IMMUNOCASTRATION WITH VACCINATION AGAINST GONADOTROPIN-RELEASING FACTOR (GnRF) ON THE PRODUCTION PERFORMANCE OF RAMS

The objective of this study was to investigate the immunocastration using against gonadotropin-releasing factor (GnRF) with Bopriva® (Zoetis) on the performance of production variables, meat quality, docility, and scrotal circumference in young rams, from Sheep production center “Tupac Amaru”, Junin...

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Main Authors: Ide Unchupaico Payano, Fernando Arauco Villar, Fernan Chanamé Zapata, Edith Ancco Gomez, Jordan Ninahuanca Carhuas, Carlos Quispe Eulogio, Alex Huamán De La Cruz
Format: Article
Language:Spanish
Published: Asociación Peruana de Reproducción Animal 2020-12-01
Series:SPERMOVA
Subjects:
Online Access:http://spermova.pe/site2/files/Revistas/Revista%20Nro.%2010%20Vol.%202/13_Unchupaico_2020.pdf
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author Ide Unchupaico Payano
Fernando Arauco Villar
Fernan Chanamé Zapata
Edith Ancco Gomez
Jordan Ninahuanca Carhuas
Carlos Quispe Eulogio
Alex Huamán De La Cruz
author_facet Ide Unchupaico Payano
Fernando Arauco Villar
Fernan Chanamé Zapata
Edith Ancco Gomez
Jordan Ninahuanca Carhuas
Carlos Quispe Eulogio
Alex Huamán De La Cruz
author_sort Ide Unchupaico Payano
collection DOAJ
description The objective of this study was to investigate the immunocastration using against gonadotropin-releasing factor (GnRF) with Bopriva® (Zoetis) on the performance of production variables, meat quality, docility, and scrotal circumference in young rams, from Sheep production center “Tupac Amaru”, Junin region, Perú. A total of 60 animals were divided into four treatments: T1, T2, and T3 with 0.50 mL, 0.75 mL, and 1.0 mL of doses with Bopriva®, respectively, and T4 (control - 1.0 mL of placebo (distilled water)), with fifteen animals in each. The variables were measured every 15 days for three months (September to November 2018). Datasets were assessed by one-way ANOVA and subsequent posthoc Tukey´s test to detect significant differences among treatments. The results indicated differences found between treatments with the immunocastration compared with non-castrated animals for final weight, carcass weight and performance, scrotal circumference, and docility. Growth performance and meat quality characteristics were not adversely affected by immunocastration. Likewise, immunocastration with Bopriva proved to be effective to stop scrotal development and consequently reduces the sexual and aggressive behavior of young rams. The dose of 0.5 mL seems to be adequate due showed better performance for most variables compared to other treatments.
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spelling doaj.art-65800947459e4b8e92b03c3dfe578c3e2022-12-21T19:38:21ZspaAsociación Peruana de Reproducción AnimalSPERMOVA2223-93752308-49282020-12-01102889310.18548/aspe/0008.13IMMUNOCASTRATION WITH VACCINATION AGAINST GONADOTROPIN-RELEASING FACTOR (GnRF) ON THE PRODUCTION PERFORMANCE OF RAMSIde Unchupaico Payano0https://orcid.org/0000-0002-6441-5016Fernando Arauco Villar1https://orcid.org/0000-0002-1768-8388Fernan Chanamé Zapata2https://orcid.org/0000-0002-2059-8308Edith Ancco Gomez3https://orcid.org/0000-0002-5119-5202Jordan Ninahuanca Carhuas4https://orcid.org/0000-0002-0137-0631Carlos Quispe Eulogio5https://orcid.org/0000-0002-2316-1646Alex Huamán De La Cruz6https://orcid.org/0000-0003-4583-9136Facultad de Zootecnia Universidad Nacional del Centro del Perú, Huancayo, Perú.Facultad de Zootecnia Universidad Nacional del Centro del Perú, Huancayo, Perú.Facultad de Zootecnia Universidad Nacional del Centro del Perú, Huancayo, Perú.Escuela Profesional de Medicina Veterinaria y Zootecnia, Facultad de Ciencias de la Salud, Universidad Peruana los Andes, Huancayo, Junín, Perú. Facultad de Zootecnia Universidad Nacional del Centro del Perú, Huancayo, Perú.Escuela Profesional de Medicina Veterinaria y Zootecnia, Facultad de Ciencias de la Salud, Universidad Peruana los Andes, Huancayo, Junín, Perú. Instituto General de Investigación, Universidad Nacional del Centro del Perú, Huancayo, Perú. The objective of this study was to investigate the immunocastration using against gonadotropin-releasing factor (GnRF) with Bopriva® (Zoetis) on the performance of production variables, meat quality, docility, and scrotal circumference in young rams, from Sheep production center “Tupac Amaru”, Junin region, Perú. A total of 60 animals were divided into four treatments: T1, T2, and T3 with 0.50 mL, 0.75 mL, and 1.0 mL of doses with Bopriva®, respectively, and T4 (control - 1.0 mL of placebo (distilled water)), with fifteen animals in each. The variables were measured every 15 days for three months (September to November 2018). Datasets were assessed by one-way ANOVA and subsequent posthoc Tukey´s test to detect significant differences among treatments. The results indicated differences found between treatments with the immunocastration compared with non-castrated animals for final weight, carcass weight and performance, scrotal circumference, and docility. Growth performance and meat quality characteristics were not adversely affected by immunocastration. Likewise, immunocastration with Bopriva proved to be effective to stop scrotal development and consequently reduces the sexual and aggressive behavior of young rams. The dose of 0.5 mL seems to be adequate due showed better performance for most variables compared to other treatments.http://spermova.pe/site2/files/Revistas/Revista%20Nro.%2010%20Vol.%202/13_Unchupaico_2020.pdfgnrfimmunocastrationvaccineyoung rams
spellingShingle Ide Unchupaico Payano
Fernando Arauco Villar
Fernan Chanamé Zapata
Edith Ancco Gomez
Jordan Ninahuanca Carhuas
Carlos Quispe Eulogio
Alex Huamán De La Cruz
IMMUNOCASTRATION WITH VACCINATION AGAINST GONADOTROPIN-RELEASING FACTOR (GnRF) ON THE PRODUCTION PERFORMANCE OF RAMS
SPERMOVA
gnrf
immunocastration
vaccine
young rams
title IMMUNOCASTRATION WITH VACCINATION AGAINST GONADOTROPIN-RELEASING FACTOR (GnRF) ON THE PRODUCTION PERFORMANCE OF RAMS
title_full IMMUNOCASTRATION WITH VACCINATION AGAINST GONADOTROPIN-RELEASING FACTOR (GnRF) ON THE PRODUCTION PERFORMANCE OF RAMS
title_fullStr IMMUNOCASTRATION WITH VACCINATION AGAINST GONADOTROPIN-RELEASING FACTOR (GnRF) ON THE PRODUCTION PERFORMANCE OF RAMS
title_full_unstemmed IMMUNOCASTRATION WITH VACCINATION AGAINST GONADOTROPIN-RELEASING FACTOR (GnRF) ON THE PRODUCTION PERFORMANCE OF RAMS
title_short IMMUNOCASTRATION WITH VACCINATION AGAINST GONADOTROPIN-RELEASING FACTOR (GnRF) ON THE PRODUCTION PERFORMANCE OF RAMS
title_sort immunocastration with vaccination against gonadotropin releasing factor gnrf on the production performance of rams
topic gnrf
immunocastration
vaccine
young rams
url http://spermova.pe/site2/files/Revistas/Revista%20Nro.%2010%20Vol.%202/13_Unchupaico_2020.pdf
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