Impact of Fermented Liquid Potato Hash Diets on Growth Performance of Grower Pigs

Abstract

The study aimed to evaluate growth performance of grower pigs fed fermented liquid potato hash with or without exogenous enzyme. Diets containing either 200 (LFLPH) g/kg potato hash (enzyme treated or not); 400 (HFLPH) g/kg potato hash (enzyme treated or not) or no fermented potato hash (control) were formulated to provide 14 MJ/kg digestible energy (DE), 180 g/kg crude protein (CP) and 11.6 g/kg lysine. Dietary treatments were control (no FLPH), enzyme treated LFPHE and HFLPHE, and untreated LFLPH and HFLPH. The exogenous enzyme was added in treated diets to provide minimum of 560-840 TXU/TDU xylanase per kg feed, at an inclusion rate of 100 g/tonne. Diets were mixed with water at 1:2 ration and fermented for 8 hours at 25 °C room temperature before being fed to pigs. Back-slopping fermentation approach was followed to prepare diets. Twelve pigs (25±2.3 kg) per diet that were individually housed were fed ad-lib for eight weeks. Pigs were allocated to diets in complete randomized design. Average daily gain (ADG), average daily feed intake (ADFI) and feed conversion ratio (FCR) were measured. The enzyme treated FLPH diets had higher (P < 0.05) CP, lower (P > 0.05) NDF and ADF concentrations compared to untreated FLPH diets. The LFPHE diet had higher (P < 0.001) final weight, ADG and lower (P < 0.001) ADFI and FCR compared to LFPH, HLFPH and HLFPHE. It was concluded that LFPHE diet may be an alternative feed source for growing pigs as indicated by higher gain and lower intake compared to LFLPH, HFLPH and HFLPHE.

The Effect of Liquid Fermented Potato Hash Diet on Testicular Size, Weight and Epididymal Semen Quality of Large White × Landrace Boars

“…A back-slopping fermentation approach was used to prepare fermented liquid potato hash diets as described by reference [16]. Fermented liquid diets were prepared by mixing potato hash diets with water, at a ratio of 1:2.…”

“…Pigs were adapted to diets for a period of ten days. Both experimental diets and water were provided ad libitum for two months (Table 1) [16].…”

“…Fermented liquid feed is defined as a mixture of feed and water that is stored in a tank at a specific temperature and for a specific time before being fed to animals [16]. Fermented liquid by-products, fermented diets can also be achieved when dry…”

“…Processed potatoes such as hash represent a potential energy source that could replace or be included in the traditional pig diet [13]. Another disadvantage of feeding hash to growing pigs is that it contains a high-fiber diet that increases the passage rate in growing pigs [16].…”

“…Mortality and morbidities were noted. Morbidities were diagnosed and the necessary treatments were done [16].…”