Embryos, juveniles, and even adults of many bird species lack pronounced external sexually
dimorphic characteristics. Accurate identification of sex is crucial for research (eg …

Capsule The Skylark Alauda arvensis had the highest overall mortality in ten Northern
Portuguese wind farms surveyed between 2006 and 2011. Analysis from the integration of …

Chicken meat and eggs are important sources of food for the world population. The
significant increase in food demand has pushed the food industry toward a rapid non …

Identification of sex in broiler chickens allows researchers to reduce the level of variation in
an experiment caused by the sex effect. Broiler breeds commonly used in research are no …

Simple Summary Most bird species have no distinct sexual dimorphic traits. Molecular
genetic sexing is considered one of the most accurate methods for sex determination in …

Sex identification in avian species is essential for biodiversity conservation and ecological
studies. However, the sex of nearly half of the birds could not be identified based on their …

The day-old male chick culling remains a welfare issue in the poultry industry. Several
governments have prohibited this practice, pushing hatcheries to seek alternatives. Although …

The ability to sex individuals is an important component of many behavioural and ecological
investigations and provides information for demographic models used in conservation and …

PCR is a universal tool for the multiplication of specific DNA sequences. For example, PCR‐
based sex determination is widely used, and a diversity of primer sets is available. However …

The red‐whiskered bulbul (Pycnonotus jocosu s) is a popular avian species in Thailand and
many other countries. The red‐whiskered bulbul has a high economic value, but breeding is …