The phrase "a significant decrease in body weight" is correct and usable in written English.
It can be used in contexts related to health, fitness, or medical discussions where changes in body weight are being described or analyzed.
Example: "After following the new diet plan for three months, the participants experienced a significant decrease in body weight."
Alternatives: "a notable reduction in body weight" or "a considerable drop in body weight."
There was a significant decrease in body weight and non-significant decrease in mean testicular weight of enrofloxacin treated rats.
Prednisolone significantly attenuated the increase in proteinuria and total cholesterol and resulted in a significant decrease in body weight.
Results showed that CMZ injection caused a significant decrease in body weight gain along with significant decrease in the relative weights of the spleen and thymus.
The obtained data revealed a significant decrease in body weight gain in vitamin C-, CMZ- and CMZ plus vitamin C-treated mice as compared to PBS-treated mice.
CsA treatment produced a significant decrease in body weight gain and consequently a decrease in the kidney weight of the CsA group as compared with the control group.
A1254 at doses of 1.5 and 3 mg/kg/day resulted in a significant decrease in body weight, testes weight, epididymal and relative epididymal weight.
The high-dose mice also had a small but significant decrease in body weight.
After a slight and not statistically significant decrease in body weight in the first 10 days of administration, the BTZ-treated animals' body weight gain assumed the same trend of the control rats.
Feeding of the pigeons on low wheat diet under heat stress condition revealed significant decrease in body weight and body weight gain (Kamraa et al., 2008; Laudadio et al., 2012).
As expected, naive animals progressively gained weight over time and treatment with the glucocorticoid prednisone induced the most significant decrease in body weight.
No significant decrease in body weight was observed in the combination group as compared with the docetaxel group (Supplementary Figure 5d).
