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Pig Reproductive and Respiratory Syndrome Virus (PRRSV) Does Not Attach to Boar Sperm;It Affects Only the Velocity Pattern and the mobility Pattern

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Journal of Biosciences and medicines 2024年第4期12卷 216-228页

作者： Néstor méndez Palacios Netzi Naidí mendez Palacios Felicitas Vázquez Flores José Alfredo Galicia Domínguez Edgar Guadalupe Beltrán Rosas maximino méndez mendoza Facultad de medicina Veterinaria and Zootecnia-Benemé rita Universidad Aut&#243noma de Puebla Puebla Mexico Independent Advisor in the Porcine Area Puebla Mexico

The purpose of the study was to evaluate the sperm viability of semen infected with PRRSV viral particles, observing the effect of the Virus on the motility of boar sperm. The work was carried out at the FmVZ-BUAP Genetics and Reproduction Laboratory. 5 stallions were used. Each sample contained 1 × 106 sperm, the PRRS virus strain was ATCC-VR-2332 (0, 102, 104 and 106 copies of RNA/mL in triplicate), it was observed daily at the CASA;Hamilton Thorne®. Cells with mT (P mP between control and virus concentrations (P ≥ 0.05). The LCV on day 1 and 7 PI at 10X2 and 10X6 (P matrix, where it is observed that there is a correlation between VSL and VAP, VSL and VCL, VCL and ALH, VAP with ALH. There is a correlation of VSL and ALH, STR and ALH. In this study there were (P ≤ 0.01) in the VCL, in the concentrations (102) 162.81 ± 10.65 and (106) 177.12 ± 5.77 vs 193.04 ± 4.62 of control. This indicates that altering these parameters would be related to fertility and the PRRS virus affects the LCV. Regarding the VSL, it was observed that the sperm infected with viruses 102, 104 and 106 of 48.00 ± 3.38, 49.88 ± 1.83 and 50.55 ± 2.24 Vs. 56.66 ± 1.68 of control respectively, the control would have greater possibilities of fertilizing the oocyte. In this study, it was found (P ≤ 0.01) in the VAP with 102 of 77.26 ± 5.16, 104 with 83.35 ± 2.41 and 106 with 81.29 ± 3.14 vs the control with 90.56 ± 2.07. Regarding the ALH there is (P 4 with 8.70 ± .26 and 106 with 9.64 ± 0.23 vs control 8.50 ± 0.27. The presence of different concentrations of PRRSV in boar semen induces changes in different types of sperm motility. Infection of ej

关键词： PRRSV Boar Sperms Velocity Pattern and mobility Pattern

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Sperm Quality in Holstein Bulls Friesian and Brahmans of Frozen Semen Commercially

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Open Journal of Animal Sciences 2015年第3期5卷 229-231页

作者： Alejandro Córdova-Izquierdo Gustavo Ruiz-Lang Román Espinosa-Cervantes Adrían Emmanuel Iglesias-Reyes maximino méndez-mendoza Rubén Huerta-Crispín Abel Edmundo Villa-mancera ma. De Lourdes Juárez-mosqueda Pedro Sánchez-Aparicio Jaime Olivares-Pérez Juan Eulogio Guerra-Liera Gerardo Cansino-Arroyo Departamento de Producción Agrícola y Animal Universidad Autónoma Metropolitana Unidad Xochimilco México D.F. México Facultad de Veterinaria Benemérita Universidad Autónoma de Puebla Puebla México Departamento de morfología FMVZ-UNAM México D.F. México Facultad de Veterinaria Universidad Autónoma del Estado de México Toluca México Unidad Académica de medicina Veterinaria y Zootecnia Universidad Autónoma de Guerrero Guerrero México Facultad de Agronomía Universidad Autónoma de Sinaloa Culiacán México División Académica de Ciencias Agropecuarias Universidad Juárez Autónoma de Tabasco Villahermosa México

The aim of this study was to assess sperm quality (motility, viability and acrosomal integrity) sperm from commercially frozen semen straws two breeds of bulls Bos taurus (holstein Frisian) and Bos indicus (Brahman). 9 commercial straws 0.5 ml of Holstein bull semen and 9 Brahman bull were thawed, they were kept for two hours at room temperature and motility, viability and acrosomal integrity (NAR) was assessed. The results were 30% motility, viability 40% and 30% of NAR in the Holstein breed. Brahma race for motility 40%, 50% and 40% viability was obtained NAR. In conclusion, according to the results of the variables analyzed, the Brahman breed in sperm quality was better than the Holstein breed;however, the results of both races meet minimum standards of quality sperm for use in artificial insemination (AI) field level.

关键词： Semen Thawed Bulls Frozen Semen Sperm Quality

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