Abstract
This study aimed to determine the average daily weight gain, daily feed intake and the feed conversion ratio of pigs in initial phase (15 to 30 kg of weight) fed with four different levels of substitution (0, 3, 6 and 9%) of soybean meal protein by dehydrated egg protein. Thirty-two pigs (16 castrated males and 16 females) were used in a completely randomized blocks statistical design, with four treatments and four repetitions each; the experimental unit was composed by a male and a female. The treatments were 0, 3, 6 and 9% of dehydrated egg protein in replacement of soybean meal protein. The data obtained were subjected to linear regression for the levels 3, 6 and 9% of dehydrated egg; the witness (0%) was compared with the other treatments applying Dunnett’s test at 5% probability. The replacement levels of soybean meal protein by dehydrated egg protein did not influence the performance variables of the animals in the initial phase, up to 9%. However, when evaluating the cost-benefit ratio, the control treatment was the most profitable one.
Highlights
A restrição de ingredientes em algumas regiões do país, principalmente no Nordeste, torna imperativo que novas fontes alimentares sejam testadas para o incremento da produção e o fortalecimento da suinocultura, além de proporcionar proteína de origem animal de qualidade à mesa do consumidor
Digestible energy according to Figueiredo et al (2003). 2Washed sand; 3Security Level per kg of product. 4Security Level per kg of product
VAN NEVEL, C. et al Effects of increasing amouts of Lupinus albus seed without or with whole egg powder in the diet of growing pigs on performance
Summary
O experimento foi realizado no Setor de Suinocultura do Centro de Formação de Acta Sci. O delineamento experimental utilizado foi em blocos ao acaso, com quatro tratamentos constituídos pelos níveis de substituição de 0, 3, 6 e 9% da proteína do farelo de soja pela proteína do ovo desidratado, quatro repetições e dois animais por repetição (um macho castrado e uma fêmea), totalizando 16 unidades experimentais. Os parâmetros avaliados foram: renda bruta média (RMB) - valor obtido com a venda dos animais; custo médio da alimentação (CMA) - gasto com os ingredientes para a formulação das rações; margem bruta média. Ovo desidratado para suínos em crescimento (MBM) - valor obtido pela divisão da renda bruta média pelo custo médio da alimentação; e a taxa de retorno média (TRM) - o retorno do capital aplicado em um determinado investimento, ou seja, quanto se está ganhando a cada unidade monetária aplicada. Tabela 1.Composições centesimal e nutricional das dietas experimentais na fase inicial (15 a 30 kg)
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