Caracterización técnica y productiva de los sistemas de producción lechera del valle de Sibundoy, Putumayo (Colombia)

Martínez, José Alfonso Abecia; Ordóñez, Martha Ruth Muñoz; Melo, Carmenza Janneth Benavides; Timarán, Darío Antonio Vallejo; Velásquez, Carlos Alberto Chaves

doi:10.19052/mv.4253

Cited by 10 publications

(3 citation statements)

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“…La caracterización técnica y productiva de los sistemas de producción lechera del valle de Sibundoy, muestra que el sector ganadero y la producción lechera son de gran importancia en la economía local. Se encontró que el 79,26 % de los predios tienen menos de 7 ha; el 78,6 % tienen de 2 a 5 animales (Astaíza, Muñoz, Benavides, Vallejo, & Chaves, 2017).…”

Section: Factores Determinantes De Las Variables Socioeconómicas Y Lounclassified

Reflexiones teóricas sobre la evaluación de factores socioeconómicos en explotaciones lecheras del Carchi, Ecuador

Pérez

Arellano

2019

visionempresarial

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Con la evaluación de factores socioeconómicos en explotaciones lecheras de la provincia del Carchi se pretende conocer cómo se encuentra socialmente el productor, cómo está políticamente representado, su nivel educacional, el nivel de reemplazo generacional, el uso de TIC en la actividad productiva y la calidad de vida. Este estudio busca en la primera etapa, mediante una revisión teórica, caracterizar los factores socioeconómicos de los productores de leche bobina, que facilite elaborar un procedimiento para la evaluación de la influencia socioeconómica en los medios de vida, como herramienta para la toma de decisiones de permanencia en la actividad lechera y disminución migratoria de su fuerza laboral. Será necesario obtener de los participantes información sobre los ingresos recibidos, el detalle del día a día en sus actividades, el bienestar de la unidad familiar, evaluando índices de productividad e índices de felicidad, enfocados en determinar si un productor feliz obtendrá de mejor manera su producción, con un sentido propositivo y trascendente, que aporte a la cadena productiva insumos de calidad a largo plazo.

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Section: Factores Determinantes De Las Variables Socioeconómicas Y Lounclassified

Reflexiones teóricas sobre la evaluación de factores socioeconómicos en explotaciones lecheras del Carchi, Ecuador

Pérez

Arellano

2019

visionempresarial

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“…En un 81% de las fincas de Nariño predomina la raza Holstein, por presentar un mayor volumen de leche (Navia et al, 2015;Astaíza et al, 2017). Sin embargo, debido a las condiciones topográficas de la zona, esta raza considerada pesada, tiene incidencia en la compactación y erosión de los suelos.…”

Section: Introductionunclassified

Estimation of forage consumption for two dairy cattle biotypes in the high Andean tropics of Nariño, Colombia

Iglesias

Avellaneda

Rincón

2021

Rev. Investig. Altoandin.

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The implementation of efficient grazing technologies in high mountain cattle ranches in the department of Nariño (Colombia) increases the sustainability of these production systems and promotes the conservation of the landscape design. With the objective of evaluating the dry matter intake of F1 (Kiwi-cross x Holstein) and Holstein cattle biotypes, present in hillside areas of the Nariño mountain, a preliminary trial of individual consumption of ryegrass (Lolium perenne) was carried out in Pasto (Nariño-Colombia) with the gauging technique, and the results were compared with models reported in the literature. The data were analyzed as a completely randomized design, with repeated measures over time. Intake per gauging was higher (p<0.05) in Holstein cows, with respect to F1 cows (12.74 vs. 9.69 kg/dry-matter/day), but per unit live weight was similar (p>0.05). On the other hand, the milk composition of F1 cows was superior (p<0.05) for fat, protein, and total solids (%). In conclusion, the two breeds evaluated recorded the same forage intake capacity as a function of live weight, but, due to the larger size of the Holstein cows the absolute intake was higher, indicating that an adjustment in forage supply should be made according to the size of the animals. This work contributes to improve grazing techniques, making the use of pastures and their environment more sustainable, which favors productive efficiency and improves the quality of life for the producer families in the area.

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“…The estimated population of sheep in Colombia is near to 3.4 million animals (74% of the total population of small ruminants) with a population increase of 2.04% in the past 5 years, becoming a vital element for the growth of the livestock sector in the country. Ovine livestock systems from high-altitude tropics in Colombia are based on open grazing systems with an energy supplementation twice per day, in altitudes ranging from 1500 to 3000 m; average rainfall of 500-2000 mm/ year, and a temperature range from 3 to 18°C [9][10][11]. Regarding reproductive management, continuous free mating programs are used in 82% of the herds, <3% of the herds use AI, and the average females ram ratio is 30:1.…”

Section: Introductionmentioning

confidence: 99%

Pregnancy rates in hair sheep after Ovsynch synchronization and a combined intracervical fixed-time artificial insemination and 10-day mating period

et al. 2019

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Aim: This study aimed to evaluate the pregnancy rates in hair ewes using an Ovsynch synchronization protocol under a breeding system that combines fixed-time insemination plus a 10-day mating period as an alternative. Materials and Methods: Through an experimental study (n=27), ewes were randomly located into one of three treatments: (1) Pre-synch (n=9): Prostaglandin F2α (PGF2α)+Gonadotropin-releasing hormone (GnRH)+PGF2α+GnRH; (2) Ovsynch (n=9): GnRH+PGF2α+GnRH; and (3) control: Ewes bred by natural mating (NM) (n=9). Ewes were fixed-time inseminated (fixed-time artificial insemination [FTAI]) with fresh semen, collected just before the insemination time through vaginoscopy at 16 h after the second GnRH (gonadorelin) injection. Each experimental group was placed separately during 15 days and, after this time, fertile rams were allowed back with ewes for a 10-day mating period. Control group ewes remained with the rest of the herd suitable for breeding and were bred under NM. Pregnancy diagnosis was performed by ultrasound at 28-, 56-, and 84-day post-breeding to differentiate between FTAI and NM pregnancies. Total (FTAI±NM) pregnancy rates at 56-day post-breeding were used to compared Pre-synch, Ovsynch, and control. For this purpose, two-tailed proportions comparison z-test was used with a 95% confidence level, for testing as the null hypothesis whether two proportions were equal. Results: Pregnancy rates were higher in control ewes (66.4%) than FTAI (46.6%). When pregnancy rates after a 10-day mating period (40%) were added, the final rate (86.6%) was significantly (p<0.05) higher in Ovsynch-based protocols. The pregnancy rate was significantly lower in FTAI ewes compared to FTAI +10-day mating group (p<0.05). The overall pregnancy rate was 88.0, 85.7, and 67.0 (p>0.05) for Pre-synch, Ovsynch, and control ewes, respectively. Conclusion: These results provide evidence on the benefits of combined FTAI protocols for improving the reproductive efficiency of sheep.

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Caracterización técnica y productiva de los sistemas de producción lechera del valle de Sibundoy, Putumayo (Colombia)

Cited by 10 publications

References 0 publications

Reflexiones teóricas sobre la evaluación de factores socioeconómicos en explotaciones lecheras del Carchi, Ecuador

Reflexiones teóricas sobre la evaluación de factores socioeconómicos en explotaciones lecheras del Carchi, Ecuador

Estimation of forage consumption for two dairy cattle biotypes in the high Andean tropics of Nariño, Colombia

Pregnancy rates in hair sheep after Ovsynch synchronization and a combined intracervical fixed-time artificial insemination and 10-day mating period

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