Results 11 to 20 of about 9,751,388 (256)
Is fertility declining in Benin? [PDF]
, 2001 This study analyzes reproductive changes in Benin, a West African country with high fertility and low prevalence of use of modern contraceptive methods, using a combination of quantitative and qualitative approaches.
Capo-chichi, V, Juarez, F
core +1 more source
Vaccines, 2021 Gonadotropin-releasing hormone (GnRH) regulates the reproductive endocrine system in mammals. The GnRH immunocontraception vaccine can aid animal population control and management.
Ai-Mei Chang +4 more
doaj +1 more source
Efficacy of SpayVac® as a contraceptive in feral horses
Wildlife Society Bulletin, 2017 We tested the efficacy of 2 formulations of the immunocontraceptive SpayVac®, which packages the immunogen porcine zona pellucida (PZP) and an adjuvant in multilamellar liposomes, as a contraceptive in captive feral horses (Equus caballus) for 3 ...
James E. Roelle +3 more
doaj +1 more source
The trade-off between fertility and education : evidence from before the demographic transition [PDF]
, 2009 The trade-off between child quantity and quality is a crucial ingredient of unified growth models that explain the transition from Malthusian stagnation to modern growth.
Cinnirella, Francesco +8 more
core +1 more source
An accessible scheme for monitoring free‐roaming cat population trends
Ecology and Evolution, 2020 Free‐roaming cats (FRCs) form nondomiciliary population groups that might lead to adverse environmental effects, as well as to welfare impairment of the cats themselves.
Idit Gunther +4 more
doaj +1 more source
Ecosphere, 2023 Feral horse (Equus caballus) population management is a challenging problem around the world because populations often exhibit density‐independent growth, can exert negative ecological effects on ecosystems, and require great cost to be managed. However,
Brian Folt +4 more
doaj +1 more source
Global fertility in 204 countries and territories, 1950-2021, with forecasts to 2100: a comprehensive demographic analysis for the Global Burden of Disease Study 2021 [PDF]
BackgroundAccurate assessments of current and future fertility-including overall trends and changing population age structures across countries and regions-are essential to help plan for the profound social, economic, environmental, and geopolitical ...
GBD 2021 Fertility and Forecasting Collaborators +1 more
core +3 more sources
Too Many Hogs? A Review of Methods to Mitigate Impact by Wild Boar and Feral Hogs
Human-Wildlife Interactions, 2017 Feral hogs (Sus scrofa) are among the most widely-distributed mammals in the world and have the highest reproductive output compared with other ungulates. Worldwide, feral hogs are increasing in range and numbers. Human–feral hog conflicts include impact
Giovanna Massei +2 more
doaj +1 more source
Rhodamine B as a long‐term semi‐quantitative bait marker for wild boar
Wildlife Society Bulletin, 2017 Wild boar and feral pigs (Sus scrofa) are increasing worldwide and baiting campaigns to deliver vaccines and toxicants are often undertaken to control their populations or the diseases they transmit.
Carolina Baruzzi +4 more
doaj +1 more source
Rural Small-Scale Women Farmers and Preference for Family Size in South-East Nigeria
Comparative Population Studies, 2021 Among other things, fertility control in Nigeria may not be feasible without recourse to socioeconomic issues such as micro-occupation classification and dominant family cultural traditions facing women and their relationship to fertility behaviour ...
Samuel Okafor +2 more
doaj +1 more source