Relative utility of food rewards as a function of cyclic deprivation or body weight loss in albino rats.

1971 ◽  
Vol 90 (1) ◽  
pp. 102-112 ◽  
Author(s):  
K. Edward Renner ◽  
Richard W. Cravens ◽  
O. W. Wooley
2021 ◽  
Author(s):  
Bushra S. Alsahafi ◽  
◽  
Sawsan H. Mahassni ◽  

Leptadenia pyrotechnica (Forssk.) Decne. (LP) is used in folk medicine for the treatment of different ailments. No published studies on the affects of ground and aqueous LP extract in laboratory animals exist. Thus, this study is the first to investigate the difference between using ground or aqueous extract of LP on body weight parameters and consumptions of feed and water in young adult Wistar albino rats. Four groups (one rat of either sex for each group) were administered 25%, 50% and 75% ground LP mixed with the regular feed for 7 days, while the control rats were given the regular diet. Five groups (two rats of either sex for each group) were orally gavaged with 3, 9, 15 and 20 g LP extract/kg body weight, while the control group was gavaged with water, daily for 14 days. Findings were compared with the control groups. The mean body weight loss and feed inefficiency ratio s for the ground LP groups were higher, leading to lower feed and water intakes. Rats that consumed 15 and 20 g LP extract/kg had higher mean body weight loss and feed inefficiency ratio and lower water and feed intakes for the first but not for the second week. Therefore, both forms of LP affect weights and consumptions of water and feed during the first week. Thus, while using LP for any medicinal or therapeutic uses in humans, any affects on weight or feed and water consumptions may last only for a week.


1977 ◽  
Vol 232 (3) ◽  
pp. R128-R136
Author(s):  
C. A. Opsahl

The role of the sympathetic nervous system in the lateral hypothalamic syndrome of body-weight loss was investigated. Bilateral electrolytic lesions of the lateral hypothalamus (LH) were performed in 90-day-old male albino rats. In experiment 1, the splanchnic nerves were resected at 35 days (right) and 70 days (left) postlesion. In experiment 2, bilateral adrenal demedullations were performed in a second group of rats with LH lesions (LH rats) at 35 days postlesion. The results indicated that lesions of the lateral hypothalamic area lowered body-weight maintenance levels to approximately 87% of nonlesion control values. Bilateral splanchnicetomy produced a significantly greater body-weight loss in nonlesion animals than in LH rats. Following adrenal demedullation, nonlesion rats also reduced body-weight levels whereas LH rats significantly increased weight-maintenance levels. In addition, the adrenal glands of LH rats with sham demedullations weighed significantly more than the adrenals of nonlesion-sham demedullated animals. These data are discussed in relation to metabolic-autonomic mechanisms that may play a role in LH lesion-induced weight loss.


Diabetes ◽  
2019 ◽  
Vol 68 (Supplement 1) ◽  
pp. 1965-P
Author(s):  
TEAYOUN KIM ◽  
JESSICA P. ANTIPENKO ◽  
SHELLY NASON ◽  
NATALIE PRESEDO ◽  
WILLIAM J. VAN DER POL ◽  
...  

2018 ◽  
Vol 44 (1) ◽  
Author(s):  
Ayako Ito ◽  
Aya Nozaki ◽  
Ichiro Horie ◽  
Takao Ando ◽  
Atsushi Kawakami

Animals ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 2195
Author(s):  
Ester Arévalo Sureda ◽  
Xuemei Zhao ◽  
Valeria Artuso-Ponte ◽  
Sophie-Charlotte Wall ◽  
Bing Li ◽  
...  

Isoquinoline alkaloids (IQ) exert beneficial antimicrobial and anti-inflammatory effects in livestock. Therefore, we hypothesized that supplementing sows’ diets with IQ during gestation would decrease farrowing stress, affecting the piglets’ development and performance. Sows were divided into: IQ1, supplemented with IQ from gestation day 80 (G80) to weaning; IQ2, supplemented from gestation day 110 (G110) to weaning, and a non-supplemented (NC) group. Sow body weight (BW), feed intake, back-fat thickness and back-muscle thickness were monitored. Cortisol, glucose and insulin were measured in sows’ blood collected 5 d before, during, and after 7 d farrowing. Protein, fat, IgA and IgG were analyzed in the colostrum and milk. Piglets were monitored for weight and diarrhea score, and for ileum histology and gene expression 5 d post-weaning. IQ-supplemented sows lost less BW during lactation. Glucose and insulin levels were lower in the IQ groups compared to NC-sows 5 d before farrowing and had higher levels of protein and IgG in their colostrum. No other differences were observed in sows, nor in the measured parameters in piglets. In conclusion, IQ supplementation affected sows’ metabolism, reducing body weight loss during lactation. Providing IQ to sows from their entrance into the maternity barn might be sufficient to induce these effects. IQ improved colostrum quality, increasing the protein and IgG content, improving passive immunity for piglets.


Author(s):  
Alessio Molfino ◽  
Emanuele Possente ◽  
Giovanni Imbimbo ◽  
Antonella Giorgi ◽  
Maurizio Muscaritoli

2021 ◽  
Vol 15 (1) ◽  
pp. 42-48
Author(s):  
Kate L. Lee ◽  
Marta P. Silvestre ◽  
Nour H. AlSaud ◽  
Mikael Fogelholm ◽  
Anne Raben ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document