Kaolin in the diet and its effects on performance, litter moisture and intestinal morphology of broiler chickens

The objective of this study was to evaluate the effect of the addition of kaolin in the diet on performance, litter moisture and intestinal morphology of broiler chickens. Four hundred ninety-two broiler chickens distributed in a completely randomized design with three treatments and four replicates...

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Main Authors: Marina Jorge de Lemos, Lígia Fátima Lima Calixto, Osvanira dos Santos Alves, Daniele Santos de Souza, Bárbara Brandt Moura, Túlio Leite Reis
Format: Article
Language:English
Published: Universidade Federal de Santa Maria 2015-10-01
Series:Ciência Rural
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015001001835&lng=en&tlng=en
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author Marina Jorge de Lemos
Lígia Fátima Lima Calixto
Osvanira dos Santos Alves
Daniele Santos de Souza
Bárbara Brandt Moura
Túlio Leite Reis
author_facet Marina Jorge de Lemos
Lígia Fátima Lima Calixto
Osvanira dos Santos Alves
Daniele Santos de Souza
Bárbara Brandt Moura
Túlio Leite Reis
author_sort Marina Jorge de Lemos
collection DOAJ
description The objective of this study was to evaluate the effect of the addition of kaolin in the diet on performance, litter moisture and intestinal morphology of broiler chickens. Four hundred ninety-two broiler chickens distributed in a completely randomized design with three treatments and four replicates of 41 birds each, divided into three periods (15-21; 22-34; 35-52 days) were used. The following treatments were: Control - reference diet without added kaolin; treatment 1 - reference diet + 0.75% kaolin; Treatment 2 - reference diet + 1.5% kaolin. The variables analyzed were: feed intake, average weight, average weight gain, feed conversion, litter moisture, villus height and crypt depth. The inclusion of kaolin in the diet significantly reduced feed intake, increased weight and average weight gain and improved feed conversion of broilers. The litter moisture decreased significantly after the inclusion of kaolin in the diet. The height of the duodenal villi of broilers increased significantly after inclusion of kaolin, while crypt depth was not influenced. The inclusion 0.75% of kaolin in the diet improved the performance, decreased litter moisture and benefited the intestinal integrity of broilers.
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spelling doaj.art-8b9b79204b574222ad92166117d54eb12022-12-22T00:42:23ZengUniversidade Federal de Santa MariaCiência Rural1678-45962015-10-0145101835184010.1590/0103-8478cr20141193S0103-84782015001001835Kaolin in the diet and its effects on performance, litter moisture and intestinal morphology of broiler chickensMarina Jorge de LemosLígia Fátima Lima CalixtoOsvanira dos Santos AlvesDaniele Santos de SouzaBárbara Brandt MouraTúlio Leite ReisThe objective of this study was to evaluate the effect of the addition of kaolin in the diet on performance, litter moisture and intestinal morphology of broiler chickens. Four hundred ninety-two broiler chickens distributed in a completely randomized design with three treatments and four replicates of 41 birds each, divided into three periods (15-21; 22-34; 35-52 days) were used. The following treatments were: Control - reference diet without added kaolin; treatment 1 - reference diet + 0.75% kaolin; Treatment 2 - reference diet + 1.5% kaolin. The variables analyzed were: feed intake, average weight, average weight gain, feed conversion, litter moisture, villus height and crypt depth. The inclusion of kaolin in the diet significantly reduced feed intake, increased weight and average weight gain and improved feed conversion of broilers. The litter moisture decreased significantly after the inclusion of kaolin in the diet. The height of the duodenal villi of broilers increased significantly after inclusion of kaolin, while crypt depth was not influenced. The inclusion 0.75% of kaolin in the diet improved the performance, decreased litter moisture and benefited the intestinal integrity of broilers.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015001001835&lng=en&tlng=enargilaconversão alimentarvilosidades intestinais.
spellingShingle Marina Jorge de Lemos
Lígia Fátima Lima Calixto
Osvanira dos Santos Alves
Daniele Santos de Souza
Bárbara Brandt Moura
Túlio Leite Reis
Kaolin in the diet and its effects on performance, litter moisture and intestinal morphology of broiler chickens
Ciência Rural
argila
conversão alimentar
vilosidades intestinais.
title Kaolin in the diet and its effects on performance, litter moisture and intestinal morphology of broiler chickens
title_full Kaolin in the diet and its effects on performance, litter moisture and intestinal morphology of broiler chickens
title_fullStr Kaolin in the diet and its effects on performance, litter moisture and intestinal morphology of broiler chickens
title_full_unstemmed Kaolin in the diet and its effects on performance, litter moisture and intestinal morphology of broiler chickens
title_short Kaolin in the diet and its effects on performance, litter moisture and intestinal morphology of broiler chickens
title_sort kaolin in the diet and its effects on performance litter moisture and intestinal morphology of broiler chickens
topic argila
conversão alimentar
vilosidades intestinais.
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015001001835&lng=en&tlng=en
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