Effects of nutrient intake and sexual age of the dam at mating on fetal development in swine [0.03%]
母猪的营养摄入和交配时性成熟年龄对胚胎发育的影响
K A Bryan,D R Hagen
K A Bryan
Fifty-four Duroc gilts (mean wt = 88 kg, mean age = 164 d) were fed a 15% protein diet either ad libitum (F) or at a rate of approximately 50% of ad libitum daily (1.8 kg: L) prior to mating at either second (Exp. 1) or first (Exp. 2) obser...
Origin of the avian glycogen body: I. Effects of tail bud removal in the chick embryo [0.03%]
鸟类糖原体的起源Ⅰ．鸡胚胎尾芽切除的效果
L D De Gennaro
L D De Gennaro
The tail bud was removed from chick embryos at stage 16-17 in a first study directed to learn of the origin of the glycogen body in the lumbosacral spinal cord of birds. Results of tail bud removal and chorio-allantoic grafting of caudal po...
Muscle differentiation in the bovine fetus: a histological and histochemical approach [0.03%]
牛胎儿肌细胞分化的组织学和组织化学研究方法
J Robelin,A Lacourt,D Béchet et al.
J Robelin et al.
The chronology of muscle fiber differentiation was analysed in 37 fetal calves of 69 to 266 days of age. Semitendinosus muscle weight was measured throughout the experimental period and biochemical, histological and histochemical investigat...
Effect of aging and diet restriction on monoamines and amino acids in cerebral cortex of Fischer-344 rats [0.03%]
老龄及限制喂养对Fischer-344大鼠大脑皮质单胺和氨基酸含量的影响
J M Yeung,E Friedman
J M Yeung
The effect of chronic diet restriction on amino acids and monoamines in cerebral cortex was studied in young and old male Fischer-344 rats. The effect of restricted feeding (60% of ad lib diet) was compared at 6 and 24 months of age. The re...
C L Gordon,J M Halton,S A Atkinson et al.
C L Gordon et al.
Lumbar spine bone mass was measured by dual photon absorptiometry (DPA) in 236 subjects aged between 3 and 30 years. Expected values of bone mineral density (BMD) and bone mass (BMC) for the lumbar vertebrae L2 to L4 were derived as a funct...
Comparative Study
Growth, development, and aging : GDA. 1991 Winter;55(4):257-62. DOI: 1991
Heterogeneity of growth of bone in children at the spine, radius and total skeleton [0.03%]
儿童脊柱、桡骨和全身骨骼生长的异质性
P Geusens,F Cantatore,J Nijs et al.
P Geusens et al.
Bone mineral content (BMC), density (BMD), and size were measured in 202 subjects ranging from 3 to 25 years of age (106 males and 96 females), half of which were children and half young adults. BMC and BMD were measured using single photon...
Growth characteristics of metallothionein-human growth hormone transgenic mice as compared to mice selected for high eight-week body weight and unselected controls. II. Skeleton [0.03%]
金属硫蛋白-人生长激素转基因小鼠、八周龄高体重选择系及其非选择对照品系小鼠骨骼生长特点的比较研究（Ⅱ）：骨骼生长特点的比较研究
E Wolf,K Rapp,R Wanke et al.
E Wolf et al.
Growth hormone and mechanical loading are known to be important factors influencing bone growth. We have measured proportions of the skull and the postcranial skeleton of metallothionein-human growth hormone (MT-hGH) transgenic mice express...
Comparative Study
Growth, development, and aging : GDA. 1991 Winter;55(4):237-48. DOI: 1991
Growth characteristics of metallothionein-human growth hormone transgenic mice as compared to mice selected for high eight-week body weight and unselected controls. I. Body weight gain and external body dimensions [0.03%]
金属硫蛋白-人生长激素转基因小鼠、八周龄高体重选择系及其对照品系小鼠生长特性的比较研究Ⅰ. 体增重及体尺指标
E Wolf,R Wanke,W Hermanns et al.
E Wolf et al.
Body weight gain and external body dimensions of MT-hGH transgenic mice were compared with mice (NMRI) selected for high 8-week body weight (N8) and unselected controls derived from the NMRI strain (Pop). The growth curves from day 30 to 12...
Comparative Study
Growth, development, and aging : GDA. 1991 Winter;55(4):225-35. DOI: 1991
Changes in organ growth pattern associated with long-term selection for high growth rate in quail [0.03%]
长期选育高生长率引起生长模式变化的研究——以鹌鹑为例
C Lilja,H L Marks
C Lilja
Data are presented on the pattern of organ growth in embryos from a line of Japanese quail selected for high growth rate and compared with those from a non-selected control line. The data reveal that the increased growth rate post hatching ...
W J Koops,M Grossman
W J Koops
Multiphasic growth assumes increase in body weight, or in other body measures, to be a result of more than one growth phase. Therefore, the concept of allometry can be extended from relation between body measures to relation between phases ...