Breed Differences in Body Weight, Body and Testicular Measurements and Their Relationship in Red Sokoto and Sahel Goats at Weaning

One hundred and seven (107) individual records of Red Sokoto (RS) and Sahel (S) kids at weaning were used to compare body weight (BWT), body measurements (BM) and testicular measurements ™ of the two breeds. Efforts were also made to relate BWT with BM and TM in order to identify those that best predict BWT. The BM considered were body length (BLT), heart girth (HGT) and height at withers (HWT). The TM were testicular length (TL), testicular width TW) and scrotal circumference (SC). Breed differences for BWT and BM were not significant (p>0.05). Phenotypic correlations between BWT and BM/TM were significantly (

Effect of Laser Energy on the Morphology and Electrical Properties of Fe3O4 Thin Films Deposited by PLD

\ua9 2023 American Institute of Physics Inc.. All rights reserved.The prepared nanostructured Fe3O4 thin films might be applicable in different fields such as gas sensing application. Iron oxide (Fe3O4) thin films were prepared on quartz and p-Si at 200 \ub0C substrate temperature by pulsed laser deposition (PLD) with laser energy of (800 and 1000) mJ. These thin films were examined by different techniques. The X-ray diffraction showed a polycrystalline structure of cubic Fe3O4 phase. The crystallinity was enhanced the crystalline size increased when increasing the laser energy from 800 mJ to 1000 mJ. Field emission scanning electron microscopy was shown that the sample with the 800 mJ has a flat surface consisting of compact particles (276) nm, covered with cubes structures of dimensions ranging from 111 to 422 nm. The cubes disappeared, and the branching structures appeared, merging with the surface. The Hall effect indicates that increasing laser energy the carrier concentration increases, while the conductivity and Hall motion decrease. Atomic force microscopy (AFM) indicated that when the laser power increased the particle size increased, and the surface roughness decreased. The capacitance -voltage pointed that the Vbi was decreased from 0.55 to 0.45 V with increasing laser energy