A pasture vac can be useful to clean up leaves. Eliminate as many stress factors from your herd's environment as possible. Avoid overcrowding for shelter, food or water. The security of knowing that adequate food, shelter and water are always available will create a serene llama. Be attuned to which llamas are pals and try not to separated them.
Parasites prevent optimum usage of feed.
Take periodic fecal samples to your veterinarian to check for parasites. Establish and maintain a regular program of deworming that is appropriate for your herd and your area of the country. Fiber producing animals need an adequate source of protein in order to produce quality fiber. Feed intake first goes to pregnancy and lactation, then maintaining the llama and finally fiber. Obtain a feed and forage analysis to know exactly what your llamas are or are not getting nutritionally.