Environmental stress influences reproductive success in male spider mites
Ecological Entomology, EarlyView.This experiment explores how male juvenile food stress impacts reproductive traits in the haplodiploid spider mite Tetranychus urticae. Males exposed to juvenile food stress had lower reproductive success and females mated to these males also suffered reduced fitness as they were not able to produce optimal offspring sex ratios. The negative effects of
Elsa Noël +4 more
wiley +1 more source
Sperm chromatin dispersion test before sperm preparation is predictive of clinical pregnancy in cases of unexplained infertility treated with intrauterine insemination and induction with clomiphene citrate [PDF]
, 2016 Background/aims: A large proportion of men with normal sperm results as analyzed using conventional techniques have fragmented DNA in their spermatozoa.
De Croo, Ilse +4 more
core +2 more sources
Sex‐Specific Control and Incomplete Matings: Sperm Removal Behavior in a Bush Cricket Species
Ethology, EarlyView.In this study, we investigated which sex influences the duration of sperm removal behaviour (SRB) in the ornate bush cricket, Metaplastes ornatus. Female traits showed a weak effect on SRB duration, and lighter females mated more frequently. Frequent unsuccessful mating terminations shortened SRB indicating high level of sexual conflict.
Chiara Flaskamp +2 more
wiley +1 more source
Journal of Animal Breeding and Genetics, EarlyView.ABSTRACT Twin births in dairy cattle are rare but present significant challenges for animal welfare, as both the health of the cow and the calves are affected. This causes economic losses, which prompts breeders to select against twin births and identify associated risk factors.
Laura Hüneke +4 more
wiley +1 more source
Collection and freezing of equine epididymal spermatozoa [PDF]
, 2014 The epididymis and vas deferens store an important number of fertile spermatozoa called the extragonadal sperm reserves. These stored spermatozoa can be collected in an ultimate attempt to preserve viable spermatozoa of a critically ill or dying stallion.
Govaere, Jan +5 more
core +1 more source
Low-Cost QCM Sensor System for Screening Semen Samples [PDF]
, 2010 Artificial insemination is a well-established part of modern agricultural practice. A viable semen sample is judged by the total number of spermatozoa (sperm) in the sample and the motility of the sperm.
Atherton, Shaun +6 more
core +2 more sources
Presynchronization using a modified Ovsynch protocol or a single gonadotropin-releasing hormone injection 7 d before an Ovsynch-56 protocol for submission of lactating dairy cows to first timed artificial insemination [PDF]
, 2014 P.D. Carvalho +5 more
openalex +1 more source
Journal of Animal Breeding and Genetics, EarlyView.ABSTRACT In order to investigate the applicability and efficiency of genomic selection for growth and carcass traits in Nordic beef cattle, single‐step genomic BLUP (ssGBLUP) was applied in 4321 Charolais and 4532 Hereford animals with information on approximately 43,000 SNPs each.
Anahit Nazari‐Ghadikolaei +2 more
wiley +1 more source
Extended letrozole regimen versus clomiphene citrate for superovulation in patients with unexplained infertility undergoing intrauterine insemination: A randomized controlled trial [PDF]
, 2011 Usama M. Fouda, Ahmed Sayed
openalex +1 more source
Journal of Animal Breeding and Genetics, EarlyView.ABSTRACT This study estimated genetic parameters for pregnancy loss (PL) in Brahman cattle and evaluated the genetic correlation of PL with growth and reproductive traits using both the pedigree relationship matrix (A) and pedigree plus genomic relationship matrix (H). Data were collected from two herds in Bolivia, focusing on three age groups: heifers,
Daniel Cardona‐Cifuentes +7 more
wiley +1 more source