The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.
The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.
The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.
The development of linkage maps has stimulated the search for methods to map genes involved with quantitative trait loci (QTL). A sib par method based on the relation between individuals identic by descent (IBD) has been used to map QTLs. The objective of this paper was to extend the HASEMAN and ELSTON (1972) method to estimate the proportion (p) of genes IBD in half-sib families. The obtained results suggested that the used procedures were efficient to estimate p even when parents genotypes were partial or totally unknown.
Algorithm to calculate proportion of genes identity by descent, to map QTL in half-sibs families
Martinez,Mario Luiz and Vukasinovic,Natascha. Algorithm to calculate proportion of genes identity by descent, to map QTL in half-sibs families. R. Bras. Zootec. [online]. 2000, vol.29, 2, [cited 2026-04-24], pp.443-451. Available from: <https://rbz.org.br/article/algorithm-to-calculate-proportion-of-genes-identity-by-descent-to-map-qtl-in-half-sibs-families/>. ISSN 1516-3598. https://doi.org/10.1590/S1516-35982000000200018.
Martinez,Mario Luiz; Vukasinovic,Natascha. Algorithm to calculate proportion of genes identity by descent, to map QTL in half-sibs families. R. Bras. Zootec., v.29, 2, p. 443-451. Apr. 2000. Available from: <https://rbz.org.br/article/algorithm-to-calculate-proportion-of-genes-identity-by-descent-to-map-qtl-in-half-sibs-families/>. acess on 24 Apr. 2026. https://doi.org/10.1590/S1516-35982000000200018.
Martinez,Mario Luiz, & Vukasinovic,Natascha. (2000). Algorithm to calculate proportion of genes identity by descent, to map QTL in half-sibs families. R. Bras. Zootec., 29(2) , 443-451. https://doi.org/10.1590/S1516-35982000000200018.
MartinezMario Luiz, VukasinovicNatascha. Algorithm to calculate proportion of genes identity by descent, to map QTL in half-sibs families. R. Bras. Zootec. [Internet]. 2000 Apr [cited 2026 Apr 24]; 29(2): 443-451. Available from: https://rbz.org.br/article/algorithm-to-calculate-proportion-of-genes-identity-by-descent-to-map-qtl-in-half-sibs-families/. https://doi.org/10.1590/S1516-35982000000200018.
Figure 6
Differential abundance for the species Faecalibacterium prausnitzii (A) and Megamonas funiformis (B).