Nutrient balances and maintenance requirements for nitrogen and energy in desert tortoises ( Xerobates agassizii ) consuming forages

@inproceedings{Barboza2010NutrientBA,
  title={Nutrient balances and maintenance requirements for nitrogen and energy in desert tortoises ( Xerobates agassizii ) consuming forages},
  author={Perry S Barboza},
  year={2010}
}
The North American tortoise Xerobates agassizii (synonym: Gopherus agassizii) consumes herbage and grasses produced from low and variable desert rains. Utilization of Sphaeralcea ambigua foliage and the grass Schismus barbatus were studied in 8 adult tortoises (2.3 kg body mass). The herbage contained more N but less fiber than the grass. Tortoises ingested and digested more dry matter and energy from herbage than grass. Intakes and retention of N were greater from the herbage than the grass… CONTINUE READING