Search Results - "Hugo H Montaldo"

Genetic parameters for somatic cell score, milk yield and type traits in Nigerian Dwarf goats by Valencia-Posadas, Mauricio, Lechuga-Arana, Alma Arianna, Avila-Ramos, Fidel, Shepard, Lisa, Montaldo, Hugo H

“…Objective: This study was conducted to estimate multi-trait genetic parameters for somatic cell score (SCS), milk yield and type traits in Nigerian Dwarf (ND)…”
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Environmental enrichment and social rank affects the fear and stress response to regular handling of dairy goats by Miranda-de la Lama, Genaro C., Pinal, Rocío, Fuchs, Katrin, Montaldo, Hugo H., Ducoing, Andrés, Galindo, Francisco

“…Human–animal interactions can have result in fear and stress for the animals and can affect negatively their welfare and productivity. Environmental enrichment…”
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Genetic improvement of Pacific white shrimp [Penaeus (Litopenaeus) vannamei]: perspectives for genomic selection by Castillo-Juárez, Héctor, Campos-Montes, Gabriel R, Caballero-Zamora, Alejandra, Montaldo, Hugo H

“…The uses of breeding programs for the Pacific white shrimp [Penaeus (Litopenaeus) vannamei] based on mixed linear models with pedigreed data are described. The…”
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Genetic improvement of Pacific white shrimp (Penaeus (Litopenaeus) vannamei): perspectives for genomic selection by Héctor eCastillo-Juárez, Gabriel R Campos-Montes, Alejandra eCaballero-Zamora, Hugo H Montaldo

“…The use of breeding programs for the Pacific white shrimp (Penaeus (Litopenaeus) vannamei) based on mixed linear models with pedigreed data are described. The…”
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Incorporation of tail weight and tail percentage at harvest size in selection programs for the Pacific white shrimp Penaeus (Litopenaeus) vannamei by Campos-Montes, Gabriel Ricardo, Montaldo, Hugo H., Armenta-Córdova, Mario, Martínez-Ortega, Alfonso, Caballero-Zamora, Alejandra, Castillo-Juárez, Héctor

“…The objective of this study was to estimate the value of incorporating tail weight (TW), and tail percentage (TP) as additional selection criteria to body…”
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Genetic parameters for body weight and survival in the Pacific White Shrimp Penaeus (Litopenaeus) vannamei affected by a White Spot Syndrome Virus (WSSV) natural outbreak by Caballero-Zamora, Alejandra, Montaldo, Hugo H., Campos-Montes, Gabriel Ricardo, Cienfuegos-Rivas, Eugenia Guadalupe, Martínez-Ortega, Alfonso, Castillo-Juárez, Héctor

“…White Spot Syndrome Virus (WSSV) is a disease that causes large economic losses in the shrimp industry. Genetic improvement is a strategy for controlling some…”
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Response to strict within‐family selection with special reference to aquaculture by Montaldo, Hugo H, Castillo‐Juárez, Héctor

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Inbreeding effects on reproductive traits in a breeding population of Pacific white shrimp Penaeus (Litopenaeus) vannamei by de los Ríos-Pérez, Lidia, Campos-Montes, Gabriel R., Martínez-Ortega, Alfonso, Castillo-Juárez, Héctor, Montaldo, Hugo H.

“…The objective of this study was to investigate the effect of inbreeding on total number of eggs (TNE), fertilization rate (FR), hatching rate (HR), and number…”
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Genetic parameters for spawning and growth traits in the Pacific white shrimp (Penaeus (Litopenaeus) vannamei) by Caballero-Zamora, Alejandra, Cienfuegos-Rivas, Eugenia Guadalupe, Montaldo, Hugo H, Campos-Montes, Gabriel Ricardo, Martínez-Ortega, Alfonso, Castillo-Juárez, Héctor

“…The aim of this study was to estimate genetic parameters for spawning traits and growth traits in a breeding line of Pacific white shrimp, Penaeus…”
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Relationships of conformation traits with somatic cell score in Nubian goats by Ángel-Sahagún, César Andrés, Campos-Castillo, Sonia Betzabeth, Gutiérrez-Chávez, Abner Josué, Lechuga-Arana, Alma Arianna, Hernández-Marín, José Antonio, Shepard, Lisa, Montaldo, Hugo H., Valencia-Posadas, Mauricio

“…ABSTRACT Records of 3716 Nubian goats from the United States (US) were analyzed to estimate relationships between fourteen conformation traits (CT) with…”
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Morphometric relationships among spermatophore structures and their association with female fertility in the Pacific white shrimp Litopenaeus vannamei by Peralta-Martínez, María de Los Angeles, Unzueta-Bustamante, Marco Linné, Montaldo, Hugo H., Caballero-Zamora, Alejandra, Castillo-Juárez, Héctor

“…Male reproductive performance affects production in shrimp hatcheries. To help better define the criteria required to choose male broodstock, our objective was…”
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Social strategies associated with identity profiles in dairy goats by Miranda-de la Lama, Genaro C., Sepúlveda, Wilmer S., Montaldo, Hugo H., María, Gustavo A., Galindo, Francisco

“…The aim of this study was to identify and analyse the social strategies associated with dominance, conflict resolution, individual behaviour and morphological…”
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Effect of the data family structure, tank replication and the statistical model, on the estimation of genetic parameters for body weight at 28 days of age in the Pacific white shrimp (Penaeus (Litopenaeus) vannamei Boone, 1931) by Montaldo, Hugo H, Castillo-Juárez, Héctor, Campos-Montes, Gabriel, Pérez-Enciso, Miguel

“…Real and simulated data sets were analysed to estimate the effect of data structure (i.e. the number of dams mated to one sire and the number of tanks per dam)…”
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Genotype × environment interaction for fertility and milk yield traits in Canadian, Mexican and US Holstein cattle by Montaldo, Hugo H., Pelcastre-Cruz, Alejandra, Castillo-Juárez, Héctor, Ruiz-López, Felipe J., Miglior, Filippo

“…The objective of this study was to evaluate genotype × environment  interaction (G×E) between Canada, the United States and Mexico for fertility and milk yield…”
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Decline of genetic variability in a captive population of Pacific white shrimp Penaeus (Litopenaeus) vannamei using microsatellite and pedigree information by Vela Avitúa, Sergio, Montaldo, Hugo H, Márquez Valdelamar, Laura, Campos Montes, Gabriel R, Castillo Juárez, Héctor

“…Background: The objective of this study was to estimate the decline of genetic variability and the changes in effective population size in three shrimp…”
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An extender solution for the short-term storage of Litopenaeus vannamei sperm to be used in artificial insemination by Morales-Ueno, Karina, Montaldo, Hugo H, Ortega, Alfonso Martínez, Paniagua-Chávez, Carmen G, Castillo-Juárez, Héctor

“…Some shrimp hatcheries use artificial insemination (AI) to improve the male to female ratio in their breeding populations. We describe a sperm extender…”
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Genetic differentiation of Mexican Holstein cattle and its relationship with Canadian and U.S. Holsteins by García-Ruiz, Adriana, Ruiz-López, Felipe de J, Van Tassell, Curtis P, Montaldo, Hugo H, Huson, Heather J

“…The Mexican Holstein (HO) industry has imported Canadian and US (CAN + USA) HO germplasm for use in two different production systems, the conventional (Conv)…”
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Additive and dominance effects of the α(s1)-casein locus on milk yield and composition traits in dairy goats by Vázquez-Flores, Felicitas, Montaldo, Hugo H, Torres-Vázquez, José A, Alonso-Morales, Rogelio A, Gayosso-Vázquez, Amanda, Valencia-Posadas, Mauricio, Castillo-Juárez, Héctor

“…The objective of this study was to evaluate the effects of the CSN1S1 locus polymorphism on 305-d records of milk, fat, protein, lactose and total solids…”
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Genetic engineering applications in animal breeding by Montaldo, Hugo H

“…This paper discusses the use of genetic engineering applications in animal breeding, including a description of the methods, their potential and current uses…”
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Análisis genético para vida productiva en ganado Holstein de México by Abadía Rojas, José R., Ruíz López, Felipe de Jesús, Vega Murillo, Vicente E., Montaldo, Hugo H.

“…Se usó la metodología de análisis de supervivencia con un modelo de riesgos proporcionales de Weibull para estudia la duración de vida productiva funcional…”
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