level of 1000 ppb and CrPic at level of 1500 ppb improved the antibody titers against AI and IB of broilers under heat stress conditions. It can be concluded from these findings that dietary supplementation of CrPic and nano-Cr can improve performance and antibody titers against AI and IB under heat stress conditions in broilers.
PubMed: 29085615
Affiliations:
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Ghahri</name><affiliation wicri:level="1"><nlm:affiliation>Department of Animal Science, College of Veterinary Medicine, Urmia Branch, Islamic Azad University, Urmia, Iran.</nlm:affiliation><country xml:lang="fr">Iran</country><wicri:regionArea>Department of Animal Science, College of Veterinary Medicine, Urmia Branch, Islamic Azad University, Urmia</wicri:regionArea><wicri:noRegion>Urmia</wicri:noRegion></affiliation></author><author><name sortKey="Talebi, Alireza" sort="Talebi, Alireza" uniqKey="Talebi A" first="Alireza" last="Talebi">Alireza Talebi</name><affiliation wicri:level="1"><nlm:affiliation>Department of Poultry Health and Diseases, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.</nlm:affiliation><country xml:lang="fr">Iran</country><wicri:regionArea>Department of Poultry Health and Diseases, Faculty of Veterinary Medicine, Urmia University, Urmia</wicri:regionArea><wicri:noRegion>Urmia</wicri:noRegion></affiliation></author></analytic><series><title level="j">Veterinary research forum : an international quarterly journal</title><idno type="ISSN">2008-8140</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This experiment was carried out to investigate the effects of different levels chromium picolinate (CrPic) and chromium nanoparticles (nano-Cr) on the performance and immune function of broilers under heat stress condition. A total of 320 Ross 308 broiler chicks (from 21 to 42 days) were assigned randomly into eight treatment groups (four replicates per treatment, and 10 chicks per replicate) and be reared at either thermoneutral (21 ˚C) or heat stress (36 <sup>◦</sup>C). The treatments were control (T1) group without supplementation and heat stress, T2 as a heat stress group without supplementation, T3, T4 and T5 groups which were supplemented with 500, 1000 and 1500 ppb CrPic in diet with heat stress, respectively and T6, T7 and T8 groups which were supplemented with 500, 1000 and 1500 ppb nano-chromium in diet under heat stress, respectively. Supplementation of chromium and nano-chromium improved performance including weight gain and feed conversion ratio of heat-stressed chickens. Antibody titers against avian influenza (AI) and infectious bronchitis (IB) at 21 to 42 days of age in broilers fed supplemental chromium and nano-chromium were higher than broiler chickens fed control diet (<i>p</i> < 0.05). Nano-chromium supplementation at level of 1000 ppb and CrPic at level of 1500 ppb improved the antibody titers against AI and IB of broilers under heat stress conditions. It can be concluded from these findings that dietary supplementation of CrPic and nano-Cr can improve performance and antibody titers against AI and IB under heat stress conditions in broilers.</div></front></TEI><affiliations><list><country><li>Iran</li></country></list><tree><country name="Iran"><noRegion><name sortKey="Hajializadeh, Farhad" sort="Hajializadeh, Farhad" uniqKey="Hajializadeh F" first="Farhad" last="Hajializadeh">Farhad Hajializadeh</name></noRegion><name sortKey="Ghahri, Hasan" sort="Ghahri, Hasan" uniqKey="Ghahri H" first="Hasan" last="Ghahri">Hasan Ghahri</name><name sortKey="Talebi, Alireza" sort="Talebi, Alireza" uniqKey="Talebi A" first="Alireza" last="Talebi">Alireza Talebi</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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