Results 211 to 220 of about 1,591,179 (394)

Estimating Causal Effects With Observational Data: Guidelines for Agricultural and Applied Economists

Journal of Agricultural Economics, EarlyView.
ABSTRACT Most research questions in agricultural and applied economics are causal in nature: they study how changes in one or more variables (such as policies, prices or weather) affect one or more other variables (e.g., income, crop yields or pollution).
Arne Henningsen, Guy Low, David Wuepper, Tobias Dalhaus, Hugo Storm, Dagim Belay, Stefan Hirsch   +6 more
wiley   +1 more source

Smallholder Dairy Farmers’ Access to Modern Milk Marketing Chains in India [PDF]

The smallholder dairy farmers’ access to modern milk marketing chain has been assessed in India by collecting data at the farm level in two states, viz. Bihar and Punjab.
Kumar, Anjani, Singh, Dhiraj Kumar, Staal, Steven J.   +2 more
core   +1 more source

Insights from the Presidential Addresses to the Agricultural Economics Society

Journal of Agricultural Economics, EarlyView.
ABSTRACT The Society's published presidential addresses have embraced a wide range of subject matter, reflecting a ‘road well travelled’ in agricultural economics. The areas covered include the development and use of data and statistics, lessons from history, sectoral analysis, land economics, international trade and international development.
David Blandford
wiley   +1 more source

A comprehensive integration of factors affecting vitamin B₁₂ concentration in milk of Holstein cows: Genetic variability, milk productivity, animal characteristics, and feeding management. [PDF]

JDS Commun
Duplessis M, Girard CL, Pellerin D, Fadul-Pacheco L, Cue RI.   +4 more
europepmc   +1 more source

Iflaviruses in arthropods: when small is mighty

Insect Science, EarlyView.
Many arthropod species harbor iflaviruses, which often cause covert (asymptomatic) infections, but may still affect host fitness. We review the impact of iflaviruses on arthropod fitness, immunity, behaviour as well as the iflavirus’ host range, transmission, tissue tropism and the interactions with other microorganisms within arthropods.
Annamaria Mattia, Hannah‐Isadora Huditz, Monique M. van Oers, Vera I.D. Ros   +3 more
wiley   +1 more source

Factors that influence milk productivity and quality

, 2016
João Lucas Cânovas [UNESP] Delfino
openalex   +1 more source

EVALUATION OF DAIRY PRODUCTIVITY AND REPRODUCTIVE ABILITY OF UKRAINIAN BLACK-AND-WITE AND RED-AND-WITE MILK COWS DEPENDING ON THE SELECTIONAL DIRECTION OF HOLSTEIN BREED

, 2017
V. V. Machulnyi, S. N. Pokryshcuk, A. A. Sorokin   +2 more
openalex   +2 more sources

Influence of diet, growth stimulators and means of protection on the productivity of milk thistle in the steppe zone of the Volga region

, 2023
Natalia Viktorovna Nikolaichenko, Nikolay Ivanovich Strizhkov, Sergey Nikolaevich Strizhkov, Natalya Borisovna Suminova, Закиулла Мтыуллович Азизов   +4 more
openalex   +2 more sources

Bridging the Late Antique Gap in Northwest Arabia: New Archaeological Evidence on the Occupation of Wādī al‐Qurā (al‐ʿUlā [AlUla], Saudi Arabia) Between the Third and Seventh Centuries CE

Arabian Archaeology and Epigraphy, EarlyView.
ABSTRACT In 2019, the Dadan Archaeological Project (CNRS/RCU/AFALULA) identified a Late Antique village 1 km south of ancient Dadan in the al‐ʿUlā valley (northwest Saudi Arabia). Three excavation seasons at this site (2021–2023) have uncovered a massive building constructed in the late third or early fourth cent.
Jérôme Rohmer, Abdulrahman Alsuhaibani, Charlène Bouchaud, Elora Chambraud, Vladimir Dabrowski, Hatem Djerbi, Fabien Lesguer, Hervé Monchot, Paul Picavet, Louise Purdue, Bertrand Riba, Shadi Shabo   +11 more
wiley   +1 more source

INFLUENCE OF CALVING SEASON OF COWS ON THEIR PRODUCTIVITY UNDER ORGANIC AND CONVENTIONAL MILK PRODUCTION

, 2023
Oleksandr Kochuk-Yashchenko, Д. М. Кучер, I. M. Savchuk, S. О. Leonets, I. V. Hladyshchuk, D. Yu. Marynenko   +5 more
openalex   +2 more sources