GRADING OF MALHADO DE ALCOBAÇA SWINE FOR THE BREEDERS SECTION OF THE HERDBOOK
DOI:
https://doi.org/10.25746/ruiips.v7.i1.18290Abstract
The Portuguese swine breed Malhado de Alcobaça is original from the western region of Portugal, with a restricted adult breeding population of 150 females and 12 boars (in 10 breeders). Population was recognized in 2003, with implementation of the Zootechnical Register. The Genealogical Herdbook (LGMA), was created in March 2014, being actually managed by FPAS. By complying with the LGMA regulation, the morphological classification of all breeders was started. All the animals are graded for inscription in the breeder’s section of Herdbook, identified with an ear tag, with collection of biological material for analysis and parentage testing by LGM-INIAV. The LGMA has molecular information of all the existing breeding stock, making the pedigrees credible, with genetic characterization of the population. From the year 2014 to the present, 296 animals (270 F and 26 M) were classified for LGMA, with a mean age of 22.03±21.01 months. These animals were born between the years 2003-2017, with a predominance of 2014 (62.3% of the data). The origin of the animals was only from six different breeders, with a strong incidence in Selecpor, (~ 60% of individuals). The grading of morphological characteristics of the animals consists of 5 partial marks weighted in the total with different coefficients according to sex (F, M): 1) Type and development (coefficient 2M = 8.72±0.74; 1.5F = 8.53±0.71); 2) Back, loin and rump (coef 2.5M = 8.76±0.60; 2F = 8.53±0.71); 3) Blades, chest, belly and flanks (coef 2M = 8.44±0.56; 3F = 8.26±0.65); 4) Limbs, leg stances and movement (coef. 2.5M = 7.92±0.95; 2.5F = 8.01±0.86); and 5) Sexual characteristics, genitalia and nipples (coef 1M = 8.44±0.71; 1F = 8.29±0.70). By the weighted sum of the 5 partial marks we obtain the total score (PT) for each breeder that had a mean of 83.79±5.78 for M and 82.36±4.65 for F.
Keywords: autochthonous swine breed; boar; morphology; Portugal; sow
Downloads
Published
How to Cite
Issue
Section
License
Authors publishing in this journal agree to the following terms:
Authors retain copyright and grant the journal the right of first publication, with the article simultaneously licensed under the Creative Commons Attribution License that allows sharing of the work with acknowledgement of authorship and initial publication in this journal.
Authors are permitted to enter into additional contracts separately for non-exclusive distribution of the version of the article published in this journal (e.g., publish in an institutional repository or as a book chapter), with acknowledgment of authorship and initial publication in this journal.
Authors have permission and are encouraged to publish and distribute their work online (e.g., in institutional repositories or on their personal webpage) at any point before or during the editorial process, as this may generate productive changes, as well as increase the impact and citation of the published work.
