Immunocastration and its effects on carcass and meat traits of male pigs

To compose the experiment, 160 male Topgen pigs - 80 surgically castrated (treatment 1) and 80 immunocastrated (treatment 2) - were randomly selected from a commercial swine farm at the moment of slaughter. Surgical castration was performed when the animals were seven days of age and immunocastratio...
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Autor*in:	Nayara Andreo [verfasserIn] Ana Maria Bridi [verfasserIn] Caio Abércio da Silva [verfasserIn] Louise Manha Peres [verfasserIn] Barbara de Lima Giangareli [verfasserIn] Évelyn Rangel dos Santos [verfasserIn] Camila Piechnicki Rogel [verfasserIn] Jéssica Gonçalves Vero [verfasserIn] Guilherme Agostinis Ferreira [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch ; Portugiesisch

Erschienen:	2018

Schlagwörter:	Backfat thickness Color Gonadotropin-hormone Improvac® Testicle size.

Übergeordnetes Werk:	In: Semina: Ciências Agrárias - Universidade Estadual de Londrina, 2010, 39(2018), 6, Seite 2531-2540
Übergeordnetes Werk:	volume:39 ; year:2018 ; number:6 ; pages:2531-2540

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

DOI / URN:	10.5433/1679-0359.2018v39n6p2531

Katalog-ID:	DOAJ040132641

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allfieldsSound	10.5433/1679-0359.2018v39n6p2531 doi (DE-627)DOAJ040132641 (DE-599)DOAJ5cfadaf3d97245ecb0ab5ba9c1e56e11 DE-627 ger DE-627 rakwb eng por S1-972 Nayara Andreo verfasserin aut Immunocastration and its effects on carcass and meat traits of male pigs 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier To compose the experiment, 160 male Topgen pigs - 80 surgically castrated (treatment 1) and 80 immunocastrated (treatment 2) - were randomly selected from a commercial swine farm at the moment of slaughter. Surgical castration was performed when the animals were seven days of age and immunocastration was performed by administering two doses (2 mL each) of immunocastration vaccine (analogue of GnRF linked to a carrier protein, development of anti-GnRF antibodies, 200 mg of a GnRF-protein conjugate/mL) when they were 104 and 132 days of age. Animals from both treatments were maintained in masonry stalls, where they received water and ad libitum diet (the same feed for both groups). The animals were slaughtered at 160 days of age, and the length and width of the testicles of immunocastrated animals were evaluated, along with the degree and number of carcass lesions, carcass traits and meat quality of both treatments. The means of these measurements were calculated and compared by Student´s t-test. For the immunocastrated treatment, Pearson´s correlation coefficients were also calculated for testicle length and width with backfat thickness. Approximately 80% of the immunocastrated animals had testicle widths of 11 cm or less. Immunocastrated animals showed higher degrees of lesions, pH (initial and 8 hours), hue, muscle depth and loin eye area and lower brightness, redness, chroma and backfat thickness than the surgically castrated animals. The correlation between testicle length and width with backfat thickness was inverse. Immunocastration can be an alternative to improve the proportion of lean meat (longissimus thoracis) instead of fat (backfat thickness) leading to better carcass and meat quality, since fat has become undesirable from a nutritional point of view in swine. Backfat thickness Color Gonadotropin-hormone Improvac® Testicle size. Agriculture (General) Ana Maria Bridi verfasserin aut Caio Abércio da Silva verfasserin aut Louise Manha Peres verfasserin aut Barbara de Lima Giangareli verfasserin aut Évelyn Rangel dos Santos verfasserin aut Camila Piechnicki Rogel verfasserin aut Jéssica Gonçalves Vero verfasserin aut Guilherme Agostinis Ferreira verfasserin aut In Semina: Ciências Agrárias Universidade Estadual de Londrina, 2010 39(2018), 6, Seite 2531-2540 (DE-627)625424700 (DE-600)2551446-5 16790359 nnns volume:39 year:2018 number:6 pages:2531-2540 https://doi.org/10.5433/1679-0359.2018v39n6p2531 kostenfrei https://doaj.org/article/5cfadaf3d97245ecb0ab5ba9c1e56e11 kostenfrei http://www.uel.br/revistas/uel/index.php/semagrarias/article/view/30216 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 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 39 2018 6 2531-2540
language	English Portuguese
source	In Semina: Ciências Agrárias 39(2018), 6, Seite 2531-2540 volume:39 year:2018 number:6 pages:2531-2540
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topic_facet	Backfat thickness Color Gonadotropin-hormone Improvac® Testicle size. Agriculture (General)
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container_title	Semina: Ciências Agrárias
authorswithroles_txt_mv	Nayara Andreo @@aut@@ Ana Maria Bridi @@aut@@ Caio Abércio da Silva @@aut@@ Louise Manha Peres @@aut@@ Barbara de Lima Giangareli @@aut@@ Évelyn Rangel dos Santos @@aut@@ Camila Piechnicki Rogel @@aut@@ Jéssica Gonçalves Vero @@aut@@ Guilherme Agostinis Ferreira @@aut@@
publishDateDaySort_date	2018-01-01T00:00:00Z
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callnumber-first	S - Agriculture
author	Nayara Andreo
spellingShingle	Nayara Andreo misc S1-972 misc Backfat thickness misc Color misc Gonadotropin-hormone misc Improvac® misc Testicle size. misc Agriculture (General) Immunocastration and its effects on carcass and meat traits of male pigs
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topic_title	S1-972 Immunocastration and its effects on carcass and meat traits of male pigs Backfat thickness Color Gonadotropin-hormone Improvac® Testicle size
topic	misc S1-972 misc Backfat thickness misc Color misc Gonadotropin-hormone misc Improvac® misc Testicle size. misc Agriculture (General)
topic_unstemmed	misc S1-972 misc Backfat thickness misc Color misc Gonadotropin-hormone misc Improvac® misc Testicle size. misc Agriculture (General)
topic_browse	misc S1-972 misc Backfat thickness misc Color misc Gonadotropin-hormone misc Improvac® misc Testicle size. misc Agriculture (General)
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title	Immunocastration and its effects on carcass and meat traits of male pigs
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title_full	Immunocastration and its effects on carcass and meat traits of male pigs
author_sort	Nayara Andreo
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author_browse	Nayara Andreo Ana Maria Bridi Caio Abércio da Silva Louise Manha Peres Barbara de Lima Giangareli Évelyn Rangel dos Santos Camila Piechnicki Rogel Jéssica Gonçalves Vero Guilherme Agostinis Ferreira
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doi_str_mv	10.5433/1679-0359.2018v39n6p2531
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title_sort	immunocastration and its effects on carcass and meat traits of male pigs
callnumber	S1-972
title_auth	Immunocastration and its effects on carcass and meat traits of male pigs
abstract	To compose the experiment, 160 male Topgen pigs - 80 surgically castrated (treatment 1) and 80 immunocastrated (treatment 2) - were randomly selected from a commercial swine farm at the moment of slaughter. Surgical castration was performed when the animals were seven days of age and immunocastration was performed by administering two doses (2 mL each) of immunocastration vaccine (analogue of GnRF linked to a carrier protein, development of anti-GnRF antibodies, 200 mg of a GnRF-protein conjugate/mL) when they were 104 and 132 days of age. Animals from both treatments were maintained in masonry stalls, where they received water and ad libitum diet (the same feed for both groups). The animals were slaughtered at 160 days of age, and the length and width of the testicles of immunocastrated animals were evaluated, along with the degree and number of carcass lesions, carcass traits and meat quality of both treatments. The means of these measurements were calculated and compared by Student´s t-test. For the immunocastrated treatment, Pearson´s correlation coefficients were also calculated for testicle length and width with backfat thickness. Approximately 80% of the immunocastrated animals had testicle widths of 11 cm or less. Immunocastrated animals showed higher degrees of lesions, pH (initial and 8 hours), hue, muscle depth and loin eye area and lower brightness, redness, chroma and backfat thickness than the surgically castrated animals. The correlation between testicle length and width with backfat thickness was inverse. Immunocastration can be an alternative to improve the proportion of lean meat (longissimus thoracis) instead of fat (backfat thickness) leading to better carcass and meat quality, since fat has become undesirable from a nutritional point of view in swine.
abstractGer	To compose the experiment, 160 male Topgen pigs - 80 surgically castrated (treatment 1) and 80 immunocastrated (treatment 2) - were randomly selected from a commercial swine farm at the moment of slaughter. Surgical castration was performed when the animals were seven days of age and immunocastration was performed by administering two doses (2 mL each) of immunocastration vaccine (analogue of GnRF linked to a carrier protein, development of anti-GnRF antibodies, 200 mg of a GnRF-protein conjugate/mL) when they were 104 and 132 days of age. Animals from both treatments were maintained in masonry stalls, where they received water and ad libitum diet (the same feed for both groups). The animals were slaughtered at 160 days of age, and the length and width of the testicles of immunocastrated animals were evaluated, along with the degree and number of carcass lesions, carcass traits and meat quality of both treatments. The means of these measurements were calculated and compared by Student´s t-test. For the immunocastrated treatment, Pearson´s correlation coefficients were also calculated for testicle length and width with backfat thickness. Approximately 80% of the immunocastrated animals had testicle widths of 11 cm or less. Immunocastrated animals showed higher degrees of lesions, pH (initial and 8 hours), hue, muscle depth and loin eye area and lower brightness, redness, chroma and backfat thickness than the surgically castrated animals. The correlation between testicle length and width with backfat thickness was inverse. Immunocastration can be an alternative to improve the proportion of lean meat (longissimus thoracis) instead of fat (backfat thickness) leading to better carcass and meat quality, since fat has become undesirable from a nutritional point of view in swine.
abstract_unstemmed	To compose the experiment, 160 male Topgen pigs - 80 surgically castrated (treatment 1) and 80 immunocastrated (treatment 2) - were randomly selected from a commercial swine farm at the moment of slaughter. Surgical castration was performed when the animals were seven days of age and immunocastration was performed by administering two doses (2 mL each) of immunocastration vaccine (analogue of GnRF linked to a carrier protein, development of anti-GnRF antibodies, 200 mg of a GnRF-protein conjugate/mL) when they were 104 and 132 days of age. Animals from both treatments were maintained in masonry stalls, where they received water and ad libitum diet (the same feed for both groups). The animals were slaughtered at 160 days of age, and the length and width of the testicles of immunocastrated animals were evaluated, along with the degree and number of carcass lesions, carcass traits and meat quality of both treatments. The means of these measurements were calculated and compared by Student´s t-test. For the immunocastrated treatment, Pearson´s correlation coefficients were also calculated for testicle length and width with backfat thickness. Approximately 80% of the immunocastrated animals had testicle widths of 11 cm or less. Immunocastrated animals showed higher degrees of lesions, pH (initial and 8 hours), hue, muscle depth and loin eye area and lower brightness, redness, chroma and backfat thickness than the surgically castrated animals. The correlation between testicle length and width with backfat thickness was inverse. Immunocastration can be an alternative to improve the proportion of lean meat (longissimus thoracis) instead of fat (backfat thickness) leading to better carcass and meat quality, since fat has become undesirable from a nutritional point of view in swine.
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title_short	Immunocastration and its effects on carcass and meat traits of male pigs
url	https://doi.org/10.5433/1679-0359.2018v39n6p2531 https://doaj.org/article/5cfadaf3d97245ecb0ab5ba9c1e56e11 http://www.uel.br/revistas/uel/index.php/semagrarias/article/view/30216 https://doaj.org/toc/1676-546X https://doaj.org/toc/1679-0359
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author2	Ana Maria Bridi Caio Abércio da Silva Louise Manha Peres Barbara de Lima Giangareli Évelyn Rangel dos Santos Camila Piechnicki Rogel Jéssica Gonçalves Vero Guilherme Agostinis Ferreira
author2Str	Ana Maria Bridi Caio Abércio da Silva Louise Manha Peres Barbara de Lima Giangareli Évelyn Rangel dos Santos Camila Piechnicki Rogel Jéssica Gonçalves Vero Guilherme Agostinis Ferreira
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up_date	2024-07-04T02:03:20.273Z
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