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Title: Modelling Nutritional Requirements of Growing Pigs from Local Breeds Using InraPorc
Authors: Brossard, Ludovic
Nieto, Rosa
Charneca, Rui
Araújo, José Pedro
Pugliese, Carolina
Radović, Čedomir
Čandek-Potokar, Marjeta
Keywords: local breeds
growing pigs
Issue Date: 16-Apr-2019
Publisher: MDPI
Citation: Brossard, L.; Nieto, R.; Charneca, R.; Araujo, J.P.; Pugliese, C.; Radović, Č.; Čandek-Potokar, M. Modelling Nutritional Requirements of Growing Pigs from Local Breeds Using InraPorc. Animals 2019, 9, 169.
Abstract: Models such as InraPorc enable the growth of pigs to be simulated and their nutrient requirements to be determined. However, so far, these models have not been applied to local breeds. We used InraPorc to determine the nutrient requirements of growing pigs from local breeds (H2020 European Union project TREASURE). Data on feed composition, allowance and intake, and body weight (BW) were obtained from literature reports or experiments conducted within the project. Data were used in InraPorc to calibrate 16 growth and intake profiles from nine breeds (Alentejana, Basque, Bísara, Apulo Calabrese, Cinta Senese, Iberian, Krškopolje pig, Mangalitsa, and Moravka), with one to three profiles per breed depending on the experimental conditions or data source. On the 40–100 kg BW range, mean protein deposition (PDm) was low for all breeds (below 116 g/d vs. over 130 g/d in conventional breeds). The age of pigs at 40 kg BW (110 to 206 days) denoted different types of feeding management in addition to genetic differences. The PDm and the lysine requirements were the highest in breeds with the highest average daily gain. In all breeds, a small proportion of total body energy retention was dedicated to protein, with the greatest proportion of energy retention in the form of lipids. Despite some methodological limitations, this study provides initial insights into the nutrient requirements of some local breeds.
Type: article
Appears in Collections:MVT - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica
ICAAM - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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