Measurement of grassland vegetation and animal production

Open woodland. Leucaena leucocephala. Tropical twining-legume/grass pasture. Oesophageal fistula samples. Camera stand for tall vegetation. Portable power scythe. Forage harvester with collection bin and scales. Fresnel lens apparatus for measuring sward height. Electronic pasture meter. Mobile electronic pasture meter in operation. Cages to exclude grazing. Emission spectrometer. Cattle grazing under longleaf pine. Movable cattle yards. Measuring fat cover over the eye-muscle. Measuring wool growth from dye-bands. Equipment for collecting faeces. Sheep with oesophageal fistula. Heifer with oesophageal sampling bag. Lamb with harness, faeces collection bag, rumen cannula and pump for taking continuous rumen samples. Electronic grazing clock.