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Pastos y Forrajes

Print version ISSN 0864-0394

Abstract

SANCHEZ, Tania; ROSABAL, M; LAMELA, L  and  LOPEZ, O. Productive indicators of a commercial dairy farm in Matanzas province. Pastos y Forrajes [online]. 2014, vol.37, n.2, pp.173-181. ISSN 0864-0394.

The study was conducted in order to characterize the productive indicators of a commercial dairy unit, in a livestock production enterprise of the Matanzas province, Cuba. The unit had a total area of 80,83 ha, from which 2,66 ha consisted in sugarcane; 12,6 ha had king grass and 60,04 ha were for grazing. This last one was divided into 49 paddocks (1,6 ha per paddock, approximately) and the real stocking rate was 1,7 LAU/ha. The dry matter availability of the pastures was determined with a monthly frequency, as well as the measurement of milk production on the 100 % of the milking cows to elaborate the retrospective feeding balances per group. No significant differences were found among the availability values (between 1,6 and 2,5 t DM/ha/rotation). Significant differences were detected (p < 0,001) between the milk production average in July-August and September-October (9,5 and 10,0 kg/animal/day, respectively) with regards to March-April and January-February (6,6 and 7,8 kg/animal/day, respectively). In the other bimesters, the cows showed moderate milk productions, without statistical differences. It is concluded that, although the pasture availability was low throughout the year, the use of concentrate feeds allowed to obtain adequate milk productions, with the best productive responses in September-October and July-August. To make transformations in the feeding basis of the unit is recommended in order to increase the dry matter availability in the pastureland.

Keywords : suplementación; natural pastures; milk production; supplementation.

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