Rosario García, Grecia

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Efectos de la disponibilidad de espacio en la salud y en la eficiencia en conversión de alimento para el aumento en peso y desarrollo esqueletal en becerros Holstein
(2024-05-09) Rosario García, Grecia; Ortiz Colón, Guillermo; College of Agricultural Sciences; Curbelo Rodríguez, Jaime E.; Jiménez Cabán, Esbal; Department of Animal Science; Tirado Corbalá, Rebecca
The objective of this research was to analyze whether providing more space to calves could improve their growth, body condition, health status, milk and feed consumption, feed conversion efficiency and FARM evaluation from birth to weaning. Holstein calves (n=13) were evaluated for 10 weeks under an accelerated growth feeding protocol in conventional 0.76m2 cages (control=CON) or large 1.95m2cages (AMP). The hypothesis of this research was that providing more space will improve body condition, health, growth and feed conversion efficiency, and better scores will be obtained in FARM evaluations in Holstein calves. An evaluation of calf health status, growth, body condition (BCS) and FARM evaluation was carried out weekly. In the investigation, no difference was found in weight (P=0.8570) or average daily gain (P=0.9173) between treatments. In conclusion, differences were only obtained in locomotion, also the study showed a saving in the cost of weight gain of $0.57 per kg when using the AMP cages.