Download full-text PDF |
Source |
|---|
Publication Analysis
Top Keywords
Similar Publications
Genome-wide association studies and functional annotation of pre-weaning calf mortality and reproductive traits in Nellore cattle from experimental selection lines.
BMC Genomics
December 2024
São Paulo State University, School of Agriculture and Veterinary Science, Jaboticabal, SP, 14884-900, Brazil.
Background: Reproductive efficiency is crucial for the long-term economic sustainability of beef cattle production. Pregnancy loss and stillbirth are complex reproductive traits that do not yet have their genomic background fully understood, especially in zebu breeds (Bos taurus indicus). Hence, this study aimed to perform a genome-wide association study (GWAS) and functional annotation for conception success (CS), pregnancy loss (PL), stillbirth (SB), and pre-weaning calf mortality (PWM) in Nellore cattle.
View Article and Find Full Text PDF[Association between perinatal mortality and the management of cows before and at calving in large dairy herds].
Tierarztl Prax Ausg G Grosstiere Nutztiere
October 2024
Thüringer Tierseuchenkasse, AdöR, Tiergesundheitsdienst, Jena.
Objective: Stillbirths account for a relevant proportion of total calf mortality on dairy farms. In addition, the stillbirth rate is an important criterion for assessing animal welfare. The aim of this study was to determine the relationship between the stillbirth rate and aspects concerning the management of cows ante partum and during the calving period in larger dairy herds.
View Article and Find Full Text PDFPrevalence of Autosomal Monosomy and Trisomy Estimated Using Single Nucleotide Polymorphism Genotype Intensity Chip Information in a Large Population of Juvenile Dairy and Beef Cattle.
J Anim Breed Genet
October 2024
Department of Animal Bioscience, Teagasc, Moorepark, Co. Cork, Ireland.
Aneuploidy, a genetic condition characterised by the deletion (monosomy) or duplication (trisomy) of a chromosome, has been extensively studied in humans, particularly in the context of trisomy on chromosome 21, also known as Down syndrome. Research on autosomal aneuploidy in live-born cattle has been limited to case reports, resulting in a lack of prevalence estimates of aneuploidy in cattle. Furthermore, the viability or lethality of aneuploidy on specific autosomes in cattle has not been well documented.
View Article and Find Full Text PDFRisk factors and population attributable fractions for displaced abomasum in Iranian dairy cattle: a retrospective analysis of field data.
Trop Anim Health Prod
September 2024
Department of Animal Sciences, College of Agriculture, Isfahan University of Technology, Isfahan, Iran.
Displaced abomasum (DA) usually occurs in the early postpartum period and can negatively affect production and welfare of dairy cows. The objective of this research was to identify predictors for the occurrence of DA in Iranian Holsteins. Therefore, we analyzed data collected from six commercial dairy farms in Iran (calving between January 2011 and October 2020).
View Article and Find Full Text PDFGenetic and genomic analysis of reproduction traits in holstein cattle using SNP chip data and imputed sequence level genotypes.
BMC Genomics
September 2024
Department of Animal Sciences, Georg-August-University, 37077, Göttingen, Germany.
Article Synopsis
- Reproductive performance is crucial for animal welfare and profitability in dairy cattle, and there's a recognized negative correlation between reproductive success and overall performance.
- The study analyzed 14 calving and fertility traits to understand genetic influences, finding varying heritability and identifying over 2700 significant SNPs linked to 13 reproduction traits.
- Results aligned with previous research, revealing new candidate genes—especially on the X chromosome—that could enhance breeding programs and further our understanding of dairy cattle reproduction.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!