Online Journal of Animal and Feed Research 

About: Online Journal of Animal and Feed Research is an academic journal published by Online Journal of Animal and Feed Research. The journal publishes majorly in the area(s): Biology & Feed conversion ratio. It has an ISSN identifier of 2228-7701. It is also open access. Over the lifetime, 231 publications have been published receiving 849 citations. The journal is also known as: Animal and feed research.

TOXICITY OF COPPER SULPHATE AND BEHAVIORAL LOCOMOTOR RESPONSE OF TILAPIA (Oreochromis Niloticus) AND CATFISH (Clarias Gariepinus) SPECIES

Abstract: Acute toxicity of copper sulphate (CuSO4.5H2O) to tilapia (Oreochromis niloticus) and catfish (Clarias gariepinus) species was investigated using toxicity index of 96 hours LC50 and the quantal response determined by the statistical probit analysis method. In response to the lethality of the copper toxicant, behavioral anomalies (locomotor response) of the exposed fish species were studied as indication of toxic effects of the heavy metal. Fish species shows different mortality responses to the varying concentrations of copper studied (50, 60, 70, 80, 100, and 120 mg/l) due to toxicity. Copper was significantly (no overlap in 95% C.L of 96 hrs LC50 values) more toxic to Oreochromis niloticus than the catfish. 96 hrs LC50 values for Oreochromis niloticus and Clarias gariepinus were revealed to be 58.837 and 70.135 mg/l, respectively. Behavioral changes, mostly locomotor responses (avoidance) were observed among the test animals on exposure to the different concentrations of copper sulphate. There is need to control the use of copper because of its observed toxicity and fish avoidance test shows to be an important predictive and sensitive biomarker in aquatic monitoring and pollution management.

Effect of dietary supplementation of Melissa officinalis and Aloe vera on hematological traits, lipid oxidation of carcass and performance in rainbow trout (Oncorhynchus mykiss).

Abstract: This was conducted investigate the effect of feeding lemon balm (Melissa officinalis) and Aloe (Aloe vera) on growth performance, hematological parameters and oxidative stability of rainbow trout. 360 uniform rainbow trout (20.87±0.25 g) were divided into 3 groups, and fed standard diets supplemented with ground lemon balm (2%, L group) or supplemented with Aloe (1%, A group) and without supplementation (Control, C group). Growth performance and body composition were not influenced by plant supplementation. Survival rate of fish was promoted in diets supplemented with herbs, significantly (P<0.05). A significant enhancement (higher value) of WBC and Hct was found in supplementation compared with control (P<0.05). However, any significant differences (P>0.05) were not observed in RBC and Hb in treatments (P>0.05). Results of thiobarbituric acid value (TBA) showed that lemon balm and Aloe herbs could be protective against lipid peroxidation in fish meat during chilling storage (4°C, 7 days).

The effect of ginger root powder (Zingiber officinale) supplementation on broiler chicks performance, blood and serum constituents.

Abstract: A study using one hundred and twenty eight unsexed day old broiler chicks (Ross 308) 32 birds/treatment with four replicates was conducted to evaluate the effect of ginger root powder as natural feed additives on growth performance, blood and serum constituents of broiler chickens. Four dietary treatments were formulated to meet the nutrient requirements of broiler chick containing ginger root powder at levels 0%, 0.5%, 1% and 1.5%. Result showed that significant decreased (P 0.05) in feed conversion ratio among all dietary treatments. Treatments had significant decreased (P 0.05) were observed in dressing percentage. There were no significant effect (P>0.05) on serum glucose, total protein and creatinine. Significant differences were observed in serum triglyceride and cholesterol levels. There were no significant differences (P>0.05) among all dietary treatments in Hb percentage, PCV percentage, TRBcs, MCV, MCH and MCHC percentage. The results showed that the inclusion of ginger root powder at levels 0.5% and1% in the diet , had lowering effect on cholesterol levels, and the chick may tolerate up to 1.5% without adverse effect on growth performance and blood parameters.

Growth performance of Cobb broilers given varying concentrations of Malunggay (Moringa oleifera Lam.) aqueous leaf extract.

Abstract: A study was conducted to determine the growth performance of Cobb broilers supplemented with varying concentrations of Moringa oleifera Aqueous Leaf Extract (MoALE) via the drinking water. A total of four hundred day-old chicks were randomly distributed into four treatment groups, replicated four times with twenty-five broilers per replicate. The growth performance of broilers was evaluated based on their feed consumption, live weight, feed conversion ratio (FCR) and return of investment (ROI). Results of the study showed that at 90 mL MoALE (T3), the feed consumption of broilers was consistently lower than the control group (T0) and this was statistically significant (P<0.01). The live weight of broilers given 30 mL (T1), 60 mL (T2) and 90 mL (T3) MoALEs were significantly higher than the control group (T0) and this was also statistically significant (P<0.01). In terms of feed conversion ratio (FCR), the MoALE treated broilers (T1-T3) were more efficient converter of feeds into meat than the control group (T0) and this was statistically significant (P<0.01). Furthermore, the return of investment (ROI) of MoALE treated broilers (T1-T3) was significantly higher (P<0.01) than the control group (T0) with a revenue per peso invested of Php 0.62 in T1 and T2, and Php 0.63 in T3 compared to Php 0.50 in T0.