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Zulu, Victor Chisha,Nakao, Toshihiko,Moriyoshi, Masaharu,Nakada, Ken,Sawamukai, Yutaka,Tanaka, Yoshinobu,Zhang, Wen-Chang Asian Australasian Association of Animal Productio 2001 Animal Bioscience Vol.14 No.6
This study aimed at relating body condition score (BCS) to ultrasound measurements of subcutaneous fat over the areas most commonly used to BCS Holstein-Friesian cows, and determining the practicality of ultrasound measurement of subcutaneous fat for assessment of energy status of the cow. Twenty-eight cows were scored to the nearest quarter point on a scale of 1-5 (1=thin and 5=fat) using both visual and tactile techniques. On the same day, ultrasound measurements of subcutaneous fat were obtained at the lumbar transverse process, thurl and near the tailhead areas on both sides of the cow making six locations. Spearman's rank correlation coefficients between the six ultrasound locations ranged from 0.72-0.93 and were all significantly different from zero (p<0.01). Correlation coefficients between BCS and the mean lumbar, thurl and tailhead ultrasound measurements ranged between 0.67-0.72 and were also significantly different from zero (p<0.01). BCS was highly and significantly correlated to ultrasound measurements of subcutaneous fat. Ultrasound can be used independently or in conjunction with BCS to estimate the nutrition and energy status of cows.
Zulu Sinethemba Sibusisiwe,Ngidi Mjabuliseni,Ojo Temitope,Hlatshwayo Simphiwe Innocentia 한국식품연구원 2022 Journal of Ethnic Foods Vol.9 No.-
Indigenous leafy vegetables (ILVs) do not only play a significant role in ensuring livelihoods for households in South Africa but can also contribute in enhancing the consumption of diversified foods for improved micronutrient intake. However, these plants are underutilized and their consumption is determined by ILVs' regional cuisines accepted in certain ethnic groups. This study was set out to assess the acceptance of indigenous leafy vegetables by consumers in Limpopo and Mpumalanga provinces. The study used secondary data that were collected by the South African Vulnerability Assessment Committee in 2016. A total of 1520 respondents were selected from the two provinces using a multistage stratified sampling method. The results of the descriptive statistics showed that blackjack was the least consumed leafy vegetable as compared to amaranth and cleome, which were, respectively, most consumed. Seemingly unrelated regression (SUR) model was employed to analyse the determinants of consumers’ acceptance of ILVs. The results of SUR showed that gender of the household head, marital status, HIV status, wages/salary, and grants were statistically significant in influencing the acceptance of ILVs by consumers. Education and marital status had a negative influence on the acceptance of all leafy vegetables being investigated in this study. Policy makers need to consider the inclusion of ILVs into the school curriculum and national food and nutrition security policy.
Wubin Shan,Zulu Deng,Hao Zhong,Hu Mo,Ziqiang Han,Zhi Yang,Chengyu Xiang,Shuzhou Li,Peng Liu 국제구조공학회 2020 Structural Engineering and Mechanics, An Int'l Jou Vol.76 No.4
On the basis of nonlocal strain gradient theory, considering the material properties of porous FGM changing with thickness and the influence of moment of inertia, the wave equation of FG nano circular plate is derived by using the first-order shear deformation plate theory, by introducing dimensionless parameters, we transform the equations into dimensionless wave equations, and the dispersion relations of bending wave, shear wave and longitudinal wave are obtained by Laplace and Hankel integral transformation method. The influence of nonlocal parameter, porosity volume fraction, strain gradient parameters and power law index on the propagation characteristics of bending wave, shear wave and longitudinal wave in FG nano circular plate.