Variation in quality of newly hatched chicks from Japanese breeder quail fed guava extract

Variation in quality of newly hatched chicks from Japanese breeder quail fed guava extract

The aim of this study was to evaluate the effects of guava extract as a dietary supplement for Japanese quail hens on incubation parameters, intestinal development, and the quality of newly hatched chicks. Six hundred and forty-eight eggs were collected from Japanese quail hens fed diets with 0.0, 3.0, 6.0, and 9.0 g/kg-1 of guava extract. The study consisted of four treatments, six replicates, and 27 eggs per replicate. The guava extract contained 2% ellagic acid. The eggs were incubated at 37.5 °C and 65% relative air humidity. The hatch window, hatchability, embryo development in unhatched eggs, quality of newly hatched quails, and intestinal histomorphometry of a duodenum segment were evaluated. Differences among the treatments in hatchability and the hatch window were not significant. The guava extract did not affect mortality rate, live pecking, dead pecking, and contaminated and inverted eggs. The number of infertile eggs was lower in the groups that received 3.0 and 9.0 g/kg of extract in their diets. Use of up to 3.0 g/kg of guava extract in the diet increased the weight of both eggs and newly hatched chicks. The quality score of newly hatched quail was similar across treatments. The inclusion of 3.0 g/kg of guava extract in the diet of Japanese quail breeder hens increased the hatchling weight of the chicks and improved the villus to crypt ratio of their duodenum.

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Main Authors: Xavier,H.P.F., Leandro,N.S.M., Mascarenhas,A.G., de Araújo,I.C.S., de Oliveira,N.F., Pinheiro,A.L., de Oliveira,H.F., Mello,H.H. de C.
Format: Digital revista
Language:English
Published: The South African Society for Animal Science (SASAS) 2020
Online Access:http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S0375-15892020000200001
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spelling oai:scielo:S0375-158920200002000012020-06-03Variation in quality of newly hatched chicks from Japanese breeder quail fed guava extractXavier,H.P.F.Leandro,N.S.M.Mascarenhas,A.G.de Araújo,I.C.S.de Oliveira,N.F.Pinheiro,A.L.de Oliveira,H.F.Mello,H.H. de C. embryology embryo metabolism hatchery incubation breeder nutrition The aim of this study was to evaluate the effects of guava extract as a dietary supplement for Japanese quail hens on incubation parameters, intestinal development, and the quality of newly hatched chicks. Six hundred and forty-eight eggs were collected from Japanese quail hens fed diets with 0.0, 3.0, 6.0, and 9.0 g/kg-1 of guava extract. The study consisted of four treatments, six replicates, and 27 eggs per replicate. The guava extract contained 2% ellagic acid. The eggs were incubated at 37.5 °C and 65% relative air humidity. The hatch window, hatchability, embryo development in unhatched eggs, quality of newly hatched quails, and intestinal histomorphometry of a duodenum segment were evaluated. Differences among the treatments in hatchability and the hatch window were not significant. The guava extract did not affect mortality rate, live pecking, dead pecking, and contaminated and inverted eggs. The number of infertile eggs was lower in the groups that received 3.0 and 9.0 g/kg of extract in their diets. Use of up to 3.0 g/kg of guava extract in the diet increased the weight of both eggs and newly hatched chicks. The quality score of newly hatched quail was similar across treatments. The inclusion of 3.0 g/kg of guava extract in the diet of Japanese quail breeder hens increased the hatchling weight of the chicks and improved the villus to crypt ratio of their duodenum.The South African Society for Animal Science (SASAS)South African Journal of Animal Science v.50 n.2 20202020-01-01journal articletext/htmlhttp://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S0375-15892020000200001en
institution SCIELO
collection OJS
country Sudáfrica
countrycode ZA
component Revista
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databasecode rev-scielo-za
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region África del Sur
libraryname SciELO
language English
format Digital
author Xavier,H.P.F.
Leandro,N.S.M.
Mascarenhas,A.G.
de Araújo,I.C.S.
de Oliveira,N.F.
Pinheiro,A.L.
de Oliveira,H.F.
Mello,H.H. de C.
spellingShingle Xavier,H.P.F.
Leandro,N.S.M.
Mascarenhas,A.G.
de Araújo,I.C.S.
de Oliveira,N.F.
Pinheiro,A.L.
de Oliveira,H.F.
Mello,H.H. de C.
Variation in quality of newly hatched chicks from Japanese breeder quail fed guava extract
author_facet Xavier,H.P.F.
Leandro,N.S.M.
Mascarenhas,A.G.
de Araújo,I.C.S.
de Oliveira,N.F.
Pinheiro,A.L.
de Oliveira,H.F.
Mello,H.H. de C.
author_sort Xavier,H.P.F.
title Variation in quality of newly hatched chicks from Japanese breeder quail fed guava extract
title_short Variation in quality of newly hatched chicks from Japanese breeder quail fed guava extract
title_full Variation in quality of newly hatched chicks from Japanese breeder quail fed guava extract
title_fullStr Variation in quality of newly hatched chicks from Japanese breeder quail fed guava extract
title_full_unstemmed Variation in quality of newly hatched chicks from Japanese breeder quail fed guava extract
title_sort variation in quality of newly hatched chicks from japanese breeder quail fed guava extract
description The aim of this study was to evaluate the effects of guava extract as a dietary supplement for Japanese quail hens on incubation parameters, intestinal development, and the quality of newly hatched chicks. Six hundred and forty-eight eggs were collected from Japanese quail hens fed diets with 0.0, 3.0, 6.0, and 9.0 g/kg-1 of guava extract. The study consisted of four treatments, six replicates, and 27 eggs per replicate. The guava extract contained 2% ellagic acid. The eggs were incubated at 37.5 °C and 65% relative air humidity. The hatch window, hatchability, embryo development in unhatched eggs, quality of newly hatched quails, and intestinal histomorphometry of a duodenum segment were evaluated. Differences among the treatments in hatchability and the hatch window were not significant. The guava extract did not affect mortality rate, live pecking, dead pecking, and contaminated and inverted eggs. The number of infertile eggs was lower in the groups that received 3.0 and 9.0 g/kg of extract in their diets. Use of up to 3.0 g/kg of guava extract in the diet increased the weight of both eggs and newly hatched chicks. The quality score of newly hatched quail was similar across treatments. The inclusion of 3.0 g/kg of guava extract in the diet of Japanese quail breeder hens increased the hatchling weight of the chicks and improved the villus to crypt ratio of their duodenum.
publisher The South African Society for Animal Science (SASAS)
publishDate 2020
url http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S0375-15892020000200001
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