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- W266900976 abstract "The objective of this research was to evaluate the effect of the season on reproductive parameters on dual purpose heifers in venezuelan central savannas. A ciclicity evaluation was done, as well as ovarian size (class I= 1 cm, with or without structure) and pregnancy rate in different seasons: dry-rainy transition (SLL) (n=43 heifers) and rainy-dry transition (LLS) (n=83 heifers). Additionally, quantity and quality of basal diet (present biomass= kg DM/ha, protein, Ca and P) and body condition variables were correlated. Chi-square analysis was applied for the evaluated reproductive variables considering season as source of variation. Descriptive statistics analysis was used for the study of the basal diet caracteristics. The results did not demonstrate significant difference (P>0.05) for ciclicity between seasons, but demonstrate significant differences (P<0.05) for ovarian size of 38% (class I) and 62% (class II) in SLL vs. 3% (class I) and 97% (class II) en LLS, as well as 32% in SLL vs. 63% in LLS for pregnancy values, respectively. It is concluded that heifers mated in SLL present defficiencies in reproduction, due to availability and quality of supplied diets." @default.
- W266900976 created "2016-06-24" @default.
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- W266900976 date "2002-01-01" @default.
- W266900976 modified "2023-09-26" @default.
- W266900976 title "EFECTO DE LA EPOCA SOBRE PARÁMETROS REPRODUCTIVO EN NOVILLAS DE DOBLE PROPÓSITO EN EL ESTADO GUÁRICO Seasonal Effect on Reproductive Parameters on Dual-Purpose Heifers in Guárico State" @default.
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