Results 1 to 10 of about 138,351 (312)

The productive performance of intercropping

open access: yesProceedings of the National Academy of Sciences, 2023
Crop diversification has been put forward as a way to reduce the environmental impact of agriculture without penalizing its productivity. In this context, intercropping, the planned combination of two or more crop species in one field, is a promising practice.
Li, Chunjie   +6 more
openaire   +4 more sources

The Effect of Dietary Concentrations of Digestible Lysine and Sulphur Amino Acids on The Productive Performance and Egg Quality Traits in Aged Laying Hens [PDF]

open access: yesVeterinary Medicine and Science
Background Most laying hen diets are based on corn–soybean meal, in which methionine and lysine are limiting amino acids. Objectives This study aimed to investigate on the effects of digestible lysine (dLys) and total sulphur amino acids (dTSAA) levels ...
Ahmad Hassanabadi   +2 more
doaj   +2 more sources

Navigating Performance, Portability, and Productivity [PDF]

open access: yesComputing in Science & Engineering, 2021
The phrase “performance portability” is commonly used, but may mean different things to different people. Developing a better appreciation of the needs of different software developers and a framework for talking about these needs improves our ability to define goals, design experiments, and make forward progress.
S. John Pennycook   +4 more
openaire   +2 more sources

Productive performance of Mexican Creole chickens from hatching to 12 weeks of age fed diets with different concentrations of metabolizable energy and crude protein [PDF]

open access: yesAnimal Bioscience, 2021
Objective The study aimed to evaluate the productive performance, carcass yield, size of digestive organs and nutrient utilization in Mexican Creole chickens, using four diets with different concentrations of metabolizable energy (ME, kcal/kg) and crude ...
Miguel Ángel Matus-Aragón   +7 more
doaj   +1 more source

EFFECT OF PROPYLENE GLYCOL ON BLOOD METABOLITES, RUMINAL AND PRODUCTIVE PARAMETERS OF GROWING-FINISHING LAMBS

open access: yesTropical and Subtropical Agroecosystems, 2022
Background. Propylene glycol has been used successfully since the 1950’s for him acute and prophylactic treatment of ketosis in dairy cows however; its use has been poorly evaluated in beef cattle and meat sheep. Objective.
Araceli López Vargas   +6 more
doaj   +1 more source

Evaluating productive performance, meat quality and oxidation products of Italian White breed rabbits under free-range and cage rearing system [PDF]

open access: yesAnimal Bioscience, 2022
Objective Free-range systems have been increasingly available to the consumer due to increased demand for more sustainable meat-products. In the current study, the effect of free-range (FR) and cage system (CS) was explored on growth performance, meat ...
Vincenzo Tufarelli   +5 more
doaj   +1 more source

Productivity and Financial Performance [PDF]

open access: yes, 2018
Abstract This chapter explores the relationship between productivity and financial performance, primarily at the level of an individual business. It begins by decomposing profit change into price and quantity drivers, under alternative accounting treatments of operating surplus.
Grifell-Tatje, Emili, Lovell, C. A. Knox
openaire   +2 more sources

EFFECT OF REPLACMENT CRUDE AND GERMINATED SORGHUM INSTEAD OF YELLOW CORN IN THE PRODUCTIVE PERFORMANCE AND SOME BIOCHEMICAL PARAMETERS OF BROILER [PDF]

open access: yesMesopotamia Journal of Agriculture, 2018
This study was conducted at Poultry Farm-Department of Animal Resources- Collage of Agriculture and Forestry University of Mosul. to identify the effect of replacement of different levels of sorghum instead of yellow corn in broiler diet and the effect ...
Duried Younis, Nawaf Kazi Abood
doaj   +1 more source

Methionine plus Cystine Levels for Light Laying Hens on Growth Phase

open access: yesRevista Principia, 2021
The aim of this study was to evaluate the methionine plus cystine levels in the diets of laying hens during the rearing period (13-18 weeks old). The diets included a control diet formulated according to NRC and five other diets with different levels of ...
Marcelo Helder Medeiros Santana   +5 more
doaj   +1 more source

Effect of strain and sex on productive performance and carcass traits in some broiler chickens [PDF]

open access: yesArchives of Agriculture Sciences Journal, 2022
This study was aimed to investigate the effect of strain and sex on productive performance and carcass traits of commercial hybrids Ross 308 and Cobb at 35 days age.
E. Gafar, S. Abdo, M. Mahrous, M. Kamal
doaj   +1 more source

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