Results 111 to 120 of about 22,489 (252)

Loss, persistence and reversal of phenotypic traits

Biological Reviews, EarlyView.
ABSTRACT The irreversibility of complex trait loss has long been a tenet of evolutionary biology. However, this idea is increasingly at odds with the numerous documented exceptions across the Tree of Life. We synthesise this growing body of evidence across a diverse array of taxa and traits, exploring the evolutionary conditions that enable ...
Giobbe Forni, Giuseppe Fusco, Filippo Nicolini, Heather Bruce, Andrea Luchetti   +4 more
wiley   +1 more source

The effect of breeder body mass on laying performance, egg quality, and hatching traits of Japanese quail.

Spanish Journal of Agricultural Research
Aim of study: The aim of this research was to determine the effect of breeder body mass on egg laying performance, egg quality, and hatching traits of Japanese quail (Coturnix japonica).
Busra Ozkan, Nasir Abdallah, Yunus E. Boga, Kadriye Kursun, Mikail Baylan   +4 more
doaj   +1 more source

Flight of the dragons: a global review of migration in Odonata

Biological Reviews, EarlyView.
ABSTRACT Insects are the most abundant and ecologically important animal migrants. Yet, we know relatively little about the patterns and processes underlying insect migration. Dragonflies (Anisoptera) and damselflies (Zygoptera) comprise the ancient insect order Odonata, whose ancestors were the first organisms to fly on Earth.
Johanna S.U. Hedlund, Myles Menz, Jason W. Chapman, Alexander Hayward   +3 more
wiley   +1 more source

Humans are not unique: difficult birth is common in placental mammals

Biological Reviews, EarlyView.
ABSTRACT Human childbirth is widely presumed to be uniquely difficult and dangerous compared to birth in other mammals. Tight fetopelvic proportions can result in obstructed labour and contribute to high rates of maternal and neonatal mortality. Ideas summarised under the ‘obstetrical dilemma’ have contributed to this assumption by explaining difficult
Nicole D. S. Grunstra
wiley   +1 more source

The costs of extra‐pair behaviours in birds

Biological Reviews, EarlyView.
ABSTRACT Extra‐pair behaviours – reproductive behaviours, including those related to copulation and paternity of offspring, amongst animals outside of a social pair bond – have long intrigued behavioural ecologists, particularly from the female animal's perspective.
Jørgen S. Søraker, Jamie Dunning
wiley   +1 more source

Polymorphism of Chicken chr3:100005430 T > G Locus and Its Association with Egg Production Traits

Guangdong nongye kexue
【Objective】The chicken chr3:100005430 T > G locus had been proposed as a potential lethal mutation. This study aimed to investigate its population genetic structure across diverse local chicken breeds and to evaluate its effects on egg production and ...
Xunhe HUANG, Jiezhen LIN, Lanlan LI, Lu LI, Bingwang DU   +4 more
doaj   +1 more source

Trade‐offs in avian parental care: a review of theory and meta‐analysis of brood size manipulations

Biological Reviews, EarlyView.
ABSTRACT The selective forces shaping parental care have been studied for over 50 years. While theoretical and experimental work has yielded qualitative progress, the large body of empirical work testing predictions about parental investment based on life‐history trade‐offs has yet to be synthesized.
Rebekah A. McKinnon, Malgorzata Lagisz, Sheeraja Sridharan, David F. Westneat, Kimberley J. Mathot   +4 more
wiley   +1 more source

Impact of Dried Thyme Leaf Meal on Production Performance, Egg Quality and Blood Parameters of Laying Hens

Veterinary Medicine and Science
Background The use of commercially extracted phytogenic compounds to maintain poultry health and productivity in the absence of in‐feed antibiotics is prohibitively costly in developing countries.
Abdulwahid Yasin, Metekia Tamiru, Ashraf Alkhtib, Abdo Mohammed, Tagesse Tadesse, Jane Wamatu, Emily Burton   +6 more
doaj   +1 more source

Dynamics of biotic resistance to plant invasions

Biological Reviews, EarlyView.
ABSTRACT Biotic resistance, the reduction in invasion success caused by native communities, plays an important role in the long‐term dynamics of biological invasions. A large body of empirical research on biotic resistance has accumulated since the last comprehensive review on the subject 20 years ago, enabling us to achieve a refined understanding of ...
Christine S. Sheppard, Joshua I. Brian, Wayne Dawson, Petr Dostál, Franz Essl, Michal Gruntman, Tina Heger, Mark van Kleunen, Mialy Razanajatovo, Lena C. Reimann, Frank M. Schurr, Montserrat Vilà, Florencia A. Yannelli, Marina Golivets   +13 more
wiley   +1 more source

Partners or passengers? Revisiting the association between diatoms and aquatic animals

Biological Reviews, EarlyView.
ABSTRACT Numerous studies have revealed the importance of research on the communities capable of colonizing animal surfaces (epibionts) and the animals on which they live (basibionts). Very few studies have considered epizoic diatoms, and there are gaps and biases in our knowledge, including the choice of basibionts, the methods used, and the habitats ...
Gianluca Vacca, Elisa Falasco, Francesca Bona   +2 more
wiley   +1 more source