Dairy Cattle
Novel polymorphisms in bovine CD4 and LAG-3 genes associated with somatic cell counts of clinical mastitis cows
Authors: Tahir Usman, Yachun Wang, Minyan Song1, Xiao Wang, Yichun Dong, Chao Liu, Shuxiang Wang, Yi Zhang, Wei Xiao, Ying Yu
Clinical mastitis cows normally produce clotted milk, thus the much higher somatic cells in milk are unable to be counted by routine FOSS machine. The proteins coded by CD4 and LAG-3 genes can bind to MHC class II molecules and play important roles in in-flammatory diseases. The present study was designed to investigate the ef.. Read More»
- Genet. Mol. Res. 17(1):
- gmr16039859
- DOI:
- 10.4238/gmr16039859
A SNP in the 3'-UTR of HSF1 in dairy cattle affects binding of target bta-miR-484
Authors: Q.L. Li, Z.F. Zhang, P. Xia, Y.J. Wang, Z.Y. Wu, Y.H. Jia, S.M. Chang and M.X. Chu
The heat shock transcription factor 1 gene (HSF1) plays a key role in the heat stress response. We previously found a single nucleotide polymorphism (SNP) in the 3'-untranslated region (g.4693G>T) of HSF1 that was related to thermo tolerance in Chinese Holstein cattle through association analysis. However, it is not known w.. Read More»
- Genet. Mol. Res. 14(4):
- 2015.October.19.18
- DOI:
- 10.4238/2015.October.19.18
Genetic parameters for milk production traits and breeding goals for Gir dairy cattle in Brazil
Authors: M.A. Prata, L.E. Faro, H.L. Moreira, R.S. Verneque, A.E. Vercesi Filho, M.G.C.D. Peixoto and V.L. Cardoso
To implement an animal breeding program, it is important to define the production circumstances of the animals of interest to determine which traits of economic interest will be selected for the breeding goal. The present study defined breeding goals and proposed selection indices for milk production and quality traits of Gir .. Read More»
- Genet. Mol. Res. 14(4):
- 2015.October.19.2
- DOI:
- 10.4238/2015.October.19.2
Red Sindhi cattle in Brazil: population structure and distribution
Authors: J.C.C. Panetto, M.V.G.B. Silva, R.M.H. Leite, M.A. Machado,F.A.T. Bruneli, D.R.L. Reis, M.G.C.D. Peixoto, R.S. Verneque
The Red Sindhi cattle breed was imported to Brazil in small numbers. Nowadays, the herds of this breed are distributed in the Northeast, Southeast and Midwest regions of the country. In this study, DNA samples of animals originating from 15 herds in the Northeast and Southeast regions have been analyzed to obtain the ancestry .. Read More»
- Genet. Mol. Res. 16(1):
- gmr16019501
- DOI:
- 10.4238/gmr16019501
Increased expression of a novel splice variant of the complement component 4 (C4A) gene in mastitis-infected dairy cattle
Authors: Y. Yang J.M. Huang Z.H. Ju Q.L. Li L. Zhou R.L. Li J.B. Li F.X. Shi J.F. Zhong C.F. Wang
The complement system helps in the direct lysis of invading pathogens and modulates phagocytic, humoral and cellular immune responses. Complement 4 is a critical component in complement activity and protection against many bacterial pathogens because it is essential to classical and lectin activation pathways. We used reverse transcription and PCR to investi.. Read More»
- Genet. Mol. Res. 11(3):
- 2012.May.18.12
- DOI:
- 10.4238/2012.May.18.12
Milk yield persistency in Brazilian Gyr cattle based on a random regression model
Authors: R.J. Pereira, R.S. Verneque, P.S. Lopes, M.L. Santana Jr., M.R. Lagrotta, R.A. Torres, A.E. Vercesi Filho, M.A. Machado
With the objective of evaluating measures of milk yield persistency, 27,000 test-day milk yield records from 3362 first lactations of Brazilian Gyr cows that calved between 1990 and 2007 were analyzed with a random regression model. Random, additive genetic and permanent environmental effects were modeled using Legendre polyno.. Read More»
- Genet. Mol. Res. 11(2):
- 2012.June.15.9
- DOI:
- 10.4238/2012.June.15.9
Quantitative trait loci affecting lactose and total solids on chromosome 6 in Brazilian Gir dairy cattle
Authors: A.A. Silva, A.L.S. Azevedo, K. Gasparini, R.S. Verneque, M.G.C.D. Peixoto, B.R. Panetto, S.E.F. Guimar�£es and M.A. Machado
Fourteen Brazilian Gir sire families with 657 daughters were analyzed for quantitative trait loci (QTL) on chromosome 6 affecting lactose and total solids. Cows and sires were genotyped with 27 microsatellites with a mean spacing between markers of 4.9 cM. We used a 1% chromosome-wide threshold for QTL qualification. A QTL for.. Read More»
- Genet. Mol. Res. 10(4):
- 2011.October.31.15
- DOI:
- 10.4238/2011.October.31.15
Effect of a high-concentrate diet on milk components and mammary health in Holstein dairy cows
Authors: Z.L. Xie, J. Zhang, D.M. Zhang, J.F. Li, Y.H. Lin
The poor egg-laying rate of geese hinders the development of the goose industry; therefore, the reproductive performance of geese is an important area of investigation. To evaluate the relationship between photoperiod, reproductive hormones, and reproductive activity during the egg-laying cycle in geese under natural condition.. Read More»
- Genet. Mol. Res. 16(1):
- gmr16019204
- DOI:
- 10.4238/gmr16019204
Two splice variants of the bovine lactoferrin gene identified in Staphylococcus aureus isolated from mastitis in dairy cattle
Authors: J.M. Huang, Z.Y. Wang, Z.H. Ju, C.F. Wang, Q.L. Li, T. Sun, Q.L. Hou, S.Q. Hang, M.H. Hou and J.F. Zhong
Bovine lactoferrin (bLF) is a member of the transferrin family; it plays an important role in the innate immune response. We identified novel splice variants of the bLF gene in mastitis-infected and healthy cows. Reverse transcription-polymerase chain reaction (RT-PCR) and clone sequencing analysis were used to screen the spli.. Read More»
- Genet. Mol. Res. 10(4):
- 2011.December.21.1
- DOI:
- 10.4238/2011.December.21.1
Genetic trend for milk yield in Guzerat herds participating in progeny testing and MOET nucleus schemes
Authors: M.G.C.D. Peixoto, R.S. Verneque, R.L. Teodoro, V.M. Penna and M.L.Martinez
Genetic trends for 305-day milk yield (P305) in Brazilian Guzerat herds under selection were compared. Data from 4898 lactations of 3179 purebred and crossbred cows from various regions of Brazil were used. Milk yield was adjusted for mature age and the contemporary groups were defined as herd and calving year. Genetic paramet.. Read More»
- Genet. Mol. Res. 5(3):