Performance and economic analysis of finished lambs in feedlot
DOI:
https://doi.org/10.5433/1679-0359.2016v37n1p293Keywords:
Cynodon, Financial indicators, Forage, Sheep, Intensive system.Abstract
This study aimed to evaluate animal performance and economic performance of feedlot crossbred lambs (½ Santa Inês+ ½ Suffolk) fed different diets based on hay from Cynodon dactylon genotypes, through the use of financial measures considering only the period of confinement, without relating it to the complete management cycle. A total of 30 intact crossbred Suffolk lambs, identified with earrings, with an average age of 90 days and an average body weight of 21.5 kg were used in this study. Diets were formulated using as treatments a standard concentrate and hay of the Cynodon dactylon genotypes Jiggs, Vaquero, Tifton 68, Coast-Cross, Tifton 85 and Russell in a 60:40 forage-to-concentrate ratio. The treatments were distributed in a randomized complete block design with five replicates. There were significant differences between diets in terms of total expenditure on food, and the highest values were obtained for the Jiggs genotype (BRL 48.96/animal). The animals fed diets based on Tifton 68 hay had a higher rate of return (2.16%) and profitability (34.63%) compared to the other diets. The use of diets based on Tifton 68 hay for feedlot lambs in the finishing phase brings higher economic returns compared to the remaining diets.
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