Analysis of factors to predict piglet body weight at the end of the nursery phase

Journal of Animal Science
S P ParedesW J J Gerrits

Abstract

In pig (Sus Scrofa) production, within-batch variation in bw gain of piglets during the nursery period (up to 10 wk of age) can be high and is of high economic importance. Homogeneity of BW within batches of animals is important as it influences the efficiency of use of the grower and finisher facilities, and provides an extra value for the fattening farms. In the current study, factors for a light BW at the end of the nursery period of pigs were determined by analyzing datasets from 3 different swine research centers in the Netherlands and France. The entire dataset contained information on 77,868 individual piglets born between 2005 and 2010. Body weight was determined at different time points over the pre- and post-weaning phase, and sex, season of birth, litter information (litter size at day of birth and after cross-fostering, number of piglets born alive per litter, number of total born littermates, sow parity number), cross-fostered animals (yes or no), and pen group size over the post-weaning period were recorded. A risk factor analysis approach was used to analyze the datasets to determine factors that predict piglet bw at the end of the nursery period. Body weight at the end of the nursery period corrected for age was...Continue Reading

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Citations

Dec 10, 2013·BMC Veterinary Research·Mackenzie J SlifierzAbdolvahab Farzan
Apr 1, 2014·Animal : an International Journal of Animal Bioscience·S P ParedesW J J Gerrits
Dec 30, 2015·International Journal of Biometeorology·Juliana de Souza Granja BarrosKarina Sartor
Jun 18, 2020·Animals : an Open Access Journal From MDPI·Jordi Camp MontoroJulia Adriana Calderón Díaz
Jul 5, 2013·Journal of Animal Science·S L DouglasI Kyriazakis
May 3, 2016·Journal of Animal Science·I DeclerckD Maes
Oct 16, 2013·Journal of Animal Science·S P ParedesC Rehfeldt
Jul 1, 2020·Frontiers in Microbiology·Clare H GaukrogerIlias Kyriazakis
Jun 11, 2016·Journal of Animal Science·Y HeY Z Li
Jun 29, 2018·Translational Animal Science·Sergi López-VergéDavid Solà-Oriol
Feb 11, 2021·Animals : an Open Access Journal From MDPI·Anne M S HutingFrancesc Molist
Jul 22, 2021·Journal of Animal Physiology and Animal Nutrition·Jordi Camp MontoroEdgar Garcia Manzanilla

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