Tesis Medicina Veterinaria
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Item Caracterización del sistema de producción familiar en cuyes (Cavia porcellus) en la comunidad de Teligote del cantón Pelileo(2025-02) Arevalo Castro Morelia Isabel; Kelly Alvear Gerardo EnriqueThe objective of this research was to characterize the family production system in the community of Teligote, located in the canton of Pelileo, province of Tungurahua. For this purpose, a survey was applied to 88 producers distributed throughout the community. The information collected was processed in the Excel program. The results indicated that guinea pig raising is mainly in the hands of women, with 80.7% participation. Of all those surveyed, it is estimated that there are between 4,400 guinea pigs, including females, males and gazapos, which indicates that each producer has, on average, around 50 animals. The predominant age of the producers varies between 41 and 60 years, representing 48.9% of the total. In terms of educational level, 68.2% of the farmers have completed primary education, 14.8% have basic reading and writing skills, 9.1% have not received any schooling and 7.9% have a high school education. The predominant genetic line is Creole, with 97.7%, and most guinea pigs are raised in cages (56.8%), due to their low cost. Guinea pig feed is based mainly on fodder such as cow's tongue, barley, plantain, holco, dandelion and chilca, which are available in fences, ditches in the area and other surrounding land with other crops (63.6%), of this percentage 13.6% do not have their own grass, while the remaining 36.4% feed with alfalfa and corn leaf, adding that 86. In addition, there is a high incidence of ectoparasites; lice in 89.8%, and in addition to lice, mites are also present in 68.2%. In addition, 89.8% of the farmers do not deworm their guinea pigs, which reflects a lack of interest in sanitary management. In relation to reproductive management, 85.2% of the producers do not have adequate control, which results in inbreeding, such as mating between parents and daughters or between siblings, increasing the levels of inbreeding, and 14.8% are dedicated only to breeding and fattening. Finally, 95.4% sell their guinea pigs; however, the sale prices range between 4 and 7 dollars for guinea pigs older than 6 months, which reflects the low profitability.Item Evaluación del forraje verde hidropónico de cebada (Hordeum vulgare) y concentrado sobre los índices productivos en etapas de crecimiento y engorde en cuyes (Cavia porcellus)(2024-08) Villalba Chulco, Ambar Cristina; Núñez Torres, Oscar PatricioThe study evaluated the effects of different proportions of hydroponic barley green fodder (FVHC) and feed concentrate in the feeding of guinea pigs in the growth and fattening stages. The treatments were distributed in five groups: 100% FVHC + 0% feed concentrate (T0), 75% FVHC + 25% feed concentrate (T1), 50% FVHC + 50% feed concentrate (T2), 25% FVHC + 75% feed concentrate (T3) and 0% FVHC + 100% feed concentrate (T4). The results showed that T2 (50% FVHC + 50% feed concentrate) was the most balanced and effective as it obtained significant weight gain and adequate feed conversion in the growth and fattening stage. On the contrary, T0 (100% FVHC + 0% feed concentrate) and T4 (0% FVHC + 100% feed concentrate) had limitations in which the former obtained higher feed intake and higher feed conversion, demonstrating that it was not sufficient to satisfy the guinea pig's nutritional requirements. On the other hand, T4 presented lower feed efficiency throughout the study because the insufficient amount of fiber negatively affected its performance. Finally, the study emphasizes the importance of a mixed diet to ensure optimal performance and welfare of the guinea pigs.Item Prevalencia de ectoparásitos artrópodos de cuyes (Cavia porcellus) y su control con Beauveria bassiana en condiciones de laboratorio(2024-08) Altamirano Cevallos, Daniela Dessire; Vásquez Freytez, Carlos LuisProduction of guinea pig (Cavia porcellus) can be affected by different factors, including skin problems, especially ectoparasites, which also predispose to secondary infections. Given the high incidence of ectoparasites, constant control measures are required, which are generally done through the use of chemical products. Therefore, in this research, the prevalence of ectoparasitic arthropods in guinea pigs in the Cevallos municipality and their control with Beauveria bassiana in laboratory conditions were evaluated. Firstly, samples were taken in the different localities in Cevallos (Vinces, Jesús del Gran Poder, Barrio La Amistad, Las Playas, Andignato, Tambo, San Pedro, Mirador, Santo Domingo, La Floresta, Belén, Santa Rosa and Agua Santa) to identify the ectoparasite species. The effect of different concentrations of a commercial product based on the entomopathogenic fungus (Beauvetic) was then evaluated: D1= 1x105 conidia (T1), D2= 1x106 conidia (T2), D3= 1 x107 conidia (T3) and a control treatment (D0) was used. Three species of ectoparasites associated with guinea pigs were identified in the different locations in the Cevallos canton, two species of mites of the genus Ornithonyssus (Ornithonyssus sp1 and Ornithonyssus sp2) and one species of chewing louse, Trimenopon hispidum, within the Trimenoponidae family. In general, mites showed a higher prevalence than lice in all the sampled areas. The effect of increasing the different concentrations of B. bassiana on the mortality of the two species of ectoparasitic mites was demonstrated, being greater when used at concentrations of 1x107 and 1x108 conidia/ml in both species of Ornithonyssus, which were significantly higher than in the rest of the treatments. Given the results obtained under in vitro conditions, it is suggested to evaluate its control effect with direct applications on guinea pigs in order to assess its safety for the animal.Item Efecto de la dosis de un inmunocastrador en hembras Cavia Porcellus sobre los índices productivos(2023-03) Bonilla Remache, Henrry Geovanny; Avilés Esquivel, Diana FernandaThe objective of the research work was to evaluate the effect of the dose of an immunocastrator in Cavia Porcellus, females on the productive indices, the experiment was carried out at the PRODUCUY Farm in the Salcedo Canton, three treatments were used: T1 (control), T2 (0.15 cc) and T3 (0.25 cc); which were inoculated subcutaneously with the INNOSURE immunocastrator, a first dose was administered at 30 days of age, and the second 15 days later, the evaluation lasted 70 days, daily weight gain values were recorded for T1 11.1 g, T2 11.4 g, T3 10.7 g, total weight gain of 444.1 g for T1, 456.6 g for T2 and 429.5 g for T3, with a feed conversion of 5.0, 4.8 and 5.0, for each treatment respectively, which shows that there were no significant differences between groups, in the same way the carcass yield (%) was identified as follows: 72.0 for T1, 72.3% for T2 and 70.9% for T3, and although there are significant differences in the C/B variable, the control T and T1 (0.15 cc) did not indicate losses in the experiment, because each dollar invested was recovered, a difference from T3 with a C/B of 0.90, this because there was no significant increase in productive parameters, research c It is concluded that the subcutaneous inoculation of the INNOSURE immunocastrator in female guinea pigs did not influence the productive parameters (weight gain, feed intake, feed conversion, carcass yield and cost benefit (C/B)).