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- Title
Effects of Dietary Protein Content and Using Sugar Beet Pulp or Benzoic Acid Supplementations on the Nitrogen Excretion of Fattening Pigs and its Composition.
- Authors
Dublecz, Károly; Geicsnek-Koltay, Ilona Anna; Such, Nikoletta; Benedek, Zsuzsanna; Kovács, Ákos; Bartos, Ádám; Poór, Judit; Pál, László
- Abstract
In this trial, the effects of different nutritional treatments on the N balance parameters of fattening pigs in the 55–65 kg live weight category were evaluated. The following diets were used: control diet (C) and low-protein (LP) diet with 2% crude protein reduction, with and without 10% sugar beet pulp (S) or 0.5% benzoic acid supplementation. Six pigs per treatment with similar live weight were used, and in the context of the balance trial, the daily N intake, fecal and urinary N excretion and the pH of urine were measured. From the data N digestibility, the TAN % and N retention were calculated. Feeding LP diets reduced the fecal, urinary and total N excretion and also the pH of urine significantly compared with the control diet. Sugar beet pulp significantly increased the fecal N excretion and urinary pH, and it also reduced significantly N digestibility and the TAN ratio. Benzoic acid failed to reduce urinary pH. The measured N excretion, retention and TAN excretion values were more favorable than those that can be found in the different guidelines or those used in the Hungarian ammonia emission inventory.
- Subjects
SUGAR beets; DIETARY proteins; BENZOIC acid; NITROGEN excretion; REDUCING diets; PROTEINS in animal nutrition
- Publication
Atmosphere, 2023, Vol 14, Issue 5, p776
- ISSN
2073-4433
- Publication type
Article
- DOI
10.3390/atmos14050776