Accès ouvert
2026
article
OpenAlex
Pedro Antonio Robles-Trillo, Christopher D. Lu, Luis Jesús Barrera-Flores, Rafael Rodríguez-Venegas et autres
Attempting to detect and improve the management of Ketosis, the objective of this study was to determine and confirm the relationship between hours of activity, rumination time, conductivity, and milk production with the presence of ketosis in cows during the transition period …
mx, us
(code pays fourni par la source)
Accès ouvert
2026
article
OpenAlex
Martín Alfredo Legarreta-González, Cesar Alberto Meza-Herrera, Rafael Rodríguez-Martínez, Darithsa Loya-González et autres
A variety of statistical techniques were assessed for their usefulness for analysing the pattern of geographical and temporal changes in groundwater levels in order to diagnose the water supply in Meoqui, Chihuahua, which is situated in dry North-Central Mexico. These included Facebook …
Sierra Leone, mx
(code pays fourni par la source)
Accès ouvert
2025
article
OpenAlex
José Luis Herrera-González, Martín Alfredo Legarreta-González, Francisco Gerardo Véliz-Deras, Rafael Rodríguez-Venegas et autres
The most commonly used indicator to identify times of increased risk of heat stress for dairy cows is THI, which measures the heat load that cattle may suffer from air temperature ( ∘ C) and relative humidity (RH). The present study employed …
Sierra Leone
(code pays fourni par la source)
Accès ouvert
2025
article
OpenAlex
Luis Jesús Barrera-Flores, Francisco Gerardo Véliz-Deras, Viridiana Contreras-Villarreal, Pedro Antonio Robles-Trillo et autres
Background: The present study was designed to evaluate the correlation of limb torsion and distal asymmetry (LTDA) with respect to zoometric, productive and reproductive variables in Holstein cows. Methods: A total of 120 cows diagnosed with LTDA in a previous experiment (60 …
mx
(code pays fourni par la source)
Accès ouvert
2025
article
OpenAlex
Mario Cuauhtémoc Cárdenas-Arias, Rafael Rodríguez-Venegas, Pedro Antonio Robles-Trillo, Francisco Gerardo Véliz-Deras et autres
The objective of this study was to estimate the seroprevalence of Ehrlichia canis in clinically suspect dogs in the Laguna Region of Coahuila, Mexico, and to analyse its association with several clinical, haematological, and social variables. The present study focuses on the …
mx, Sierra Leone
(code pays fourni par la source)
Accès ouvert
2024
article
OpenAlex
José Luis Herrera-González, Rafael Rodríguez-Venegas, Martín Alfredo Legarreta-González, Pedro Antonio Robles-Trillo et autres
The environment in which an animal is situated can have a profound impact on its health, welfare, and productivity. This phenomenon is particularly evident in the case of dairy cattle, then, in order to quantify the impact of ambient temperature (°C) and …
mx, Sierra Leone
(code pays fourni par la source)
Accès ouvert
2024
article
OpenAlex
Alfonso Nava-Cruz, Jessica María Flores-Salas, Edir Torres-Rodríguez, Fernando Arellano-Rodríguez et autres
El calostro es la primera secreción mamaria y es la única forma en la cual las becerras adquieren inmunidad pasiva. El objetivo de este estudio es determinar la correlación de la calidad del calostro de vacas lecheras de alta producción medido con …
mx
(code pays fourni par la source)
Accès ouvert
2023
article
OpenAlex
Rafael Rodríguez-Venegas, Cesar Alberto Meza-Herrera, Pedro Antonio Robles-Trillo, Óscar Ángel-García et autres
The possible effect of heat stress (HS), measured with the temperature–humidity index (THI) across seasons of the year (SY) upon milk production (MP), feed-to-milk efficiency (FME), and cow comfort (CC) was assessed in Holstein–Friesian cows in northern-arid Mexico. Data from 2467 cows …
mx
(code pays fourni par la source)
Accès ouvert
2023
article
OpenAlex
T.A. Arbez-Abnal, José E. García, Óscar Ángel-García, F. Anzures-Olvera et autres
This study determined the effect of supplementing magnesium oxide (MgO) or brucite on plasma magnesium, rumen pH, rumen protozoa and plasma glucose levels in dairy goats. Fifteen Alpine goats were used and assigned to three treatments: control (CON) = Rolled corn, cottonseed …
mx, Sierra Leone, gb
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Accès ouvert
2022
article
OpenAlex
Rafael Rodríguez-Venegas, Cesar Alberto Meza-Herrera, Pedro Antonio Robles-Trillo, Óscar Ángel-García et autres
This study characterized the environmental–climatic trends occurring in the largest dairy cattle intensive production cluster under arid land conditions in northern Mexico. The study was based on the Temperature Humidity Index (THI); it aimed to identify the number of days with THI …
mx
(code pays fourni par la source)
Accès ouvert
2021
article
OpenAlex
Rafael Rodríguez-Martínez, Cesar Alberto Meza-Herrera, Rafael Rodríguez-Venegas, Pedro Antonio Robles-Trillo et autres
Abstract The Temperature Humidity Index (THI) is the most used to identify the risk of heat stress for dairy cattle, which is based on the environmental temperature (ºC) and humidity (%), and of which they are currently considered 68 points as the …
mx
(code pays fourni par la source)
Accès ouvert
2021
article
OpenAlex
Rafael Rodríguez-Martínez, Jesús Salvador Rivas-Madero, Pedro Antonio Robles-Trillo, Cesar Alberto Meza-Herrera et autres
Abstract The Lagunera region, located in north central Mexico (24° 01′-26° 48 ‘LN and 101° 52′-101° 52′ 104° 40′ LO), produce the 21% of the national Mexican cow’s milk despite its climatic conditions (temperatures that fluctuate between 12.7 °C in January and …
mx
(code pays fourni par la source)