The Impact of <i>Bacillus subtilis</i> PB6 and Chromium Propionate on the Performance, Egg Quality and Nutrient Metabolizability of Layer Breeders

The objective of this study was to evaluate the effects of <i>Bacillus subtillis</i> PB6, chromium propionate or a combination of the two on the performance, egg and eggshell quality, nutrient metabolizability and serum biochemistry of layer breeders. White Plymouth Rock and Red Rhodes I...

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Autores principales:	Otoniel Souza, Carine Adams, Beatriz Rodrigues, Alexandre Krause, Renata Bonamigo, Kelen Zavarize, Catarina Stefanello
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	blood biochemistry breeder hen eggshell quality organic chromium probiotic Veterinary medicine SF600-1100 Zoology QL1-991
Acceso en línea:	https://doaj.org/article/bbb3d105bf4346a4a53bcebe92b4f0c7
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spelling	oai:doaj.org-article:bbb3d105bf4346a4a53bcebe92b4f0c72021-11-25T16:14:48ZThe Impact of <i>Bacillus subtilis</i> PB6 and Chromium Propionate on the Performance, Egg Quality and Nutrient Metabolizability of Layer Breeders10.3390/ani111130842076-2615https://doaj.org/article/bbb3d105bf4346a4a53bcebe92b4f0c72021-10-01T00:00:00Zhttps://www.mdpi.com/2076-2615/11/11/3084https://doaj.org/toc/2076-2615The objective of this study was to evaluate the effects of <i>Bacillus subtillis</i> PB6, chromium propionate or a combination of the two on the performance, egg and eggshell quality, nutrient metabolizability and serum biochemistry of layer breeders. White Plymouth Rock and Red Rhodes Island breeder hens at 55 weeks of age were allocated in individual cages using a completely randomized block design with 16 replicates. Hens were fed control, control + probiotic (500 g/ton of <i>Bacillus subtilis</i> PB6), control + CrProp (50 g/ton of chromium propionate) and control + probiotic + CrProp diets from 55 to 70 weeks of age. Productive parameters and eggshell quality as well as cortisol and blood biochemistry were grouped each 28 d as well as for the overall period. The metabolizability of nutrients and energy was determined at 70 weeks of age. In the overall period, hens fed the control + probiotic or control + probiotic + CrProp diets had significantly higher egg production, egg mass, shell percentage, thickness and shell strength. The metabolizability of dry matter, nitrogen and energy increased in hens that were fed the control + probiotic + CrProp diet. In conclusion, diets supplemented with <i>Bacillus subtillis</i> PB6 and chromium propionate resulted in improved productive performance, eggshell quality and nutrient metabolizability of layer breeders, without modifying serum cortisol, albumin and triglycerides.Otoniel SouzaCarine AdamsBeatriz RodriguesAlexandre KrauseRenata BonamigoKelen ZavarizeCatarina StefanelloMDPI AGarticleblood biochemistrybreeder heneggshell qualityorganic chromiumprobioticVeterinary medicineSF600-1100ZoologyQL1-991ENAnimals, Vol 11, Iss 3084, p 3084 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	blood biochemistry breeder hen eggshell quality organic chromium probiotic Veterinary medicine SF600-1100 Zoology QL1-991
spellingShingle	blood biochemistry breeder hen eggshell quality organic chromium probiotic Veterinary medicine SF600-1100 Zoology QL1-991 Otoniel Souza Carine Adams Beatriz Rodrigues Alexandre Krause Renata Bonamigo Kelen Zavarize Catarina Stefanello The Impact of <i>Bacillus subtilis</i> PB6 and Chromium Propionate on the Performance, Egg Quality and Nutrient Metabolizability of Layer Breeders
description	The objective of this study was to evaluate the effects of <i>Bacillus subtillis</i> PB6, chromium propionate or a combination of the two on the performance, egg and eggshell quality, nutrient metabolizability and serum biochemistry of layer breeders. White Plymouth Rock and Red Rhodes Island breeder hens at 55 weeks of age were allocated in individual cages using a completely randomized block design with 16 replicates. Hens were fed control, control + probiotic (500 g/ton of <i>Bacillus subtilis</i> PB6), control + CrProp (50 g/ton of chromium propionate) and control + probiotic + CrProp diets from 55 to 70 weeks of age. Productive parameters and eggshell quality as well as cortisol and blood biochemistry were grouped each 28 d as well as for the overall period. The metabolizability of nutrients and energy was determined at 70 weeks of age. In the overall period, hens fed the control + probiotic or control + probiotic + CrProp diets had significantly higher egg production, egg mass, shell percentage, thickness and shell strength. The metabolizability of dry matter, nitrogen and energy increased in hens that were fed the control + probiotic + CrProp diet. In conclusion, diets supplemented with <i>Bacillus subtillis</i> PB6 and chromium propionate resulted in improved productive performance, eggshell quality and nutrient metabolizability of layer breeders, without modifying serum cortisol, albumin and triglycerides.
format	article
author	Otoniel Souza Carine Adams Beatriz Rodrigues Alexandre Krause Renata Bonamigo Kelen Zavarize Catarina Stefanello
author_facet	Otoniel Souza Carine Adams Beatriz Rodrigues Alexandre Krause Renata Bonamigo Kelen Zavarize Catarina Stefanello
author_sort	Otoniel Souza
title	The Impact of <i>Bacillus subtilis</i> PB6 and Chromium Propionate on the Performance, Egg Quality and Nutrient Metabolizability of Layer Breeders
title_short	The Impact of <i>Bacillus subtilis</i> PB6 and Chromium Propionate on the Performance, Egg Quality and Nutrient Metabolizability of Layer Breeders
title_full	The Impact of <i>Bacillus subtilis</i> PB6 and Chromium Propionate on the Performance, Egg Quality and Nutrient Metabolizability of Layer Breeders
title_fullStr	The Impact of <i>Bacillus subtilis</i> PB6 and Chromium Propionate on the Performance, Egg Quality and Nutrient Metabolizability of Layer Breeders
title_full_unstemmed	The Impact of <i>Bacillus subtilis</i> PB6 and Chromium Propionate on the Performance, Egg Quality and Nutrient Metabolizability of Layer Breeders
title_sort	impact of <i>bacillus subtilis</i> pb6 and chromium propionate on the performance, egg quality and nutrient metabolizability of layer breeders
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/bbb3d105bf4346a4a53bcebe92b4f0c7
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The Impact of <i>Bacillus subtilis</i> PB6 and Chromium Propionate on the Performance, Egg Quality and Nutrient Metabolizability of Layer Breeders

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