Low Levels of Supplementation for Post-Weaning Girolando Steers on Tropical Pasture During the Dry to Rainy Season Transition
Wbeimar Yamit Sanchez Dueñez, Diana Carolina Cediel-Devia, Osman Ronaldo Aguilar Melgar, Marceliana da Conceição Santos, Sinvaldo Oliveira de Souza, Laize Vieira Santos, Rayce Aparecida Ferreira, Pedro Fernando Caro Aponte, Jeferson Camilo Ortiz Riobo, Fábio Andrade Teixeira

TL;DR
This study found that supplementing post-weaning steers with 1 g/kg of concentrate during the dry to rainy season transition is sufficient to improve forage intake and digestion without affecting growth.
Contribution
The study identifies a cost-effective supplementation level for beef cattle in tropical regions during a critical seasonal transition.
Findings
Steers supplemented with 1 g/kg of BW had higher forage intake and fiber digestibility.
Supplementation at 1 g/kg BW improved nutrient utilization without compromising growth performance.
Both supplementation levels resulted in similar average daily gain and final body weight.
Abstract
This study evaluated two levels of concentrate supplementation (1 g/kg and 2 g/kg of body weight, BW) on the intake, digestibility and performance of post-weaning Girolando steers on tropical pastures during the dry to rainy transition season/period. The main problem addressed was how to optimize nutrition in this period when the forage quality decreases, affecting animal growth. The results showed that steers that received 1 g/kg of the supplement had greater forage intake and fiber digestibility, while those that received 2 g/kg consumed more non-fiber carbohydrates. However, the average daily gain and final body weight were similar between the two groups. This study concludes that a supplementation level of 1 g/kg of BW is sufficient to increase nutrient utilization without compromising animal performance, offering a cost-effective solution for beef production in tropical regions.…
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Taxonomy
TopicsRuminant Nutrition and Digestive Physiology · Agroforestry and silvopastoral systems · Agriculture and Rural Development Research
