
Authors: D.C. Cucco J.B.S. Ferraz L.F.B. Pinto J.P. Eler J.C.C. Balieiro E.C. Mattos
The objective of this study was to estimate genetic parameters for pre-weaning traits of Braunvieh cattle raised under tropical conditions in Brazil. The weight and weight gain parameters were birth weight (BW, N = 9955), weight at 120 days of age (W120, N = 5901), weaning weight at 205 days (WW, N = 6970), weight gain from bi.. Read More»
Authors: S. Jafari and A. Hashemi
Estimation of genetic parameters is the most important component of an organized selection program. With respect to economic traits, such as wool and mutton traits, production costs can be reduced through a suitable selection program focused on genetic improvement. This study aimed to evaluate genetic parameters of fleece and .. Read More»
Authors: Q.P. Ma, C. Li, J. Wang, Y. Wang and Z.T. Ding
In this study, the codon bias of the FAD7 genes among 10 different plant species was analyzed to identify general patterns of codon usage in the FAD7 genes. Our results showed that U-ended or A-ended codons were preferentially used in FAD7 for dicots, whereas G-ended or C-ended codons were preferentially used in FAD7 for monocots. An ENC-plot showed that .. Read More»
Authors: W.H.O. Vega, C.R. Quirino, R.V. Serapi�£o, C.S. Oliveira and A. Pacheco
The growth of the Gyr breed in Brazil in terms of genetic gain for milk, along with conditions for market, has led to the use of ovum pick-up in vitro production (OPU-IVP) as a leader in biotechnology for the multiplication of genetic material. The aim of this study was to investigate phenotypic correlations between OPU-IVP-linked characteristics and preg.. Read More»
Authors: E. You, Y. Wang, Z.T. Ding, X.F. Zhang, L.L. Pan and C. Zheng
The spermidine synthase (SPDS) gene exists widely in all types of plants. In this paper, the codon usage of the SPDS gene from Camellia sinensis (CsSPDS) was analyzed. The results showed that the codon usage of the CsSPDS gene is biased towards the T-ended or A-ended codons, which is similar to that observed in 73 genes selected from the C. sinensis genom.. Read More»
Authors: L.F. Brito, F.G. Silva, A.L.P. Melo, G.C. Caetano, R.A. Torres, M.T. Rodrigues and G.R.O. Menezes
Data from 1279 lactations of 783 Alpine and Saanen goats of the herd of our university in Minas Gerais, Brazil, were used to study environmental effects on and to estimate genetic parameters for milk production until 270 days of lactation (MP270) and for production and percentages of fat (PFAT and %FAT), protein (PPROT and %PR.. Read More»
Authors: J.P. Eler, J.B.S. Ferraz, J.C.C. Balieiro, E.C. Mattos and G.B. Mour�£o
Data of pregnancy diagnosis from 24,945 Nellore heifers, raised under tropical conditions in Brazil and exposed to breeding at about 14 months of age, were analyzed simultaneously with 13,742 (analysis 1), 36,091 (analysis 2), 8,405 (analysis 3), and 8,405 (analysis 4) scrotal circumference (SC) records of contemporary young b.. Read More»
Authors: W. Jiang, H.Y. Ma, C.Y. Ma, S.J. Li, Y.X. Liu, Z.G. Qiao and L.B. Ma
The mud crab (Scylla paramamosain) is considered a potentially important marine crab species for selective breeding. Here, we first examined sex ratio and differences in 16 growth traits between females and males in a G1 population of S. paramamosain, and we then analyzed the correlation between these growth .. Read More»
Authors: Horimoto ARVR, Ferraz JBS, Balieiro JCC and Eler JP
The present study was carried out to estimate both (co)variance components and genetic parameters for frame scores obtained using two methods (FRAME_GMA and FRAME_BIF) as well as phenotypic and genetic correlations with traits such as weaning weight, weight gain from weaning to yearling, scrotal circumference, muscle score, an.. Read More»
Authors: G.M.R. Lombardi, J.A.R. Nunes, R.A.C. Parrella, D.H.L. Teixeira1, A.T. Bruzi, N.N.L. Dur�£es and T.G. Fagundes
Sweet sorghum has considerable potential for ethanol production due to its succulent stalks that contain directly fermentable sugars. Since many traits need to be considered in the selection process to breed superior cultivars for ethanol production, then correlations between the traits might be of use to help the breeder define optimal improvement strate.. Read More»