Resumo

INSUASTY-SANTACRUZ, EFRÉN  e  JURADO-GAMEZ, HENRY. Forage beet Beta vulgaris planted under micro tunnels and the effect on productive parameters of the guinea pig. Rev.Bio.Agro [online]. 2020, vol.18, n.1, pp.74-83. ISSN 1692-3561.  https://doi.org/10.18684/bsaa.v18n1.1421.

Fodder beet is a potential food in animal nutrition. The objective was to assess the effect of beet, sown under micro-greenhouse, on the guinea pig's productive parameters. The width and length of the leaf, plant height and root weight parameters were evaluated in three cropping systems: open field, micro-greenhouse and micro-greenhouse with CO2. The beet produced was supplied to fattening guinea pigs to determine digestibility, food consumption, weight gain and feed conversion. Forage (Lolium sp) was replaced by fodder beet in quantities of 50 and 70% for both open field and micro-greenhouse. The differences were determined by analysis of variance for both trials. There were no significant differences in leaf length and width. Values ​​of 26,6 cm, 38,5 and 35,3 height for open field and micro-greenhouse were found. The guinea pig's production parameters improved with 50% fodder beet. It is concluded that the micro-greenhouse system improves root weight and fodder beet is suitable for guinea pigs in replacement of 30% of the ration.

Palavras-chave : Amaranthaceae; Forage; Digestibility; Productivity.

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