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Swine Nutrition and Feed Technology
Asian-Australasian Journal of Animal Sciences 2011;24(7): 982-992.
DOI: https://doi.org/10.5713/ajas.2011.90587    Published online June 21, 2011.
Corns with Different Nutritional Profiles on Growing and Finishing Pigs Feeding (30 to 90 kg)
Gisele Cristina de Olivei, Ivan Moreira, Ana L첬cia Pozzobon de Souza, Alice Eiko Murakami, Angela Rocio Poveda Parra, Paulo Levi de Oliveira Carvalho, Maicon Danner Borile
Abstract
Three experiments were carried out to determine the nutritional value and to verify the pig performance in growing and finishing phases (30 to 90 kg) fed on diets containing common corn (CC), high-lysine corn (HLC) and high-oil corn (HOC). In the total digestibility trial (Exp. I) 12 barrows were used. Values of digestible energy (DE) and metabolizable energy (ME) as-fed basis for CC, HLC and HOC, were: 3,396 and 3,275 kcal/kg; 3,248 and 3,139 kcal/kg; 3,445 and 3,308 kcal/kg, respectively. In order to determine the apparent and true ileal digestibility coefficients of amino acids, as well as the values of true digestible amino acids of the CC, HLC and HOC, an ileal digestibility trial was done (Exp. II) with T-cannulated barrows (??T??simple). The treatments consisted of three diets, with one of them as the sole source of protein (CC, HLC and HOC). In the performance experiment (Exp. III), 36 crossbred pigs, allotted in a completely randomized design with three treatments and 12 replications were used. Treatments consisted of three diets: 1 - CC; 2 - HLC and 3 - HOC. It was observed no difference for performance and carcass variables among the corns with different nutritional profiles. Results of the three experiments highlighted the importance of segregating corns in their real chemical and energetic composition as well as the values of true digestible amino acids for formulating diets for growing and finishing pigs.
Keywords: Bio Economic Studies; Carcass; Energetic Diets; Nutritional Values; Pig; Corn


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