Development of a spreadsheet program to obtain the economic threshold of acaricides as a support in the control of the cattle tick Rhipicephalus microplus
The aim of the study was to develop a simulation program in spreadsheets using Excel® to estimate the economic thresholds of acaricides used in the Rhipicephalus microplus tick control. The economic threshold is the population density of the parasite with which the decision is made to initiate a control action that prevents a loss greater than the cost of the intervention. Parameters used by the program are: number, price and weight of cattle, number of people applying the treatment and their income, number of applications per year and the supplies of each product. A total of 10,000 simulations were carried out with five different families of acaricides to obtain economic thresholds using losses of 1.37 and 1.18 kg per tick for two genetic types of cattle and i = 1,2,3 ..., 500 ticks, resistance (30 %) and without resistance. The thresholds obtained by the program, with 100 % and 70 % effectiveness of the acaricides were 46 and 158 ticks respectively, the average difference of live weight loss between B. taurus and its cross with zebu was 1.33 g. When the effectiveness of the product decreases, and acaricide is applied to a population of ticks before reaching the economic threshold, there are monetary losses, so it is desirable to know the resistance of R. microplus and the economic threshold in each farm.
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Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias
2017
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Hernández García, Anaid Ireri García Vázquez, Zeferino Vázquez- Peláez, Carlos Gustavo Tapia Pérez, Graciela Guadalupe |
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Hernández García, Anaid Ireri García Vázquez, Zeferino Vázquez- Peláez, Carlos Gustavo Tapia Pérez, Graciela Guadalupe Development of a spreadsheet program to obtain the economic threshold of acaricides as a support in the control of the cattle tick Rhipicephalus microplus |
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Hernández García, Anaid Ireri García Vázquez, Zeferino Vázquez- Peláez, Carlos Gustavo Tapia Pérez, Graciela Guadalupe |
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Hernández García, Anaid Ireri |
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Development of a spreadsheet program to obtain the economic threshold of acaricides as a support in the control of the cattle tick Rhipicephalus microplus |
| title_short |
Development of a spreadsheet program to obtain the economic threshold of acaricides as a support in the control of the cattle tick Rhipicephalus microplus |
| title_full |
Development of a spreadsheet program to obtain the economic threshold of acaricides as a support in the control of the cattle tick Rhipicephalus microplus |
| title_fullStr |
Development of a spreadsheet program to obtain the economic threshold of acaricides as a support in the control of the cattle tick Rhipicephalus microplus |
| title_full_unstemmed |
Development of a spreadsheet program to obtain the economic threshold of acaricides as a support in the control of the cattle tick Rhipicephalus microplus |
| title_sort |
development of a spreadsheet program to obtain the economic threshold of acaricides as a support in the control of the cattle tick rhipicephalus microplus |
| description |
The aim of the study was to develop a simulation program in spreadsheets using Excel® to estimate the economic thresholds of acaricides used in the Rhipicephalus microplus tick control. The economic threshold is the population density of the parasite with which the decision is made to initiate a control action that prevents a loss greater than the cost of the intervention. Parameters used by the program are: number, price and weight of cattle, number of people applying the treatment and their income, number of applications per year and the supplies of each product. A total of 10,000 simulations were carried out with five different families of acaricides to obtain economic thresholds using losses of 1.37 and 1.18 kg per tick for two genetic types of cattle and i = 1,2,3 ..., 500 ticks, resistance (30 %) and without resistance. The thresholds obtained by the program, with 100 % and 70 % effectiveness of the acaricides were 46 and 158 ticks respectively, the average difference of live weight loss between B. taurus and its cross with zebu was 1.33 g. When the effectiveness of the product decreases, and acaricide is applied to a population of ticks before reaching the economic threshold, there are monetary losses, so it is desirable to know the resistance of R. microplus and the economic threshold in each farm. |
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Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias |
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2017 |
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https://cienciaspecuarias.inifap.gob.mx/index.php/Pecuarias/article/view/4518 |
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rev-remexcp-article45182018-12-21T19:40:44Z Development of a spreadsheet program to obtain the economic threshold of acaricides as a support in the control of the cattle tick Rhipicephalus microplus Desarrollo de un programa en hoja de cálculo para obtener el umbral económico de acaricidas como apoyo en el control de la garrapata Rhipicephalus microplus Hernández García, Anaid Ireri García Vázquez, Zeferino Vázquez- Peláez, Carlos Gustavo Tapia Pérez, Graciela Guadalupe Economic thresholds; Cattle tick; Simulation program; Rhipicephalus microplus. Umbral económico; Garrapata del ganado; Programa de simulación; Rhipicephalus microplus. The aim of the study was to develop a simulation program in spreadsheets using Excel® to estimate the economic thresholds of acaricides used in the Rhipicephalus microplus tick control. The economic threshold is the population density of the parasite with which the decision is made to initiate a control action that prevents a loss greater than the cost of the intervention. Parameters used by the program are: number, price and weight of cattle, number of people applying the treatment and their income, number of applications per year and the supplies of each product. A total of 10,000 simulations were carried out with five different families of acaricides to obtain economic thresholds using losses of 1.37 and 1.18 kg per tick for two genetic types of cattle and i = 1,2,3 ..., 500 ticks, resistance (30 %) and without resistance. The thresholds obtained by the program, with 100 % and 70 % effectiveness of the acaricides were 46 and 158 ticks respectively, the average difference of live weight loss between B. taurus and its cross with zebu was 1.33 g. When the effectiveness of the product decreases, and acaricide is applied to a population of ticks before reaching the economic threshold, there are monetary losses, so it is desirable to know the resistance of R. microplus and the economic threshold in each farm. El objetivo fue desarrollar un programa de simulación en hojas de cálculo utilizando Excel®, que estima los umbrales económicos de acaricidas usados en el control de garrapata Rhipicephalus microplus. El umbral económico (UE) es la densidad de población del parásito, para tomar la decisión de iniciar una acción de control que impida una pérdida mayor al costo de la intervención. Los parámetros que utiliza el programa son: cantidad de cabezas en la explotación, precio en el mercado por kilo en canal de bovino, y peso promedio de los bovinos, número de personas que aplican el tratamiento y su salario, número de aplicaciones al año y los insumos de cada producto. Se ejecutaron 10,000 simulaciones con cinco familias de acaricidas diferentes para obtener umbrales económicos utilizando pérdidas de 1.37 y 1.18 kg por garrapata para dos tipos genéticos de bovinos e i=1,2,3…,500 garrapatas, resistentes (30 %) y sin resistencia. Los umbrales obtenidos, con 100 % y 70% de efectividad de los acaricidas fueron 46 y 158 garrapatas respectivamente, la diferencia promedio de pérdida de peso vivo entre B. taurus y su cruza con cebú fue de 1.33 g por garrapata ingurgitada. Al aplicarse un acaricida a una población de garrapatas antes de alcanzar el umbral económico se tienen pérdidas monetarias, por lo que es deseable conocer la resistencia de R. microplus y el umbral económico en cada explotación. Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO 2017-12-26 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf application/xml https://cienciaspecuarias.inifap.gob.mx/index.php/Pecuarias/article/view/4518 10.22319/rmcp.v9i1.4518 Revista Mexicana de Ciencias Pecuarias; Vol. 9, Núm. 1 (2018): Enero-Marzo; 147-161 Revista Mexicana de Ciencias Pecuarias; Vol. 9, Núm. 1 (2018): Enero-Marzo; 147-161 2448-6698 2007-1124 spa https://cienciaspecuarias.inifap.gob.mx/index.php/Pecuarias/article/view/4518/3799 https://cienciaspecuarias.inifap.gob.mx/index.php/Pecuarias/article/view/4518/3964 https://cienciaspecuarias.inifap.gob.mx/index.php/Pecuarias/article/downloadSuppFile/4518/487 http://creativecommons.org/licenses/by-nc-sa/4.0 |