Effects of surgical castration, immunocastration and homeopathy on the performance, carcass characteristics and behaviour of feedlot-finished crossbred bulls

The aim of this study was to evaluate total weight gain, carcass yield, rib-eye area, marbling, subcutaneous fat thickness, frequencies of mounting, excitement, dominance behaviour and serum testosterone concentration in feedlot-finished non-castrated bulls, surgically castrated bulls, immunocastrat...
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Autor*in:	Vantuil Moreira de Freitas [verfasserIn] Karen Martins Leão [verfasserIn] Francisco Ribeiro de Araujo Neto [verfasserIn] Thaisa Campos Marques [verfasserIn] Rafael Moraes Ferreira [verfasserIn] Lázaro Leonardo Franco Garcia [verfasserIn] Eunivânio Barbosa de Oliveira [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch ; Portugiesisch

Erschienen:	2015

Schlagwörter:	Immunological castration; Marbling; Sodomy; Testosterone

Übergeordnetes Werk:	In: Semina: Ciências Agrárias - Universidade Estadual de Londrina, 2010, 36(2015), 3, Seite 1725-1734
Übergeordnetes Werk:	volume:36 ; year:2015 ; number:3 ; pages:1725-1734

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.5433/1679-0359.2015v36n3p1725

Katalog-ID:	DOAJ041900693

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spelling	10.5433/1679-0359.2015v36n3p1725 doi (DE-627)DOAJ041900693 (DE-599)DOAJc43bf99c038f4a14951f492f92906a10 DE-627 ger DE-627 rakwb eng por S1-972 Vantuil Moreira de Freitas verfasserin aut Effects of surgical castration, immunocastration and homeopathy on the performance, carcass characteristics and behaviour of feedlot-finished crossbred bulls 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The aim of this study was to evaluate total weight gain, carcass yield, rib-eye area, marbling, subcutaneous fat thickness, frequencies of mounting, excitement, dominance behaviour and serum testosterone concentration in feedlot-finished non-castrated bulls, surgically castrated bulls, immunocastrated bulls and bulls treated with homeopathy. The study involved 52 calves, Holstein-Zebu, 20±3 months old, in a completely randomised design divided into four treatments of 13 animals: non-castrated, surgically castrated, immunocastrated and non-castrated with homeopathy. Analysis of variance was performed, and the Tukey test was applied (P<0.05). The Pearson correlation coefficient was estimated and principal components analysis was performed. The castrated animals had lower total weight gain and carcass yield than the animals in the remaining treatment groups. The immunocastrated bulls had a greater subcutaneous fat thickness than the non-castrated bulls. The castrated bulls exhibited lower frequencies of mounting, excitement and dominance behaviour than the animals in the remaining treatment groups. Testosterone levels were lower in the castrated animals. Principal components analysis revealed a moderate magnitude and sharpness in the differentiation of the castrated animals. It was concluded that the immunocastrated animals were similar in performance to the non-castrated animals, while the carcass finish characteristics of the immunocastrated animals were similar to the castrated animals. The castrated animals had lower productive performance than the animals in the remaining treatment groups. The homeopathy animals had performance and carcass finish characteristics similar to the non-castrated animals. Homeopathy and immunocastration did not reduce sodomy and dominance behaviours. Immunological castration; Marbling; Sodomy; Testosterone Agriculture (General) Karen Martins Leão verfasserin aut Francisco Ribeiro de Araujo Neto verfasserin aut Thaisa Campos Marques verfasserin aut Rafael Moraes Ferreira verfasserin aut Lázaro Leonardo Franco Garcia verfasserin aut Eunivânio Barbosa de Oliveira verfasserin aut In Semina: Ciências Agrárias Universidade Estadual de Londrina, 2010 36(2015), 3, Seite 1725-1734 (DE-627)625424700 (DE-600)2551446-5 16790359 nnns volume:36 year:2015 number:3 pages:1725-1734 https://doi.org/10.5433/1679-0359.2015v36n3p1725 kostenfrei https://doaj.org/article/c43bf99c038f4a14951f492f92906a10 kostenfrei http://www.uel.br/revistas/uel/index.php/semagrarias/editor/submission/18024 kostenfrei https://doaj.org/toc/1676-546X Journal toc kostenfrei https://doaj.org/toc/1679-0359 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 36 2015 3 1725-1734
allfields_unstemmed	10.5433/1679-0359.2015v36n3p1725 doi (DE-627)DOAJ041900693 (DE-599)DOAJc43bf99c038f4a14951f492f92906a10 DE-627 ger DE-627 rakwb eng por S1-972 Vantuil Moreira de Freitas verfasserin aut Effects of surgical castration, immunocastration and homeopathy on the performance, carcass characteristics and behaviour of feedlot-finished crossbred bulls 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The aim of this study was to evaluate total weight gain, carcass yield, rib-eye area, marbling, subcutaneous fat thickness, frequencies of mounting, excitement, dominance behaviour and serum testosterone concentration in feedlot-finished non-castrated bulls, surgically castrated bulls, immunocastrated bulls and bulls treated with homeopathy. The study involved 52 calves, Holstein-Zebu, 20±3 months old, in a completely randomised design divided into four treatments of 13 animals: non-castrated, surgically castrated, immunocastrated and non-castrated with homeopathy. Analysis of variance was performed, and the Tukey test was applied (P<0.05). The Pearson correlation coefficient was estimated and principal components analysis was performed. The castrated animals had lower total weight gain and carcass yield than the animals in the remaining treatment groups. The immunocastrated bulls had a greater subcutaneous fat thickness than the non-castrated bulls. The castrated bulls exhibited lower frequencies of mounting, excitement and dominance behaviour than the animals in the remaining treatment groups. Testosterone levels were lower in the castrated animals. Principal components analysis revealed a moderate magnitude and sharpness in the differentiation of the castrated animals. It was concluded that the immunocastrated animals were similar in performance to the non-castrated animals, while the carcass finish characteristics of the immunocastrated animals were similar to the castrated animals. The castrated animals had lower productive performance than the animals in the remaining treatment groups. The homeopathy animals had performance and carcass finish characteristics similar to the non-castrated animals. Homeopathy and immunocastration did not reduce sodomy and dominance behaviours. Immunological castration; Marbling; Sodomy; Testosterone Agriculture (General) Karen Martins Leão verfasserin aut Francisco Ribeiro de Araujo Neto verfasserin aut Thaisa Campos Marques verfasserin aut Rafael Moraes Ferreira verfasserin aut Lázaro Leonardo Franco Garcia verfasserin aut Eunivânio Barbosa de Oliveira verfasserin aut In Semina: Ciências Agrárias Universidade Estadual de Londrina, 2010 36(2015), 3, Seite 1725-1734 (DE-627)625424700 (DE-600)2551446-5 16790359 nnns volume:36 year:2015 number:3 pages:1725-1734 https://doi.org/10.5433/1679-0359.2015v36n3p1725 kostenfrei https://doaj.org/article/c43bf99c038f4a14951f492f92906a10 kostenfrei http://www.uel.br/revistas/uel/index.php/semagrarias/editor/submission/18024 kostenfrei https://doaj.org/toc/1676-546X Journal toc kostenfrei https://doaj.org/toc/1679-0359 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 36 2015 3 1725-1734
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allfieldsSound	10.5433/1679-0359.2015v36n3p1725 doi (DE-627)DOAJ041900693 (DE-599)DOAJc43bf99c038f4a14951f492f92906a10 DE-627 ger DE-627 rakwb eng por S1-972 Vantuil Moreira de Freitas verfasserin aut Effects of surgical castration, immunocastration and homeopathy on the performance, carcass characteristics and behaviour of feedlot-finished crossbred bulls 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The aim of this study was to evaluate total weight gain, carcass yield, rib-eye area, marbling, subcutaneous fat thickness, frequencies of mounting, excitement, dominance behaviour and serum testosterone concentration in feedlot-finished non-castrated bulls, surgically castrated bulls, immunocastrated bulls and bulls treated with homeopathy. The study involved 52 calves, Holstein-Zebu, 20±3 months old, in a completely randomised design divided into four treatments of 13 animals: non-castrated, surgically castrated, immunocastrated and non-castrated with homeopathy. Analysis of variance was performed, and the Tukey test was applied (P<0.05). The Pearson correlation coefficient was estimated and principal components analysis was performed. The castrated animals had lower total weight gain and carcass yield than the animals in the remaining treatment groups. The immunocastrated bulls had a greater subcutaneous fat thickness than the non-castrated bulls. The castrated bulls exhibited lower frequencies of mounting, excitement and dominance behaviour than the animals in the remaining treatment groups. Testosterone levels were lower in the castrated animals. Principal components analysis revealed a moderate magnitude and sharpness in the differentiation of the castrated animals. It was concluded that the immunocastrated animals were similar in performance to the non-castrated animals, while the carcass finish characteristics of the immunocastrated animals were similar to the castrated animals. The castrated animals had lower productive performance than the animals in the remaining treatment groups. The homeopathy animals had performance and carcass finish characteristics similar to the non-castrated animals. Homeopathy and immunocastration did not reduce sodomy and dominance behaviours. Immunological castration; Marbling; Sodomy; Testosterone Agriculture (General) Karen Martins Leão verfasserin aut Francisco Ribeiro de Araujo Neto verfasserin aut Thaisa Campos Marques verfasserin aut Rafael Moraes Ferreira verfasserin aut Lázaro Leonardo Franco Garcia verfasserin aut Eunivânio Barbosa de Oliveira verfasserin aut In Semina: Ciências Agrárias Universidade Estadual de Londrina, 2010 36(2015), 3, Seite 1725-1734 (DE-627)625424700 (DE-600)2551446-5 16790359 nnns volume:36 year:2015 number:3 pages:1725-1734 https://doi.org/10.5433/1679-0359.2015v36n3p1725 kostenfrei https://doaj.org/article/c43bf99c038f4a14951f492f92906a10 kostenfrei http://www.uel.br/revistas/uel/index.php/semagrarias/editor/submission/18024 kostenfrei https://doaj.org/toc/1676-546X Journal toc kostenfrei https://doaj.org/toc/1679-0359 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 36 2015 3 1725-1734
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spellingShingle	Vantuil Moreira de Freitas misc S1-972 misc Immunological castration; Marbling; Sodomy; Testosterone misc Agriculture (General) Effects of surgical castration, immunocastration and homeopathy on the performance, carcass characteristics and behaviour of feedlot-finished crossbred bulls
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topic_title	S1-972 Effects of surgical castration, immunocastration and homeopathy on the performance, carcass characteristics and behaviour of feedlot-finished crossbred bulls Immunological castration; Marbling; Sodomy; Testosterone
topic	misc S1-972 misc Immunological castration; Marbling; Sodomy; Testosterone misc Agriculture (General)
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title	Effects of surgical castration, immunocastration and homeopathy on the performance, carcass characteristics and behaviour of feedlot-finished crossbred bulls
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title_full	Effects of surgical castration, immunocastration and homeopathy on the performance, carcass characteristics and behaviour of feedlot-finished crossbred bulls
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title_sort	effects of surgical castration, immunocastration and homeopathy on the performance, carcass characteristics and behaviour of feedlot-finished crossbred bulls
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title_auth	Effects of surgical castration, immunocastration and homeopathy on the performance, carcass characteristics and behaviour of feedlot-finished crossbred bulls
abstract	The aim of this study was to evaluate total weight gain, carcass yield, rib-eye area, marbling, subcutaneous fat thickness, frequencies of mounting, excitement, dominance behaviour and serum testosterone concentration in feedlot-finished non-castrated bulls, surgically castrated bulls, immunocastrated bulls and bulls treated with homeopathy. The study involved 52 calves, Holstein-Zebu, 20±3 months old, in a completely randomised design divided into four treatments of 13 animals: non-castrated, surgically castrated, immunocastrated and non-castrated with homeopathy. Analysis of variance was performed, and the Tukey test was applied (P<0.05). The Pearson correlation coefficient was estimated and principal components analysis was performed. The castrated animals had lower total weight gain and carcass yield than the animals in the remaining treatment groups. The immunocastrated bulls had a greater subcutaneous fat thickness than the non-castrated bulls. The castrated bulls exhibited lower frequencies of mounting, excitement and dominance behaviour than the animals in the remaining treatment groups. Testosterone levels were lower in the castrated animals. Principal components analysis revealed a moderate magnitude and sharpness in the differentiation of the castrated animals. It was concluded that the immunocastrated animals were similar in performance to the non-castrated animals, while the carcass finish characteristics of the immunocastrated animals were similar to the castrated animals. The castrated animals had lower productive performance than the animals in the remaining treatment groups. The homeopathy animals had performance and carcass finish characteristics similar to the non-castrated animals. Homeopathy and immunocastration did not reduce sodomy and dominance behaviours.
abstractGer	The aim of this study was to evaluate total weight gain, carcass yield, rib-eye area, marbling, subcutaneous fat thickness, frequencies of mounting, excitement, dominance behaviour and serum testosterone concentration in feedlot-finished non-castrated bulls, surgically castrated bulls, immunocastrated bulls and bulls treated with homeopathy. The study involved 52 calves, Holstein-Zebu, 20±3 months old, in a completely randomised design divided into four treatments of 13 animals: non-castrated, surgically castrated, immunocastrated and non-castrated with homeopathy. Analysis of variance was performed, and the Tukey test was applied (P<0.05). The Pearson correlation coefficient was estimated and principal components analysis was performed. The castrated animals had lower total weight gain and carcass yield than the animals in the remaining treatment groups. The immunocastrated bulls had a greater subcutaneous fat thickness than the non-castrated bulls. The castrated bulls exhibited lower frequencies of mounting, excitement and dominance behaviour than the animals in the remaining treatment groups. Testosterone levels were lower in the castrated animals. Principal components analysis revealed a moderate magnitude and sharpness in the differentiation of the castrated animals. It was concluded that the immunocastrated animals were similar in performance to the non-castrated animals, while the carcass finish characteristics of the immunocastrated animals were similar to the castrated animals. The castrated animals had lower productive performance than the animals in the remaining treatment groups. The homeopathy animals had performance and carcass finish characteristics similar to the non-castrated animals. Homeopathy and immunocastration did not reduce sodomy and dominance behaviours.
abstract_unstemmed	The aim of this study was to evaluate total weight gain, carcass yield, rib-eye area, marbling, subcutaneous fat thickness, frequencies of mounting, excitement, dominance behaviour and serum testosterone concentration in feedlot-finished non-castrated bulls, surgically castrated bulls, immunocastrated bulls and bulls treated with homeopathy. The study involved 52 calves, Holstein-Zebu, 20±3 months old, in a completely randomised design divided into four treatments of 13 animals: non-castrated, surgically castrated, immunocastrated and non-castrated with homeopathy. Analysis of variance was performed, and the Tukey test was applied (P<0.05). The Pearson correlation coefficient was estimated and principal components analysis was performed. The castrated animals had lower total weight gain and carcass yield than the animals in the remaining treatment groups. The immunocastrated bulls had a greater subcutaneous fat thickness than the non-castrated bulls. The castrated bulls exhibited lower frequencies of mounting, excitement and dominance behaviour than the animals in the remaining treatment groups. Testosterone levels were lower in the castrated animals. Principal components analysis revealed a moderate magnitude and sharpness in the differentiation of the castrated animals. It was concluded that the immunocastrated animals were similar in performance to the non-castrated animals, while the carcass finish characteristics of the immunocastrated animals were similar to the castrated animals. The castrated animals had lower productive performance than the animals in the remaining treatment groups. The homeopathy animals had performance and carcass finish characteristics similar to the non-castrated animals. Homeopathy and immunocastration did not reduce sodomy and dominance behaviours.
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title_short	Effects of surgical castration, immunocastration and homeopathy on the performance, carcass characteristics and behaviour of feedlot-finished crossbred bulls
url	https://doi.org/10.5433/1679-0359.2015v36n3p1725 https://doaj.org/article/c43bf99c038f4a14951f492f92906a10 http://www.uel.br/revistas/uel/index.php/semagrarias/editor/submission/18024 https://doaj.org/toc/1676-546X https://doaj.org/toc/1679-0359
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author2	Karen Martins Leão Francisco Ribeiro de Araujo Neto Thaisa Campos Marques Rafael Moraes Ferreira Lázaro Leonardo Franco Garcia Eunivânio Barbosa de Oliveira
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It was concluded that the immunocastrated animals were similar in performance to the non-castrated animals, while the carcass finish characteristics of the immunocastrated animals were similar to the castrated animals. The castrated animals had lower productive performance than the animals in the remaining treatment groups. The homeopathy animals had performance and carcass finish characteristics similar to the non-castrated animals. 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Effects of surgical castration, immunocastration and homeopathy on the performance, carcass characteristics and behaviour of feedlot-finished crossbred bulls

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