Optofluidic Lens Refractometer [PDF]
In the face of increasingly severe global environmental challenges, the development of low-cost, high-precision, and easily integrable environmental monitoring sensors is of paramount importance.
Yifan Zhang +7 more
doaj +2 more sources
Effect of Blood Sampling Time After Colostrum Intake on the Concentration of Metabolites Indicative of the Passive Immunity Transfer in Newborn Dairy Calves [PDF]
Due to the synepitheliochorial placental structure, bovines show no maternal antibody flow from mother to fetus during pregnancy, resulting in an agammaglobulemic newborn [...]
Mohammad Hassan Mortazavi +6 more
doaj +2 more sources
Proposal for a New Differential High-Sensitivity Refractometer for the Simultaneous Measurement of Two Refractive Indices and Their Differences [PDF]
The refractive index of a liquid serves as a fundamental parameter reflecting its composition, thereby enabling the determination of component concentrations in various fields such as chemical research, the food industry, and environmental monitoring ...
Šimons Svirskis +2 more
doaj +2 more sources
On-farm approaches to increase whole-milk total solids: Effects on performance and health of dairy calves [PDF]
This study aimed to evaluate the performance, metabolism, and health of Holstein calves fed whole milk adjusted for 15% TS by adding a commercial solids corrector (245 g/kg CP, 48 g/kg crude fat, 90 g/kg of mineral, and 3 g/kg of ADF) using 2 practical ...
Amanda M. Cezar +7 more
doaj +2 more sources
Comparison of biuret and refractometery method for serum total protein measurements in cattle and goat [PDF]
Objectives The biuret method is frequently used to determine serum total protein. On the other hand refractometer, a quicker and less expensive option, is available to determine serum total protein.
Sileshi Mesele Mesa +1 more
doaj +2 more sources
Determining Immunoglobulin Content of Bovine Colostrum and Factors Affecting the Outcome: A Review
The immunoglobulin concentration in bovine colostrum should be measured to ensure feeding with sufficient immunoglobulins (≥50 mg immunoglobulin G mL−1).
Johanna Ahmann +2 more
doaj +1 more source
The objectives of the present study were to examine the association between the brix refractometer% and ELISA assays in the assessment of colostrum-IgG content and in studying the factors affecting this content.
N. H. Fahim, T. A. Imbabi
doaj +1 more source
Ultra-Long Range Refractive Index Fiber Sensor
The dynamic range of optical fiber refractive index sensors is mainly determined by the refractive index (RI) of the sensor surface in contact with the sample under test.
Carmen E. Domínguez-Flores +5 more
doaj +1 more source
Optofluidics Refractometers [PDF]
Refractometry is a classic analytical method in analytical chemistry and biosensing. By integrating advanced micro- and nano-optical systems with well-developed microfluidics technology, optofluidics are shown to be a powerful, smart and universal platform for refractive index sensing applications.
Cheng Li +4 more
openaire +3 more sources
Evaluation of Factors Affecting Colostrum Quality and Quantity in Holstein Dairy Cattle
The objective of this study was to conduct a large-scale investigation of colostrum composition and yield and an evaluation of factors affecting them. In this study, 1017 clinically healthy Holstein cows from 10 farms were used.
Aikaterini Soufleri +6 more
doaj +1 more source

