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Research Article


Effects of oral administration of native lactic acid bacteria with probiotic potential on productive parameters and meat quality of fattening guinea pigs (Cavia porcellus)

José Goicochea-vargas, Max Salvatierra-alor, Fidel Acosta-pachorro, Wilson Rondón-jorge, Julissa Cajacuri-aquino, Arnold Herrera-briceño, Edson Morales-parra, Eric Mialhe, Mauricio Silva, Marcelo Ratto.


Abstract
Background:
The use of probiotics in guinea pig farming has emerged as an alternative to antibiotics because proper probiotic administration provides beneficial effects to the host without the risks associated with antibiotics. However, few studies have reported the significant effects of probiotics on guinea pig production and meat quality.

Aim:
This study aimed to evaluate the effects of the oral administration of different lactic acid bacteria with probiotic potential on the productive parameters and meat quality of fattening guinea pigs (Cavia porcellus).

Methods:
A total of 72 guinea pigs from a fattening line weaned at 14 days post-birth with an initial average weight of 248.6 ± 42.2 g were distributed into six pens (n=12 each). They received oral administration of 3 mL of native lactic acid bacteria: Treatment 1 (T1): Enterococcus gallinarum, Treatment 2 (T2): Exiguobacterium sp., Treatment 3 (T3): Lactococcus lactis, Treatment 4 (T4): a mixture of the three bacteria, Treatment 5 (T5): addition of Zinc bacitracin, and Treatment 6 (T6): control. After 63 days, final weight, weight gain, dry matter intake, feed conversion ratio, carcass yield, economic merit, and meat quality were determined.

Results:
The addition of lactic acid bacteria did not significantly affect the final weight (p = 0.242). However, differences were observed in weight gain (p = 0.04), specifically between T1 and T3 (p = 0.039). No significant differences were observed in dry matter intake (p = 0.99) or feed conversion ratio (p = 0.72). The carcass yield was similar across all treatments (p = 0.093), as was economic merit (p = 0.157). Sensory analysis indicated better acceptance of meat from animals treated with probiotics, although no significant differences were found (p > 0.05).

Conclusion:
The oral administration of the native probiotic bacteria Enterococcus gallinarum, Exiguobacterium sp., and Lactococcus lactis did not affect the productivity or meat quality of guinea pigs.

Key words: Lactococcus lactis, Exiguobacterium sp., Enterococcus gallinarum, Growth promoter antibiotic, Huanuco


 
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How to Cite this Article
Pubmed Style

Goicochea-vargas J, Salvatierra-alor M, Acosta-pachorro F, Rondón-jorge W, Cajacuri-aquino J, Herrera-briceño A, Morales-parra E, Mialhe E, Silva M, Ratto M. Effects of oral administration of native lactic acid bacteria with probiotic potential on productive parameters and meat quality of fattening guinea pigs (Cavia porcellus). Open Vet J. 2025; 15(4): 1576-1584. doi:10.5455/OVJ.2025.v15.i4.8

Web Style

Goicochea-vargas J, Salvatierra-alor M, Acosta-pachorro F, Rondón-jorge W, Cajacuri-aquino J, Herrera-briceño A, Morales-parra E, Mialhe E, Silva M, Ratto M. Effects of oral administration of native lactic acid bacteria with probiotic potential on productive parameters and meat quality of fattening guinea pigs (Cavia porcellus). https://www.openveterinaryjournal.com/?mno=229285 [Access: May 08, 2025]. doi:10.5455/OVJ.2025.v15.i4.8

AMA (American Medical Association) Style

Goicochea-vargas J, Salvatierra-alor M, Acosta-pachorro F, Rondón-jorge W, Cajacuri-aquino J, Herrera-briceño A, Morales-parra E, Mialhe E, Silva M, Ratto M. Effects of oral administration of native lactic acid bacteria with probiotic potential on productive parameters and meat quality of fattening guinea pigs (Cavia porcellus). Open Vet J. 2025; 15(4): 1576-1584. doi:10.5455/OVJ.2025.v15.i4.8


Vancouver/ICMJE Style

Goicochea-vargas J, Salvatierra-alor M, Acosta-pachorro F, Rondón-jorge W, Cajacuri-aquino J, Herrera-briceño A, Morales-parra E, Mialhe E, Silva M, Ratto M. Effects of oral administration of native lactic acid bacteria with probiotic potential on productive parameters and meat quality of fattening guinea pigs (Cavia porcellus). Open Vet J. (2025), [cited May 08, 2025]; 15(4): 1576-1584. doi:10.5455/OVJ.2025.v15.i4.8


Harvard Style

Goicochea-vargas, J., Salvatierra-alor, . M., Acosta-pachorro, . F., Rondón-jorge, . W., Cajacuri-aquino, . J., Herrera-briceño, . A., Morales-parra, . E., Mialhe, . E., Silva, . M. & Ratto, . M. (2025) Effects of oral administration of native lactic acid bacteria with probiotic potential on productive parameters and meat quality of fattening guinea pigs (Cavia porcellus). Open Vet J, 15 (4), 1576-1584. doi:10.5455/OVJ.2025.v15.i4.8


Turabian Style

Goicochea-vargas, José, Max Salvatierra-alor, Fidel Acosta-pachorro, Wilson Rondón-jorge, Julissa Cajacuri-aquino, Arnold Herrera-briceño, Edson Morales-parra, Eric Mialhe, Mauricio Silva, and Marcelo Ratto. 2025. Effects of oral administration of native lactic acid bacteria with probiotic potential on productive parameters and meat quality of fattening guinea pigs (Cavia porcellus). Open Veterinary Journal, 15 (4), 1576-1584. doi:10.5455/OVJ.2025.v15.i4.8


Chicago Style

Goicochea-vargas, José, Max Salvatierra-alor, Fidel Acosta-pachorro, Wilson Rondón-jorge, Julissa Cajacuri-aquino, Arnold Herrera-briceño, Edson Morales-parra, Eric Mialhe, Mauricio Silva, and Marcelo Ratto. "Effects of oral administration of native lactic acid bacteria with probiotic potential on productive parameters and meat quality of fattening guinea pigs (Cavia porcellus)." Open Veterinary Journal 15 (2025), 1576-1584. doi:10.5455/OVJ.2025.v15.i4.8


MLA (The Modern Language Association) Style

Goicochea-vargas, José, Max Salvatierra-alor, Fidel Acosta-pachorro, Wilson Rondón-jorge, Julissa Cajacuri-aquino, Arnold Herrera-briceño, Edson Morales-parra, Eric Mialhe, Mauricio Silva, and Marcelo Ratto. "Effects of oral administration of native lactic acid bacteria with probiotic potential on productive parameters and meat quality of fattening guinea pigs (Cavia porcellus)." Open Veterinary Journal 15.4 (2025), 1576-1584. Print. doi:10.5455/OVJ.2025.v15.i4.8


APA (American Psychological Association) Style

Goicochea-vargas, J., Salvatierra-alor, . M., Acosta-pachorro, . F., Rondón-jorge, . W., Cajacuri-aquino, . J., Herrera-briceño, . A., Morales-parra, . E., Mialhe, . E., Silva, . M. & Ratto, . M. (2025) Effects of oral administration of native lactic acid bacteria with probiotic potential on productive parameters and meat quality of fattening guinea pigs (Cavia porcellus). Open Veterinary Journal, 15 (4), 1576-1584. doi:10.5455/OVJ.2025.v15.i4.8


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