Abstract
The objective of this study was to evaluate Solpro500 (a wheat hydrolysate containing a high level of glutamine) as a replacement for spray dried porcine plasma (SDPP) in diets fed to nursery pigs. One hundred and eight pigs (Dalland, 5.39±0.80 kg BW) weaned at 21 days were assigned to one of three treatment groups for a 28 day feeding trial. The experimental diets were based on corn and soybean meal and were supplemented with either 8% SDPP, 4% SDPP plus 4% Solpro500 or 8% Solpro500. Each treatment was fed to six pens with six pigs per pen (4 barrows and 2 gilts). The experimental results indicated no significant difference (p>0.05) in daily gain, feed intake or feed efficiency for pigs fed the three experimental diets. However, the diarrhea index for pigs fed either 4% SDPP and 4% Solpro500 or 8% Solpro500 was lower (p 0.05) were found in the apparent fecal digestibility of dry matter, organic matter or crude protein between pigs fed the three diets. The intestinal morphology (villous height, villous width and crypt depth) was not affected by diet treatments (p>0.05). In conclusion, Solpro500 SDPP can replace SDPP without any negative effects on nursery pig performance. (Asian-Aust. J. Anim. Sci. 2004. Vol 17, No. 2 : 237-243)
Highlights
The performance of early-weaned pigs is often decreased when they are fed corn-soybean meal diets because these diets contain many antigens and antinutritional factors such as trypsin inhibitors, globin or polyglobin which lead to hypersensitive pigs (Li et al., 1990; Kats et al, 1992)
With a 2 to 1 ratio of barrows to gilts) weaned at 21 days of age were selected for a 28 day growth trial to evaluate the effects of Spray-dried porcine plasma (SDPP) and Solpro500 in diets fed to nursery pigs
The performance of pigs fed SDPP, Solpro500 or the combination of the two protein sources was presented in Piglet diarrhea occurred mainly during the second week of the trial
Summary
The performance of early-weaned pigs is often decreased when they are fed corn-soybean meal diets because these diets contain many antigens and antinutritional factors such as trypsin inhibitors, globin or polyglobin which lead to hypersensitive pigs (Li et al., 1990; Kats et al, 1992). Finding alternative protein sources to replace or reduce the content of soybean meal is necessary for successful nursery pig nutrition (Thacker, 1999). SDPP tends to be more expensive than other protein sources and many attempts have been made to find alternative feeds that can be successfully used in starter pig diets to effectively replace SDPP (Thacker, 1999). After wheat gluten is hydrolyzed by food grade protease and pH of hydrolysate is adjusted Solpro500 is produced. It contains a similar level of protein (80%) as Received January 6, 2003; Accepted September 18, 2003
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