Nutritional Evaluation of Tilapia Filleting Waste Meal for Swine in the Nursery Phase

Abstract

-Three experiments were conducted to determine the nutritional composition of tilapia filleting waste meal (TFWM) for pigs in the initial phase. In the first experiment, the chemical composition and the values of digestible and metabolizable energy of TFWM were determined using 10 pigs (15.10 ± 0.74 kg), distributed in cages for metabolic research (2 treatments X 5 replicates). The TFWM replaced 20% of the reference diet based on corn and soybean meal. In the second experiment, the ileal digestibility coefficients of amino acids present in TFWM were determined, using chromic oxide as a marker, through the method of sacrifice, using 10 pigs (15.00 ± 0.27 kg), distributed in cages for metabolic research (2 treatments X 5 replicates). Treatments consisted of a basal diet and one without protein. In the third experiment, the performance of pigs fed diets containing different concentrations of TFWM (0, 5, 10, 15 and 20%) was evaluated. Forty pigs (15.00 ± 0.87 kg), distributed in pairs in nursery pens (5 treatments X 4 replicates) were used. The values of digestible and metabolizable energy corresponded to 3,632 and 3,260 kcal/kg, respectively. Inclusion of up to 10% TFWM in the diet of barrows from 15 to 30 kg did not affect the average daily gain and feed conversion of the animals. RESUMO -Foram realizados três experimentos para determinar a composição nutricional da farinha dos resíduos industriais de filetagem da tilápia (FRIFT) para suínos, machos castrados, em fase inicial. No primeiro, foi determinada a composição bromatológica e valores de energia digestível e metabolizável da FRIFT, utilizando-se 10 suínos (15,10 kg ± 0,74), distribuídos em gaiolas para estudos metabólicos (2 tratamentos X 5 repetições). A FRIFT substituiu em 20% a ração referência, à base de milho e farelo de soja. No segundo experimento, foram determinados os coeficientes de digestibilidade ileal dos aminoácidos da FRIFT, empregando-se óxido crômico como indicador, pelo método do sacrifício, tendo sido utilizados 10 suínos (15,00 kg ±0,27), distribuídos em gaiolas para estudos metabólicos (2 tratamentos X 5 repetições). Os tratamentos consistiram de uma ração basal e outra sem proteína. No terceiro experimento, foi avaliado o desempenho de suínos alimentados com rações contendo diferentes níveis de FRIFT (0, 5, 10, 15 e 20%). Foram utilizados 40 suínos (15,00 kg ±0,87), distribuídos aos pares em baias de creche (5 tratamentos X 4 repetições). Os valores de energia digestível e metabolizável corresponderam a 3.632 e 3.260 kcal/kg, respectivamente. A inclusão de até 10 % de FRIFT na dieta de suínos machos castrados, dos 15 aos 30 kg, não alterou o ganho de peso diário e a conversão alimentar dos animais.Palavras-chave: Alimentos alternativos. Valores energéticos. Aminoácidos digestíveis.

Growth Performance, Nutrient Digestibility, Blood Profiles, and Gut Integrity of Growing Pigs Fed Pickled Fish Residue with Decreased Salt Content

“…This is consistent with our finding. Such finding also aligns with that of Richart et al [6], who observed that the consumption of 10% tilapia filleting waste meal by growing pigs (15 to 30 kg BW) did not have any detrimental effects on their growth performance. However, up to 15% of tilapia filleting waste in the diet caused a decrease in final BW, ADG, and ADG.…”

“…However, no reports on dietary PRF supplementation for monogastric animals are available. One relevant report revealed that the inclusion of 20% tilapia (Oreochromis niloticus) filleting waste meal in the diet of growing pigs significantly increased their body weight, average daily gain, and feed efficiency [6]. Regarding the nutritional characteristics of PRF, it can be utilized as a good alternative ingredient for monogastric animals.…”

Inclusion of residue meat flour in growing pigs diet (30-50 kg)

“…When working with the inclusion of 0 to 20% of tilapia filleting waste meal to 15 to 30 kg piglets, Richart et al (2016) observed that up to 10% level did not affect the piglet's final weight and average daily weight gain, however above that level there was a decrease on those variables due to possible amino acids loss, especially lysine during the thermal treatment of the residue.…”

Metabolizabilidade da energia de farinhas mistas contendo silagem de peixes para frangos de corte

“…Dentre eles, destaca-se a farinha de resíduos industriais de filetagem de tilápia (cabeça, espinhas, vísceras, gordura abdominal e barbatanas), que, segundo Richart et al (2016), apresenta, em média, 95,28% de matéria seca, 53,43% de proteína bruta, 16,82% de extrato etéreo, 23,42% de matéria mineral, 6,98% de cálcio e 3,52% de fósforo.…”