Results 1 to 10 of about 537,641 (265)
Impact of COVID-19 effective reproductive rate on cryptocurrency [PDF]
Financial Innovation, 2022 The importance of cryptocurrency to the global economy is increasing steadily, which is evidenced by a total market capitalization of over $2.18T as of December 17, 2021, according to coinmarketcap.com (Coin, 2021). Cryptocurrencies are too confusing for
Marcel C. Minutolo +2 more
doaj +2 more sources
Lower Reproductive Rate and Lamb Survival Contribute to Lower Lamb Marking Rate in Maiden Ewes Compared to Multiparous Ewes [PDF]
Animals, 2022 Suboptimal reproductive performance of maiden (primiparous) ewes remains a source of inefficiency for the Australian sheep industry. However, the extent and causes of the poorer reproductive performance of maiden ewes on Australian sheep farms are not ...
Dayna Hutchison +5 more
doaj +2 more sources
Animals, 2021 In this paper, we tested the hypothesis that ewe lambs that are heavier and older at breeding will wean more offspring, due to increased reproductive rate and offspring survival and lower maternal mortality. To test this hypothesis, we analyzed data from
Andrew N. Thompson +5 more
doaj +1 more source
Microorganisms, 2023 Daphnia magna and freshwater snails are used as delicate bioindicators of contaminated aquatic habitats. Due to their distinctive characteristics, selenium oxide nanoparticles (SeONPs) have received interest regarding their possible implications on ...
Amina M. Ibrahim +8 more
doaj +1 more source
Effect of Non-Genetic Factors on Reproduction of Extensive versus Intensive Florida Dairy Goats
Veterinary Sciences, 2022 The main objective of this study was to evaluate the effect of the production system and other environmental/phenotype factors on age at first kidding (AFK), kidding interval (KI) and prolificacy of 19,772 Florida goats reared between 2000 and 2019 on 49
Pablo Rodríguez-Hernández +6 more
doaj +1 more source
Fishes, 2023 The Chilean round ray (Urotrygon chilensis, Günther, 1872) is commonly caught as bycatch in the Mexican Pacific, but changes in its reproductive ecology as a consequence of fishery effects have never been investigated.
Carlos J. Alvarez-Fuentes +5 more
doaj +1 more source
RELEVANCE OF THE USE OF ASSISTED REPRODUCTIVE TECHNOLOGIES IN CURRENT CONDITIONS IN UKRAINE
Клінічна та профілактична медицина, 2023 The aim. To determine the relevance and analyze the problems of using assisted reproductive technologies against the background of assessing the state of reproductive health in modern conditions in Ukraine. Materials and methods.
L.A. Lytvynova +4 more
doaj +1 more source
The effect of temperature on the reproduction of Limnodrilus hoffmeisteri (Oligochaeta: Tubificidae)
Zoologia (Curitiba), 2009 The tubificid worm Limnodrilus hoffmeisteri Claparede, 1862 is widely used as an indicator of organic pollution in aquatic environments. Nevertheless, little is known about its biology.
Haroldo L. S. Nascimento +1 more
doaj +1 more source
Veterinary Sciences, 2020 The mite Varroa destructor, the main ectoparasite of honey bees, is a threat to apiculture worldwide. Understanding the ecological interactions between Varroa and honeybees is fundamental for reducing mite impact in apiaries.
Ignazio Floris +2 more
doaj +1 more source
A Brief Theory of Epidemic Kinetics
Biology, 2020 In the context of the COVID-19 epidemic, and on the basis of the Theory of Dynamical Systems, we propose a simple theoretical approach for the expansion of contagious diseases, with a particular focus on viral respiratory tracts.
François Louchet
doaj +1 more source