1. Rutting is a major distress in airport flexible pavements.

2. 21 You don't want to tangle with rutting stags, however.

3. The male sometimes urinates on his own beard as a marking behaviour during rutting.

4. Key words: rutting, subgrade stress ratio (SSR), National Airport Pavement Test Facility (NAPTF), pressure cell (PC), new generation aircraft, airport flexible pavement.

5. Design criteria based on subgrade stress ratios (SSRs) are being considered for evaluating subgrade rutting in airport flexible pavements.

6. Subgrade vertical strain criteria are used in many airport flexible pavement design procedures to consider the development of rutting.

7. See synonyms for: caterwaul / caterwauled / Caterwauling on Thesaurus.com verb (used without object) to utter long wailing cries, as cats in rutting time

8. See synonyms for: Caterwaul / Caterwauled / Caterwauling on Thesaurus.com verb (used without object) to utter long wailing cries, as cats in rutting time

9. The abnormal antler cycles as well as the premature annual onset of rutting behaviour observed in the stag are hypothetically attributed to a shift in the annual variation of plasma androgen levels.

10. A good correlation was obtained between the SSRs and the surface rut depths, supporting the validity of developing SSR-based rutting transfer functions for airport flexible pavements serving the next generation of aircraft.

11. A full scale spermatogenesis with massive accumulation of spermatozoa in the epididymis is reported in 2 five years old maraloid stags, shot on February 4th, after displaying the whole register of rutting behaviour for at least 6 weeks preceeding the investigation.