Cu-ID: https://cu-id.com/1996/ojs434 Redirecciones: 41 URL: https://cjascience.com/index.php/CJAS/article/view/434 OAI: https://cjascience.com/index.php/CJAS/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai:ojs.pkp.sfu.ca:article/434 BibTeX: @article{Letter_of_the_Editor, title = {Letter of the Editor}, author = {Herrera, Rafael Segundo}, journal = {Cuban Journal of Agricultural Science}, volume = {48}, number = {1}, pages = {}, year = {2014-03-01}, publisher = {Instituto de Ciencia Animal}, language = {eng}, url = {https://cu-id.com/1996/ojs434}, cu_id = {https://cu-id.com/1996/ojs434}, abstract = {From November 18th to 22th, 2013 the 23rd Meeting of the Latin American Association of Animal Production, the 4th International Congress of Tropical Animal Production, the 4th International Congress of Animal Improvement, the 6th International Symposium of Agro-ecological Cattle Rearing and 2nd Symposium of the Latin American Sheep and Goat Producers Federation (FOCAL) were held in Havana, Cuba, all gathered by one theme: for a sustainable cattle rearing and in harmony with the environment.}, }
Cu-ID: https://cu-id.com/1996/v58e08 Redirecciones: 1493 URL: https://cjascience.com/index.php/CJAS/article/view/1141 OAI: https://cjascience.com/index.php/CJAS/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai:ojs.pkp.sfu.ca:article/1141 BibTeX: @article{Glycerol_in_the_diet_of_ruminant_animals:_advantages_of_its_use, title = {Glycerol in the diet of ruminant animals: advantages of its use}, author = {Delgado, A. and Galindo, Juana L.}, journal = {Cuban Journal of Agricultural Science}, volume = {58}, number = {}, pages = {https://cu-id.com/1996/v58e08}, year = {2024-09-20}, publisher = {Instituto de Ciencia Animal}, language = {eng}, url = {https://cu-id.com/1996/v58e08}, cu_id = {https://cu-id.com/1996/v58e08}, abstract = { This study delves into some topics related to the use of glycerol in ruminant feeding. The main ways to obtain glycerol are discussed and its properties are characterized. Its energetic value is highlighted due to the importance of its inclusion in diets for animals. Some studies are analyzed in which the use of glycerol in dairy and beef cattle was evaluated, as well as its effect on intake and productive indicators. In addition, general aspects related to metabolism are emphasized and the limitations related to its use are exposed. It is concluded that glycerol, which is obtained as a by-product in the manufacture of biofuels, can be included as an energy concentrate in diets intended for ruminants, as long as its methanol level is considered. }, }
Cu-ID: https://cu-id.com/1996/v58e09 Redirecciones: 89 URL: https://cjascience.com/index.php/CJAS/article/view/1144 OAI: https://cjascience.com/index.php/CJAS/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai:ojs.pkp.sfu.ca:article/1144 BibTeX: @article{In_vitro_effect_of_trees_forages_inclusion_from_the_amazonian_piedmont_in_supplements_for_cattle, title = {In vitro effect of trees forages inclusion from the amazonian piedmont in supplements for cattle}, author = {Riascos Vallejos, A.R. and Rodríguez Hernández, R. and Quintero, Lina Y. and Vargas, Diana P.}, journal = {Cuban Journal of Agricultural Science}, volume = {58}, number = {}, pages = {https://cu-id.com/1996/v58e09}, year = {2024-10-04}, publisher = {Instituto de Ciencia Animal}, language = {eng}, url = {https://cu-id.com/1996/v58e09}, cu_id = {https://cu-id.com/1996/v58e09}, abstract = {The in vitro effects of the inclusion of three native species and adapted to the Amazonian piedmont on supplements for cattle were evaluated. A total of seven treatments were constituted: T1) control (concentrate without trees), T2 and T3 (20 and 40 % of Trichantera gigantea inclusion, respectively), T4 and T5 (20 and 40 % of Piptocoma discolor inclusion, respectively), and T6 and T7 (20 and 40 % of Hibiscus rosa-sinensis inclusion, respectively). The in vitro technique of gas production was applied and the in vitro degradability of the dry matter and organic matter was determined. A completely randomized design with four repetitions per treatment was used. The higher gas production corresponded to the control (T1), although did not showed differences with respect to the treatment with 40 % Piptocoma (T5) (p=0.016). The lower values of accumulated gas production were obtained when including 20 % de Piptocoma (T4), which not differ of the treatments T2, T5, T6 and T7. The highest values of in vitro degradability of the dry matter corresponded to the control (T1) and the supplements with 20 % of Trichantera inclusion (T2) and 20 and 40 % of hibiscus (T6 and T7) (p<0.008). The lower degradability value was for T5. The highest figures of in vitro digestibility of organic matter corresponded to the control and to the supplement with 20 % of Ttrichantera (T2) and with hibiscus (T6 and T7) (p<0.0001). The rest of treatments had the fallowing performance: T4 > T3 > T5. It is concluded that the inclusion in the concentrate of 20 % of T. gigantea and 20 and 40 % of H. rosa-sinensis did not affected the DM and OM degradability of the supplement and improved the nutrition partition to higher deposition of the fermented matter as microbial biomass, when decreasing the gas production with respect to the concentrate without trees.}, }
Cu-ID: https://cu-id.com/1996/v58e10 Redirecciones: 96 URL: https://cjascience.com/index.php/CJAS/article/view/1145 OAI: https://cjascience.com/index.php/CJAS/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai:ojs.pkp.sfu.ca:article/1145 BibTeX: @article{Productive_performance,_chemical_characterization_and_energy_contribution_of_Megathyrsus_maximus_vc._Tanzania, title = {Productive performance, chemical characterization and energy contribution of Megathyrsus maximus vc. Tanzania}, author = {Pincay Ronquillo, W. and Gavilánez Buñay, Tatiana and Verdecía Acosta, D.M. and Chacón Marcheco, E. and Ramírez de la Ribera, J.L. and Herrera, R.S.}, journal = {Cuban Journal of Agricultural Science}, volume = {58}, number = {}, pages = {https://cu-id.com/1996/v58e10}, year = {2024-10-15}, publisher = {Instituto de Ciencia Animal}, language = {eng}, url = {https://cu-id.com/1996/v58e10}, cu_id = {https://cu-id.com/1996/v58e10}, abstract = {With the objective of evaluating the productive performance, chemical characterization, digestibility and energy contribution of Megathyrsus maximus vc. Tanzania at different regrowth ages, in both periods of the year, and under climatic condition of Granma province, a random block design with four replications was used. It was sampled in 25 m2plots, to which uniformity cut at 10 cm from the soil was applied, without irrigation and fertilization. It was determined the yield of total dry matter, leaves and stems; the length and width of leaves; leaf-stem proportion; the chemical composition (CP, NDF, ADF, ADL, CC, Si, P, Ca, ash and OM); energy contribution and digestibility. Analysis of variance of each studied variable was applied. The yields were higher at 75 days with 4.02 and 2.56 tDM/ha/cut in the rainy and dry season, respectively, the crude protein decreased with the age in both seasons and showed significant differences among all ages. The best values were showed at 30 regrowth days (9.44 and 10.11 % in the rainy and dry seasons, respectively), the fiber increase with the age with their higher values at 75 days with 68.04 and 67.45 % in the rainy and dry seasons, respectively, aspects that determine the quality with decrease of digestibility and energy contribution. The plant yield was affected by the seasons of the year, being higher in the rainy season. It is concluded that the evaluated cultivar has adequate morphological and productive performance under low rainfalls conditions, so is a viable option for animal feeding.}, }
Cu-ID: https://cu-id.com/1996/v58e11 Redirecciones: 80 URL: https://cjascience.com/index.php/CJAS/article/view/1146 OAI: https://cjascience.com/index.php/CJAS/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai:ojs.pkp.sfu.ca:article/1146 BibTeX: @article{Integrated_management_of_the_fertilization_for_Tithonia_diversifolia_forage_production, title = {Integrated management of the fertilization for Tithonia diversifolia forage production}, author = {González-Cañizares, P. J. and Méndez-Bonet, S. and Reyes-Rouseaux, R. and Rivera-Espinosa, R. and Hernández-Jiménez, A.}, journal = {Cuban Journal of Agricultural Science}, volume = {58}, number = {}, pages = {https://cu-id.com/1996/v58e11}, year = {2024-10-20}, publisher = {Instituto de Ciencia Animal}, language = {eng}, url = {https://cu-id.com/1996/v58e11}, cu_id = {https://cu-id.com/1996/v58e11}, abstract = {The effect of the integrated management of the fertilization with biofertilizer, organic manure and nitrogen fertilizer on Tithonia diversifolia forage production was evaluated. A total of nine treatments (application of 0, 70 and 100 kg N ha-1; 0, 70 and 100 kg N ha-1 plus the coinoculation with Azospirillum brasilense and Rhizoglomus irregulare, and 0, 70 and 100 kg N ha-1 combine with the coinoculation with both biofertilizer plus the application of 25 t ha-1 cattle manure) were studied in a random block design with four repetitions. The inoculum with R. irregulare was applied using the Canavalia ensiformis as precedent crop and way for the reproduction of mycorrhizal propagules in the soil for Tithonia inoculation, and the inoculum with A. brasilense, at 15 d after Tithonia planting, at a rate of 20 L ha-1.The manure increased (p<0.01) the contents of OM, assimilable P and k interchangeable of the soil. Their application, combine with the coinoculation with both biofertilizer, caused the higher levels of mycorrhizal colonization, concentrations and extractions of N, P and K in the aerial biomass and yields higher (p<0.01) to those reached with the nitrogen fertilization, alone or with the biofertilizer (24 t DM ha-1). It is concluded that the integrated management of the fertilization by the application of cattle manure and the coinoculation with A. brasilense and R. irregulare is effective to increase the yield of Tithonia forage, reduce the use of nitrogen fertilizer and improve the soil fertility.}, }
Cu-ID: https://cu-id.com/1996/v58e12 Redirecciones: 95 URL: https://cjascience.com/index.php/CJAS/article/view/1147 OAI: https://cjascience.com/index.php/CJAS/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai:ojs.pkp.sfu.ca:article/1147 BibTeX: @article{Economic_analysis_of_the_maintenance_of_Cenchrus_purpureus_germplasm_bank_of_the_Institute_of_Animal_Science, title = {Economic analysis of the maintenance of Cenchrus purpureus germplasm bank of the Institute of Animal Science}, author = {Abreu Cruz, Amanda and Hernández Montesinos, A.R and Báez Quiñones, Nadia and Rodríguez Alfonso, Daymara and Fortes González, Dayleni and Herrera, R.S.}, journal = {Cuban Journal of Agricultural Science}, volume = {58}, number = {}, pages = {https://cu-id.com/1996/v58e12}, year = {2024-10-22}, publisher = {Instituto de Ciencia Animal}, language = {eng}, url = {https://cu-id.com/1996/v58e12}, cu_id = {https://cu-id.com/1996/v58e12}, abstract = {The maintenance of the Cenchrus purpureus germplasm collection of the Institute of Animal Science of the Republic of Cuba was economically analyzed. For the research, the direct costs involved in maintaining the accessions of the germplasm bank were considered. Annual cultural maintenance labors were taken into account. The accumulation of expenses was prepared, in Cuban pesos, based on the investment in salary, fuel, machinery and other inputs. In the analysis, a total annual expense of $45,840.66 Cuban pesos was found. Of the total expenses, salary and other inputs constituted the largest outlay, with $29,260.01 and $10,350.56 Cuban pesos, respectively. The maintenance labors with the highest expenses were the cleaning of plots, mechanical control of weeds and irrigation. It is concluded that it is necessary to make modifications in the schedule of annual cultural labors to reduce expenses in salary and other inputs.}, }
Cu-ID: https://cu-id.com/1996/v58e13 Redirecciones: 122 URL: https://cjascience.com/index.php/CJAS/article/view/1148 OAI: https://cjascience.com/index.php/CJAS/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai:ojs.pkp.sfu.ca:article/1148 BibTeX: @article{Effect_of_micronized_zeolite_as_an_additive_on_production_and_egg_quality_in_laying_hens, title = {Effect of micronized zeolite as an additive on production and egg quality in laying hens}, author = {Rodríguez, Bárbara and Valera, M. and Castro, M.}, journal = {Cuban Journal of Agricultural Science}, volume = {58}, number = {}, pages = {https://cu-id.com/1996/v58e13}, year = {2024-10-30}, publisher = {Instituto de Ciencia Animal}, language = {eng}, url = {https://cu-id.com/1996/v58e13}, cu_id = {https://cu-id.com/1996/v58e13}, abstract = {The effect of micronized zeolite as an additive for the production and egg quality in 89-week-old laying hens is determined. 240 White Leghorns L-33 hens were used for 10 weeks, distributed in four treatments, according to a completely randomized design, with 10 replications and six hens each. The treatments consisted of adding micronized zeolite to a control diet (corn-soybean) in the following proportions: T1) control diet without addition of zeolite, T2) control diet + 1 % addition of zeolite, T3) control diet + 1.5 % addition of zeolite and T4) control diet + 2 % addition of zeolite. Body weight, laying intensity, eggs per hen per week and feed conversion did not differ among treatments. However, with 2 % micronized zeolite, mass conversion was better than in the control (1.70 vs 1.86) and is closely related to the increase in egg weight (68.95 vs 66.89 g) compared to the diet without zeolite. Zeolite also had a positive effect on breaking strength compared to the control (37.92 vs 34.26 N), with no changes in color, albumen height and Haugh units. The results suggest using 2 % micronized zeolite as a dietary additive for 89-week-old laying hens, allowing for higher egg weight, better mass conversion, and resistance to breakage.}, }
Cu-ID: https://cu-id.com/1996/v58e14 Redirecciones: 100 URL: https://cjascience.com/index.php/CJAS/article/view/1149 OAI: https://cjascience.com/index.php/CJAS/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai:ojs.pkp.sfu.ca:article/1149 BibTeX: @article{Bioclimatic_scenarios_for_sheep_production_systems_in_Ciego_de_Ávila,_Cuba, title = {Bioclimatic scenarios for sheep production systems in Ciego de Ávila, Cuba}, author = { Serrano, J.O. and Martínez-Melo, J. and Sieiro-Miranda, Grethel L. and Fonseca, N. and Rodríguez Santana, Ioan and López Mayea, Aliana and Matos Pupo, F.}, journal = {Cuban Journal of Agricultural Science}, volume = {58}, number = {}, pages = {https://cu-id.com/1996/v58e14}, year = {2024-11-02}, publisher = {Instituto de Ciencia Animal}, language = {eng}, url = {https://cu-id.com/1996/v58e14}, cu_id = {https://cu-id.com/1996/v58e14}, abstract = {This paper interprets the bioclimatic scenarios for sheep production systems in Ciego de Ávila for 2030, 2050 and 2100 in the scenarios called representative concentration pathways 2.6, 4.5 and 8.5. Data of accumulated ambient temperature and average relative humidity from the PRECIS-CARIBE regional model were monthly used for this purpose. The interpretation was based on scientific literature on the behavior of sheep under heat stress. The results showed a future environment with favorable meteorological conditions for the development of heat stress in sheep. Temperatures will range from 28.5 to 39.6 °C, depending on the type of scenario and the year. Relative humidity will reach values between 60.5 and 85%, which will generate temperature and relative humidity indices of 89.5 to 95.2 u. The optimal conditions for sheep to be in thermal welfare are lower than the scenarios for 2030, 2050 and 2100. The presence of trees and the development of silvopastoral systems constitute an alternative to mitigate adverse climatic conditions. Bioclimatic scenarios provide information for future planning and management of sheep rearing, selection of actions and care that promote the application of a climate-smart agriculture from the climatic point of view, which contributes to the sustainable production of these animals.}, }
Cu-ID: https://cu-id.com/1996/v58e15 Redirecciones: 89 URL: https://cjascience.com/index.php/CJAS/article/view/1150 OAI: https://cjascience.com/index.php/CJAS/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai:ojs.pkp.sfu.ca:article/1150 BibTeX: @article{Role_of_zootechnical_additives_on_productivity_and_health_of_rabbits, title = {Role of zootechnical additives on productivity and health of rabbits}, author = {Martínez, Y.}, journal = {Cuban Journal of Agricultural Science}, volume = {58}, number = {}, pages = {https://cu-id.com/1996/v58e15}, year = {2024-11-10}, publisher = {Instituto de Ciencia Animal}, language = {eng}, url = {https://cu-id.com/1996/v58e15}, cu_id = {https://cu-id.com/1996/v58e15}, abstract = {In Latin America, subtherapeutic antibiotics are commonly used in the production of monogastric animals, although their use in rabbits is less relevant than in poultry and pigs. It is known that their use generates bacterial resistance, and they have proven harmful effects on human health. This review addresses the characterization and use of new nutraceutical additives, emphasizing phytobiotics, probiotics, and prebiotics and their effect on the biological indicators of rabbits in different productive categories. These natural alternatives have antimicrobial, anti-inflammatory, antioxidant, immunomodulatory and hypocholesterolemic effects, which can stimulate the native microbiota, the production of short-chain fatty acids and can provoke microbial eubiosis and, therefore, improve intestinal health, digestibility, productive efficiency and meat quality of rabbits. Also, they can alleviate the harmful effects of some common bacterial diseases and intoxications. However, the effectiveness of these natural alternatives will depend on the probiotic strain used, the main secondary metabolites in phytobiotics and the chemical structure of the prebiotics, as well as the health status, diet, age, and productive category of the rabbits.}, }
Cu-ID: https://cu-id.com/1996/v58e16 Redirecciones: 94 URL: https://cjascience.com/index.php/CJAS/article/view/1151 OAI: https://cjascience.com/index.php/CJAS/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai:ojs.pkp.sfu.ca:article/1151 BibTeX: @article{Germination_of_Moringa_Oleifera_L._with_the_application_of_ecomic_®_and_two_synthetic_biostimulants_under_controlled_conditions, title = {Germination of Moringa Oleifera L. with the application of ecomic ® and two synthetic biostimulants under controlled conditions}, author = {Bécquer, C. J. and Puentes, Adelaida B.}, journal = {Cuban Journal of Agricultural Science}, volume = {58}, number = {}, pages = {https://cu-id.com/1996/v58e16}, year = {2024-11-16}, publisher = {Instituto de Ciencia Animal}, language = {eng}, url = {https://cu-id.com/1996/v58e16}, cu_id = {https://cu-id.com/1996/v58e16}, abstract = {Under controlled conditions, the effect of EcoMic® (Glomus cubense), TOMATICID and VIUSID® AGRO on the germination of Moringa oleifera Lam. was evaluated. The experiment was carried out in polyurethane foam trays, in a glass house. Four seeds were sown in each little well, which contained 120 g of substrate. Seeds were inoculated with the bioproducts, according to the recommendations of the manufacturer. A completely randomized design was applied, with 10 treatments and 10 repetitions. An ANOVA analysis was performed and differences among means were determined according to LSD of Fisher. In accumulated germination, 10 days after sowing, treatment 10 (EcoMic®, at the time of sowing, and VIUSID® AGRO, five days after sowing, 43.81%) was superior to the absolute control and the treatments 3 (EcoMic®), 4 (TOMATICID), 5 (VIUSID® AGRO) and 7 (EcoMic® VIUSID® AGRO) at the time of sowing. In partial germination, treatment 10 (30.71%) five days after sowing, as well as treatments 8 (EcoMic® + VIUSID® AGRO + TOMATICID, 45.52%) and 6 (EcoMic® + TOMATICID, 41.53%) at the time of sowing, were superior to the rest, except for 9 (EcoMic®, ST + TOMATICID) five days after sowing. In the total germination index, treatment 10 (14.46) surpassed the others, except for treatment 8 and the fertilized control. Germination speed index showed that treatment 10 (0.45) was superior to the others. It is concluded that the combination of EcoMic® and VIUSID® AGRO, five days after sowing, as well as that of EcoMic® + VIUSID® AGRO + TOMATICID and EcoMic® + TOMATICID, at the time of sowing, accelerated partial germination at 10 days after sowing with respect to the rest of treatments. The combination of EcoMic® and VIUSID® AGRO five days after sowing had a significant influence on the speed of germination and uniformity of seed vigor, which could constitute an advantage for the establishment of plantlets in the nursery. The effect of the bioproducts on germination capacity of seeds corresponded to the effect on their vigor and uniformity.}, }
