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Bamboo forage in Peruvian Amazon: a potential feed for cattle.

W Altamirano-Gutiérrez¹, I C Molina-Botero¹, E Fuentes-Navarro¹

¹Facultad de Zootecnia, Universidad Nacional Agraria La Molina, Av. La Molina s/n, La Molina, 15024, Lima, Peru.

Tropical Animal Health and Production

|August 14, 2023

Summary

Bamboo leaves, particularly Dendrocalamus asper, can supplement Gyr × Holstein heifers

Keywords:

Animal productivity Bamboo leaves Protein fractionation

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Area of Science:

Animal Nutrition
Forage Science
Tropical Agriculture

Background:

Bamboo is a prevalent forage resource in the Peruvian Amazon.
Limited research exists on the nutritional value of bamboo species for livestock in the region.
Understanding the chemical composition and digestibility of bamboo is crucial for its effective utilization.

Purpose of the Study:

To chemically characterize five bamboo species from Northeastern Peru.
To evaluate the impact of supplementing Gyr × Holstein heifers with Dendrocalamus asper leaves on intake and live weight gain.
To determine the optimal inclusion level of bamboo leaves as a feed supplement.

Main Methods:

Chemical analysis of five bamboo species (Guadua lynnclarkiae, G. takahashiae, Bambusa vulgaris, G. weberbaueri, D. asper).
A 28-day feeding trial with 18 Gyr × Holstein heifers, using diets with 0%, 20%, and 40% D. asper leaf inclusion.
Measurement of dry matter intake, crude protein intake, neutral detergent fiber intake, and live weight gain.

Main Results:

Dendrocalamus asper exhibited higher crude protein and post-ruminal supply but similar fiber content compared to other species.
Dry matter intake decreased with increasing bamboo leaf inclusion (40% > 20% = 0%).
Live weight gain was unaffected by bamboo inclusion, but feed conversion improved at 20% inclusion.

Conclusions:

Bamboo leaves, especially D. asper, can be a viable supplement for cattle during the dry season in Peru.
A 20% inclusion level of bamboo leaves is recommended to optimize feed conversion without compromising live weight gain.
Further research into processing methods and long-term effects is warranted.