| Table of contents Cuban J. Agric. Sci. vol.55 no.4 Mayabeque Oct.-Dec. 2021 BIOMATHEMATIC | | | | · Application of categorical principal component analysis in the study of ovine production systems in Ciego de Ávila province Torres Cárdenas, Verena; Serrano Torres, J. O.; Martínez Melo, J.; Fonseca Fuentes, N.; Borroto Pérez, Angela; Mazorra Calero, C. A.
| | | | · Meta-analysis to determine the effect of energy additives on the pH of tropical forage silages Torres Martínez, Mildrey; Herrera Villafranca, Magaly; Rodríguez Hernández, R.
| | | ANIMAL SCIENCE | | | | · Meat quality of non-castrated males (Holstein x Zebu), fattened in a silvopastoral system Iraola Jerez, J.; García Orta, Yenny; Fraga Benítez, L. M.; Hernández-Báez, J. L.
| | | | · Evaluation of the productive response of male cattle to the substitution of corn grain by different levels of fresh sweet potato tuber (Ipomoea batatas L.) in a fattening diet Ruiloba, M.H.; Maure, J.; Solís, C.
| | | | · Effect of inclusion levels of dry distillery grains with solubles (DDGS) on productivity and egg quality of Hy-Line Brown® laying hens Castiblanco, F.; Paz, P. E.; Valdivié, M.; Martínez, Y.
| | | PASTURE SCIENCE AND OTHER CROPS | | | | · Characterization of the floral structure and evaluation of seeds production from different materials of Tithonia diversifolia Hemsl.) A. Gray. in Cuba Rodríguez García, Idalmis; Padilla Corralea, C.; Medina Mesa, Yolaine
| | | | · Humic substances benefiting the development of Arachis pintoi cv. Amarillo MG 100 (forage peanut) cultivated on degraded soil Oliveira, D.M.; Thiengo, C.C.; Bolzan, Lenita J.; Mendonça, E.S.; Burak, D.L.
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