Abstract
The objective of this study was to evaluate the use of giant palm meal (FPG) in diets with or without enzymatic supplementation for growing pigs. For the evaluation of the digestibility, ten castrated male pigs with a mean weight of 34.3±6.7 kg, housed in metabolic cages for 15 days (nine of adaptation and six of total collection of feces and urine) were used. The animals were fed twice a day (eight and 15 hours) according to the metabolic weight, five of which received the control diet and five received a test diet with a 30% inclusion of the FPG. The samples were taken daily, homogenized and a 20% aliquot was taken and stored in a freezer. Subsequently, the samples were analyzed in the laboratory of animal nutrition. In the performance test, twenty animals with 28.62±3.66kg were used, distributed in randomized blocks, with five treatments and four replicates. The treatments consisted of inclusion levels of the giant palm meal, associated or not to the enzymatic complex (EC) (0; 5; 10; 5 + EC and 10% + EC). The FPG digestible energy value for pigs in the growing phase was 1113.83 kcal/kg. It was observed that the weight gain and the absolute weight of the organs of the pigs were not influenced by the diets. Feed conversion, feed intake, economic viability of the diets and the relative weight of the organs presented differences between the treatments. It is recommended to include 10% FPG associated with the complex.
Highlights
Estima-se que no Nordeste existam aproximadamente 500 mil hectares cultivados de palma (Opuntia fícus-indica), sendo bem adaptada às condições climáticas do semiárido, suportando altas temperaturas, radiação solar e grande período de estiagem
The objective of this study was to evaluate the use of giant palm meal
the samples were analyzed in the laboratory of animal nutrition
Summary
Aprovado pela Câmara de Ética em Experimentação Animal (CEUA) com protocolo no 058/2014(3). No ensaio de digestibilidade foram utilizados 10 suínos híbridos machos castrados (por facilitar a coleta de fezes e urina separadamente) com peso médio de 34,3 ± 6,7 kg, alojados em gaiolas metabólicas tipo Pekas, distribuídos em delineamento experimental inteiramente casualizado, com dois tratamentos e cinco repetições. Foi coletada uma amostra e realizada analise da composição bromatológica do farelo de acordo com a metodologia descrita por Silva e Queiroz (2002). Nas amostras processadas de fezes e ração, foram realizadas análises de energia bruta (EB), de acordo com a metodologia descrita por Silva & Queiroz (2002). Os animais foram alimentados com uma dieta controle (DC), formulada com milho, farelo de soja e núcleo comercial para suínos em terminação, contendo diferentes níveis de inclusão do farelo da palma gigante (FPG) (Tabela 1). Composição centesimal das dietas experimentais de acordo com os níveis de inclusão do farelo de palma gigante associada ou não ao complexo enzimático
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