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Research Article


Effects of peptides and probiotics supplementation via diet on blood parameters and growth performance of Piaractus brachypomus during the growth-out phase

Angui Arely Paico-Ruiz, César Augusto Villanueva Chávez, Nieves Nancy Sandoval Chaupe, Carlos Andre Amaringo Cortegano.


Abstract
Background:
There is no evidence of peptides-probiotics symbiosis as supplements in aquafeeds.
Aim:
To evaluate the effect of peptides and probiotics supplementation via diet on blood parameters and growth performance of juvenile P. brachypomus, an Amazonian fish, during the growth-out phase.
Methods:
120 juvenile P. brachypomus (242.77 g) were placed into twelve 200-L tanks (10 fish/tank), housed in an indoor open system with constant water renovation (flow rate:1.50 L/min). The experiment used a completely randomized design with a 4×5 factorial arrangement [4 doses of supplementation (CD: commercial diet; PepD: CD+1.50% of peptides per CD weight; ProD: CD+40.00 mL of activated probiotics per kg of diet (Lactobacillus spp., Rhodopseudomonas spp., Saccharomycetes spp.); PepProD: CD+Pep+Pro); 5 sampling times (0, 2nd, 4th, 6th, 8th week); n=3]. Fish were fed twice a day at a feeding rate of 1% of body weight. At each sampling time, blood was collected and fish were measured for growth performance analysis. Data was analyzed by using two-way ANOVA and Tukey’s test (p<0.05).
Results:
The values of hematocrit (18.31%), leukocytes (1,216.67 mm3), neutrophils (81.27%), lymphocytes (18.73%), albumin (1.08 g/dL), relative growth rate (1.002%/day) and the Fulton allometric condition factor (2.03) remained constant throughout the experiment (p>0.05). Plasma glucose decreased for all fish in the 2nd week (59.56 mg/dL); then, that level increased in fish fed with the CD (89.00 mg/dL), while fish fed with PepD, ProD and PepProD showed constant values (57.22 mg/dL). The plasma protein levels were constant in fish fed with the PepD and PepProD, (p>0.05), while fish fed with the CD and ProD showed non-constant and higher values. At the end of the trial, fish fed with the PepProD showed the highest weight gain and the lowest feed conversion rate (39.66 g; 0.97).
Conclusion:
It is possible to maintain the stability of plasma glucose and plasma protein by supplementing diets with peptides, but the peptides-probiotics symbiosis administrated via diet contributes to maintain the stability of plasma glucose and plasma protein and to improve the growth performance of juvenile P. brachypomus during the growth-out phase.

Key words: Amazonian fish farming, Neotropical fish, Paco, Plasma glucose, Plasma protein


 
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How to Cite this Article
Pubmed Style

AAP, Chávez CAV, Chaupe NNS, Cortegano CAA. Effects of peptides and probiotics supplementation via diet on blood parameters and growth performance of Piaractus brachypomus during the growth-out phase. Open Vet J. 2024; 14(6): 1384-1393. doi:10.5455/OVJ.2024.v14.i6.6


Web Style

AAP, Chávez CAV, Chaupe NNS, Cortegano CAA. Effects of peptides and probiotics supplementation via diet on blood parameters and growth performance of Piaractus brachypomus during the growth-out phase. https://www.openveterinaryjournal.com/?mno=193688 [Access: October 31, 2024]. doi:10.5455/OVJ.2024.v14.i6.6


AMA (American Medical Association) Style

AAP, Chávez CAV, Chaupe NNS, Cortegano CAA. Effects of peptides and probiotics supplementation via diet on blood parameters and growth performance of Piaractus brachypomus during the growth-out phase. Open Vet J. 2024; 14(6): 1384-1393. doi:10.5455/OVJ.2024.v14.i6.6



Vancouver/ICMJE Style

AAP, Chávez CAV, Chaupe NNS, Cortegano CAA. Effects of peptides and probiotics supplementation via diet on blood parameters and growth performance of Piaractus brachypomus during the growth-out phase. Open Vet J. (2024), [cited October 31, 2024]; 14(6): 1384-1393. doi:10.5455/OVJ.2024.v14.i6.6



Harvard Style

, A. A. P., Chávez, . C. A. V., Chaupe, . N. N. S. & Cortegano, . C. A. A. (2024) Effects of peptides and probiotics supplementation via diet on blood parameters and growth performance of Piaractus brachypomus during the growth-out phase. Open Vet J, 14 (6), 1384-1393. doi:10.5455/OVJ.2024.v14.i6.6



Turabian Style

, Angui Arely Paico-Ruiz, César Augusto Villanueva Chávez, Nieves Nancy Sandoval Chaupe, and Carlos Andre Amaringo Cortegano. 2024. Effects of peptides and probiotics supplementation via diet on blood parameters and growth performance of Piaractus brachypomus during the growth-out phase. Open Veterinary Journal, 14 (6), 1384-1393. doi:10.5455/OVJ.2024.v14.i6.6



Chicago Style

, Angui Arely Paico-Ruiz, César Augusto Villanueva Chávez, Nieves Nancy Sandoval Chaupe, and Carlos Andre Amaringo Cortegano. "Effects of peptides and probiotics supplementation via diet on blood parameters and growth performance of Piaractus brachypomus during the growth-out phase." Open Veterinary Journal 14 (2024), 1384-1393. doi:10.5455/OVJ.2024.v14.i6.6



MLA (The Modern Language Association) Style

, Angui Arely Paico-Ruiz, César Augusto Villanueva Chávez, Nieves Nancy Sandoval Chaupe, and Carlos Andre Amaringo Cortegano. "Effects of peptides and probiotics supplementation via diet on blood parameters and growth performance of Piaractus brachypomus during the growth-out phase." Open Veterinary Journal 14.6 (2024), 1384-1393. Print. doi:10.5455/OVJ.2024.v14.i6.6



APA (American Psychological Association) Style

, A. A. P., Chávez, . C. A. V., Chaupe, . N. N. S. & Cortegano, . C. A. A. (2024) Effects of peptides and probiotics supplementation via diet on blood parameters and growth performance of Piaractus brachypomus during the growth-out phase. Open Veterinary Journal, 14 (6), 1384-1393. doi:10.5455/OVJ.2024.v14.i6.6