scholarly journals Induced breeding of endangered spiny eel (Mastacembelus armatus) using PG extract

2018 ◽  
Vol 29 (3) ◽  
pp. 267-275
Author(s):  
MR Ali ◽  
MFA Mollah ◽  
MRI Sarder
Keyword(s):  
Body Weight ◽  
Divided Dose ◽  
Ovulation Rate ◽  
Endangered Fish ◽  
Breeding Technique ◽  
Hormone Injection ◽  
Significant Difference ◽  
Mastacembelus Armatus ◽  
Different Doses ◽  
Hatching Rates

Mastacembelus armatus is an important freshwater spiny eel of Bangladesh. The experiment was initiated to establish an induced breeding technique of the species with two induced breeding trials. In trial I, four different doses viz. 20, 40, 60 and 80mg PGkg-1 body weight of the fish were used to standardize the PG dose to ovulate the female M. armatus, and in trial II, the best dose identified in trial I was injected to fish once (whole dose) or twice with divided dose of PG at the rate of 30% and 70% at 6h interval to observe the effect of the mode of hormonal injection. Among the four doses applied in trial I, best result was obtained from 40mg PGkg-1 body weight in respect of ovulation rate (100%) of females and fertilization (93.00±2.00%) and hatching rates (58.30±3.50%) of eggs. In trial II, the females treated once (with the whole dose) or twice with divided dose of PG equally responded and no significant difference (p>0.05) was observed between the modes of hormone injection in respect of ovulation rate of females and fertilization and hatching rates of eggs. As M. armatus is considered as endangered fish, this induced breeding technique will help to conserve the fish as well as to produce seed in commercial hatcheries. Progressive Agriculture 29 (3): 267-275, 2018

scholarly journals Acute Toxicity Assessment of the methanolic leaf extract of Annona squamosa Bark in Male Albino Rats

2021 ◽  
Vol 10 (3) ◽  
pp. 151-155
Author(s):  
Jamila Saleh ◽  
◽  
Funsho Olowoniyi ◽  
Ekpa Emmanuel ◽  
Abdulrahman Abdullateef ◽  
...  
Keyword(s):  
Body Weight ◽  
Leaf Extract ◽  
Lethal Dose ◽  
Dose Effect ◽  
Control Group ◽  
Albino Rats ◽  
Annona Squamosa ◽  
Control Groups ◽  
Significant Difference ◽  
Different Doses

Throughout the history of man, traditional and herbal method of treatment of diseases has been used without considering the dose effect. Therefore, this present study is an attempt on investigating the effect of different doses of Annona squamosa methanolic leaf extract on male wistar Rats especially the delicate organs. The work involves oral administration of different doses (10, 100, 1000, 1600, 2900, 5000 mg/kg body weight) of the extract to groups of rats according to Lorkes method. The animals were monitored for 30 days at every 24 hours interval in order to find the median lethal dose (LD50) of the extract. Internal organ-body weight ratios (OBR) of animals in the test groups were determined and compared with those of the control group. LD50 was found to be greater than 5000mg/kg body weight without any significant decrease (p>0.05) in body weight. Biochemical analysis of Aspartate amino transferase (AST), Alanine amino transferase (ALT), Albumin and globulin of animals administered with extract showed no significant difference compared to the control groups (p>0.05) but concentration of Alkaline Phosphatase (ALP) indicated obvious changes in the treated groups compared to the control groups (p<0.05). Histopathology of the kidney revealed some inflammation at 1000, 1600, and 5000 mg/kg body weight. The implications of using this extract within safe doses in traditional medicine is hereby discussed

scholarly journals PEX-168 Improves Insulin Resistance, Inflammatory Response and Adipokines in Simple Obese Mice: A Mechanistic Exploration

2021 ◽  
Author(s):  
Zeyuan Guo ◽  
Yuting Wu ◽  
Xiaofang Sun
Keyword(s):  
Insulin Resistance ◽  
Body Weight ◽  
Blood Glucose ◽  
Low Dose ◽  
The Body ◽  
Control Group ◽  
Obese Mice ◽  
Short Period ◽  
Significant Difference ◽  
Different Doses

Abstract Background：Polyethylene glycol losenatide (PEX-168) is a new antidiabetic drug; as such, there are not yet any reports on its weight loss effect. Therefore, this trial was designed to investigate the effect of PEX-168 on simple obese mice.Methods：Thirty healthy male C57BL/6 mice were randomly selected and divided into a control group (NC) and an obesity model group. The high-fat diet-induced simple obesity mice were divided into a model control group (HF) and three intervention groups. The intervention groups were injected with different doses of PEX-168 intraperitoneally once a week for 12 weeks (low (LD), medium (MD) and high (HD)). Fasting blood glucose (FBG), body weight and food intake were measured from 1 to 12 weeks after PEX-168 injection. The serum insulin (INS), C-reactive protein (CRP), chemerin and omentin levels were measured after 12 weeks.Results：Compared with the HF group, the low dose of PEX-168 reduced the body weight of the mice in a short period of time (8 weeks), and the mice in the LDand HD groups showed a significant decrease in body weight (P < 0.05). The low dose of PEX-168 could effectively improve the blood glucose and insulin resistance index (Homa-IR) of the mice (FBG P < 0.05 INS, Homa-IR P < 0.001), but there was no significant difference between different doses (P > 0.05). CRP levels in the HD and LD groups were significantly improved (P < 0.05). The levels of serum chemerin and omentin in the intervention groups were also significantly improved (P < 0.01), but there was no significant difference between the different doses (P > 0.05).Conclusion：PEX-168 significantly reduced the body weight of simple obese mice and prevented the development of diabetes. PEX-168 may regulate the expression of chemerin and omentin mainly through its hypoglycaemic effect, and the weight-reducing effect of PEX-168 is unlikely to be the reason for the changes in both.

scholarly journals Study of fecundity and induced breeding of Mystus vittatus

2012 ◽  
Vol 39 (2) ◽  
pp. 205-212
Author(s):  
Sk. Shahinur Islam ◽  
Md. Saifuddin Shah ◽  
Md. Lifat Rahi
Keyword(s):  
Body Weight ◽  
Sex Ratio ◽  
Sex Ratios ◽  
Treatment Combination ◽  
Mystus Vittatus ◽  
Survival Percentage ◽  
Different Doses ◽  
Hatching Rates

The present study deals with the estimation of fecundity and induced breeding of Mystus vittatus by using carp PG hormone. Four different doses were tested, viz. 6, 8, 10 and 12 mg/kg body weight for female and 3, 4, 5 and 6 mg/kg body weight for male. For each dose, three different sex ratios were maintained, viz. 1?: 1?, 2?: 1? and 3?: 2?. The hormone doses 8 mg/kg for female and 4 mg/kg for male provided the best result in the sex ratio 2?: 1?. This treatment combination revealed 80% fertilization and 56% hatching rates. Mean survival percentage of the spawns up to 10 days was 60%.DOI: http://dx.doi.org/10.3329/bjz.v39i2.10587 Bangladesh J. Zool. 39(2): 205-212, 2011 

scholarly journals PEX-168 Improves Insulin Resistance, Inflammatory Response and Adipokines in Simple Obese Mice: A Mechanistic Exploration

2021 ◽  
Author(s):  
Zeyuan Guo ◽  
Yuting Wu ◽  
Sun Xiaofang
Keyword(s):  
Insulin Resistance ◽  
Body Weight ◽  
Blood Glucose ◽  
Low Dose ◽  
The Body ◽  
Control Group ◽  
Obese Mice ◽  
Short Period ◽  
Significant Difference ◽  
Different Doses

Abstract Background: Polyethylene glycol losenatide (PEX-168) is a new antidiabetic drug; as such, there are not yet any reports on its weight loss effect. Therefore, this trial was designed to investigate the effect of PEX-168 on simple obese mice.Methods: Thirty healthy male C57BL/6 mice were randomly selected and divided into a control group (NC, n=6) and an obesity model group (n=24). The high-fat diet-induced simple obesity mice were divided into a model control group (HF) and three intervention groups receiving different doses of PEX-168 (low (LD), medium (MD) and high (HD), receiving PEX-168 doses of 0.03 mg/kg, 0.1 mg/kg, 0.3 mg/kg, respectively), with 6 animals in each group. The intervention groups were injected with different doses of PEX-168 intraperitoneally once a week for 12 weeks. Fasting blood glucose (FBG), body weight and food intake were measured from 1 to 12 weeks after PEX-168 injection. The activity of the mice was observed, and serum insulin (INS), C-reactive protein (CRP) chemerin and omentin levels were measured after 12 weeks.Results: Compared with the HF group, the low dose of PEX-168 reduced the body weight of the mice in a short period of time (8 weeks), and the mice in the LD and HD groups showed a significant decrease in body weight (P < 0.05). The low dose of PEX-168 could effectively improve the blood glucose and insulin resistance index (Homa-IR) of the mice (FBG P < 0.05 INS, Homa-IR P < 0.001), but there was no significant difference between different doses (P > 0.05). CRP levels in the HD and LD groups were significantly improved (P < 0.05). The levels of serum chemerin and omentin in the intervention groups were also significantly improved (P < 0.01), but there was no significant difference between the different doses (P > 0.05).Conclusion: PEX-168 significantly reduced the body weight of simple obese mice and prevented the development of diabetes. PEX-168 may regulate the expression of chemerin and omentin mainly through its hypoglycaemic effect, and the weight-reducing effect of PEX-168 is unlikely to be the reason for the changes in both.

scholarly journals Induced breeding of endangered striped dwarf Catfish (Mystus vittatus) and its embryonic and larval development

2015 ◽  
Vol 1 (1) ◽  
pp. 127-136
Author(s):  
Rabeya Yesmin ◽  
Salina Akhter Sume ◽  
Md Nazmul Haque ◽  
Nargis Sultana ◽  
Golam Quader Khan
Keyword(s):  
Body Weight ◽  
Developmental Stages ◽  
Mystus Vittatus ◽  
Female Ratio ◽  
Male And Female ◽  
Survival Percentage ◽  
Newly Hatched Larvae ◽  
Embryonic And Larval Development ◽  
Different Doses ◽  
Hatching Rates

The present study reports successful induced breeding of endangered striped dwarf catfish Mystus vittatus and its different embryonic and larval developmental stages. Three different doses of PG were tested, viz. 17, 15 and 13 mg PG/kg body weight for female and 14, 12 and 10 mg PG/kg body weight for male with maintaining (1:1) male and female ratio. The hormone doses 13 mg/kg for female and 10 mg/kg for male provided the best result i.e. 91.33±2.08% fertilization and 85.00±2% hatching rates. Mean survival percentage of the spawns up to 21 days was 8.00±1%. The fertilized eggs were found to be transparent, demersal, spherical, adhesive and brownish in colour and first cleavage took place within 35-40 min post-fertilization at 29.56± 0.25oC. Hatching took place at 24 h. after fertilization. Newly hatched larvae were 3-4 mm in length and slender, transparent and the yolk sac oval in shape. Anus was situated at almost mid ventrally. Larvae started to feed at 48-72 h post-hatching. DOI: http://dx.doi.org/10.3329/ralf.v1i1.22376 Res. Agric., Livest. Fish.1(1): 127-136, Dec 2014

scholarly journals Effect of Pituitary Gland (PG) Doses on Artificial Propagation of Endangered Tarabaim, Macrognathus aculeatus (Bloch)

2013 ◽  
Vol 19 (2) ◽  
pp. 111-118
Author(s):  
SM Farid ◽  
MI Miah ◽  
MAB Habib ◽  
MM Rahman
Keyword(s):  
Body Weight ◽  
Pituitary Gland ◽  
Fertilization Rate ◽  
Ovulation Rate ◽  
Hatching Rate ◽  
Artificial Propagation ◽  
Macrognathus Aculeatus ◽  
Hatching Rates

Five hormone doses viz., 40, 60, 70, 85 and 90 mg of Pituitary gland (PG)/kg body endangered Tarabaim (Macrognathus aculeatus) were tested and they were designated as Treatments T1, T2, T3, T4 and T5, respectively. Significantly (p<0.05) higher fertilization (86%) and hatching rates (50%) were obtained from T5 (90 mg of PG extract/kg body weight) than those of other treatments. However, T4 (85 mg of PG extract/kg, body weight) and T3 (70 mg of PG extract/kg body weight) gave the highest (90%) ovulation rate. In May and June, the highest fertilization rate of 82% and 86% respectively and hatching rate 45% and 75%, respectively were obtained at the temperature ranged from 27.0 to 33.0ºC. In conclusion, PG extract at a dose of 90 mg/kg body weight appeared to be the suitable dose for artificial propagation of M. aculeatus, May and June are the suitable months for its artificial propagation.DOI: http://dx.doi.org/10.3329/pa.v19i2.16951 Progress. Agric. 19(2): 111 - 118, 2008

scholarly journals Activity of indicators of the humoral immunity unit of calves for the action of pyridoxine hydrochloride

2020 ◽  
Vol 22 (4) ◽  
pp. 18-21
Author(s):  
О. Jaremko ◽  
◽  
M. Verkholiuk ◽  
R. Peleno ◽  
V. Semanyuk ◽  
...  
Keyword(s):  
Body Weight ◽  
Humoral Immunity ◽  
Bactericidal Activity ◽  
Lysozyme Activity ◽  
Pyridoxine Hydrochloride ◽  
Growing Period ◽  
Complementary Activity ◽  
Significant Difference ◽  
Different Doses ◽  
Activity Indices

The article presents the data of the effect of different doses of pyridoxine hydrochloride on the activity of humoral immunity in the blood serum of calves of the dairy growing period. The lowest activity of the indicators of humoral immunity was found in the serum of calves for the first day of life in all research groups. Exogenous administration of pyridoxine hydrochloride to colostrum and milk led to changes in the studied parameters. It was found that the bactericidal activity of serum increases on the 21st day of calf life and slightly decreases on the 90th day. The addition of pyridoxine hydrochloride at different doses to the milk leads to a probable increase in bactericidal activity of the serum only at doses of 4.0 mg/kg body weight at 60 and 90 days (P<0.05) and 5.0 mg/kg body weight from 21 90 days (P<0.05). Serum lysozyme activity increases during ontogeny and under the action of exogenous pyridoxine hydrochloride. A significant difference between the lysozyme activity indices of the control and experimental groups was established in calves of II, III, IV and V groups on the 60th and 90th day (P<0.05, P<0.01). Complementary activity of serum increases during ontogenesis, and additional introduction of pyridoxine hydrochloride has led to its decrease. A significant decrease in the complementary activity of serum was detected in calves at doses of 4 mg/kg body weight on the 90th day (P<0.05) and 5 mg/kg body weight from 21st to 90th day (P<0.05, P<0.01).

scholarly journals Development of Induced Breeding Technique for Freshwater Fish Gobi, Glossogobius giuris (Hamilton, 1822) Using Pituitary Gland (PG) Extract

2021 ◽  
pp. 24-35
Author(s):  
Selina Yeasmine ◽  
M. Aminur Rahman ◽  
Md. Sarower-E-Mahfuj ◽  
Sonia Sku ◽  
Md. Nazmul Hossen ◽  
...  
Keyword(s):  
Body Weight ◽  
Pituitary Gland ◽  
Freshwater Fish ◽  
Large Scale ◽  
Scale Production ◽  
Male Fish ◽  
Breeding Technique ◽  
Hatching Time ◽  
Glossogobius Giuris ◽  
Hatching Rates

This study aimed to establish induced breeding technique of freshwater fish gobi (Glossogobius giuris), using the pituitary gland (PG) extract. Six experiments were conducted at the Department of Fisheries Biology and Genetics, Faculty of Fisheries, Bangladesh Agricultural University, Mymensingh, Bangladesh. First breeding trial was conducted in June using 40, 45, and 50 mg PG kg-1 body weight of the female fish. None of the fish was ovulated in the 1st trial. Two more breeding trials were conducted in July and August, using 6 mg (T1), 8 mg (T2) and 10 mg (T3) PG kg-1 body weight of female, and 3 mg (T4), 4 mg (T5) and 5 mg (T6) PG kg-1 body weight of male fish. After treatment, the ovulation rates were recorded as 56.33±1.53, 82.67±2.52 and 75.33±1.53% in July and 58.00±2.65, 94.67±1.53 and 78.33±1.53% in August under the treatments T1, T2 and T3, respectively. Hatching rates of eggs were observed as 52.00±4.36, 81.67±3.21 and 72.33±6.03% in July, and 54.67±3.23, 91.67±3.06 and 73.67±5.13% in August under the T1, T2 and T3, respectively. Hatching time was ranged from 35 to 48 h and after the absorption of yolk sac (60-72 h), they were survived well when fed with tubificid worms and mixed zooplankton. The female treated with the dose of 8 mg PG kg-1 body weight in August showed the best performance so far as the ovulation, fertilization and hatching rates were concerned, while the single dose of 4 mg kg-1 body weight of PG was found to be effective for male fish in both months. The findings obtained from the present study reveals that induced breeding of G. giuris, using PG extract is successful for large scale production of quality seed in captive condition, which would further facilitate towards the aquaculture production and biodiversity conservation of this important fish species to a greater extent.

scholarly journals PEX-168 improves insulin resistance, inflammatory response and adipokines in simple obese mice: a mechanistic exploration

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Zeyuan Guo ◽  
Yuting Wu ◽  
Lihua Zhu ◽  
Yong Wang ◽  
Daorong Wang ◽  
...  
Keyword(s):  
Insulin Resistance ◽  
Body Weight ◽  
Blood Glucose ◽  
Low Dose ◽  
The Body ◽  
Control Group ◽  
Obese Mice ◽  
Short Period ◽  
Significant Difference ◽  
Different Doses

Abstract Background Polyethylene glycol loxenatide (PEX-168) is a new antidiabetic drug; as such, there are not yet any reports on its weight loss effect. Therefore, this trial was designed to investigate the effect of PEX-168 on simple obese mice. Methods Thirty healthy male C57BL/6 mice were randomly selected and divided into a control group (NC) and an obesity model group. The high-fat diet-induced simple obesity mice were divided into a model control group (HF) and three intervention groups. The intervention groups were injected with different doses of PEX-168 intraperitoneally once a week for 12 weeks (low (LD), medium (MD) and high (HD)). Fasting blood glucose (FBG), body weight and food intake were measured from 1 to 12 weeks after PEX-168 injection. The serum insulin (INS), C-reactive protein (CRP), chemerin and omentin levels were measured after 12 weeks. Results Compared with the HF group, the low dose of PEX-168 reduced the body weight of the mice in a short period of time (8 weeks), and the mice in the MD and HD groups showed a significant decrease in body weight (P < 0.05). The low dose of PEX-168 could effectively improve the blood glucose and homeostasis model assessment of insulin resistance (Homa-IR) of the mice (FBG P < 0.05 INS, Homa-IR P < 0.001), but there was no significant difference between different doses (P > 0.05). CRP levels in the MD and HD groups were significantly improved (P < 0.05). The levels of serum chemerin and omentin in the intervention groups were also significantly improved (P < 0.01), but there was no significant difference between the different doses (P > 0.05). Conclusions PEX-168 significantly reduced the body weight of simple obese mice and improved the insulin resistance. PEX-168 may regulate the expression of chemerin and omentin through its hypoglycaemic effect, and the weight-reducing effect of PEX-168 is unlikely to be the reason for the changes in both.

Incubation Temperature Influences the Duration of Egg Hatching and Early Development in the Boreal Digging Frog, Kaloula Borealis

2020 ◽  
Vol 3 (1) ◽  
pp. ACCEPTED
Author(s):  
Rho-Jeong Rae
Keyword(s):  
Water Temperature ◽  
Early Life ◽  
Rainy Season ◽  
Incubation Temperature ◽  
Life Stages ◽  
Early Life Stages ◽  
Egg Hatching ◽  
Significant Difference ◽  
The Mean ◽  
Hatching Rates

This study investigated the boreal digging frog, Kaloula borealis, to determine the egg hatching period and whether the hatching period is affected by incubation temperature. The results of this study showed that all the eggs hatched within 48 h after spawning, with 28.1% (±10.8, n=52) hatching within 24 h and 99.9% (±0.23, n=49) within 48 h after spawning. A significant difference was noted in the mean hatching proportion of tadpoles at different water temperatures. The mean hatching rates between 15 and 24 h after spawning was higher at a water temperature of 21.1 (±0.2) °C than at 24.1 (±0.2) °C. These results suggest that incubation temperature affected the early life stages of the boreal digging frog, since they spawn in ponds or puddles that form during the rainy season.

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