hey duckie ~s~
The Bosk number in the tens of thousands, so anything longer than the 6 months we stay in place in rp would devastate the ecology and lead to Our demise. The Tuchuk are Nomads, it's such a deeply ingrained part of the culture that i don't think they could or would even be able to think of
not doing it. By the books, Tuchuk migrated a lot, pretty much when ever the Bosk started to wander off in search of more/fresher food or water, not just the twice a year we do. Besides, Tuchuk aren't in control of when they actually move around - the Bosk themselves are. It's part of their natural survival instincts to move on when they need more to graze or even if the water sources get low. If the herds become too large?? the Southern Hemisphere of Gor is VAST...lots of land to graze. But, if due to a few years of idea weather and perfect rain fall for mucho grasses and the herd did become too large to be able to thrive on the plains? Well, nature takes over. Once 'normal' weather conditions happened, over grazing would cause malnutrition and even starvation in the herd, live birth rates would drop, calf survival would decrease, disease would begin to spread (things that happen with every species when they begin to take up too many resources.), bringing the numbers back down to where the plains could once again support the beasties. So...to answer your question, nope, Tuchuk as a whole, wouldn't..more importantly...they couldn't stay put and become farmers.
As for the slave wine, in the first books of the series, slave wine only lasted for a month or so as seen here~
Slave wine is bitter, intentionally so. Its effects lasts for more than a Gorean month. I did not wish the females to conceive. A female slave is taken off slave wine only when it is her master's intention to breed her."
---Marauders of Gor, p 23
In the later books...it seems to be a one shot deal (unless of course, breeding wine is given to counter act the effects).
Need I drink that? I asked, apprehensively.
Unless you have had slave wine," he said, "I have no intention of taking you through the streets clad as you are. Suppose you are raped." I put the flask, which he had opened, to my lips. Its opening was large enough to drink freely from. "It is bitter!" I said, touching my lips to it. "It is the standard concentration, and dosage," he said, "plus a little more, for assurance.
Its effect is indefinite, but it is normally renewed annually, primarily for symbolic purposes. I could not believe how bitter it was. I had learned from Susan, whom I had once questioned on the matter, the object.
It is prepared from a derivative of sip root. The formula, too, I had learned, at the insistence of masters and slavers, had been improved by the caste of physicians within the last few years. It was now, for most practical purposes, universally effective. Too, as Drusus Rencius bad mentioned, its effects, at least for most practical purposes, lasted indefinitely.
---Kajira of Gor, p 130
Have you had your slave wine?" asked Ina. "Yes," I said. This is not really wine, or an alcoholic beverage. It is called slave wine I think for the amusement of the Masters. It is extremely bitter. One draught of the substance is reputed to last until the administration of an appropriate releaser. In spite of this belief however or perhaps in deference to tradition, lingering from earlier times, in which, it seems less reliable slave wines were available, doses of this foul stuff are usually administered to female slaves at regular intervals usually once or twice a year. Some girls rather cynical ones, I suspect speculate that the Masters give it to them more often than necessary just because they enjoy watching them down the terrible stuff.
---Dancer of Gor pg 174
Why do we still do it? Master Ubar says so (<--my guess anyways

).
As an odd ball info thing....sip root (which slave wine is made from) can also be chewed in it's raw form for the same effects as slave wine. It's actually done that way in the Barrens

"We make them chew carefully and watch closely to see that they swallow, bit by bit, in small swallows, sip roots, as well," said another."We then examine their mouths, forcing them widely open, to determine that they have finished their entire allotment of the root," said another.I nodded. Sip roots are extremely bitter. Slave wine, incidentally, is made from sip roots. --Blood Brothers of Gor p 124
~snugs and slips back to rt~