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THE SPECKLED BROOK TROUT
PART VIII: TROUT PROPAGATION. ________________________________________ The artificial propagation of fishes, that is, taking the eggs, impregnating and hatching them by hand, is reduced practically to an exact science, so far as the eggs of most food-fishes are concerned; and after that the rearing of fry to yearlings or older in the hatcheries is chiefly a matter of cost of food, water supply, and care of the young fish by skilled men. Most fish, too, of all ages are now transported without loss worth mentioning, so the work of actual hatching, rearing, transporting, and planting food-fishes can be planned in advance and carried out as successfully as the rearing of warm-blooded animals. Beyond the point of planting strong young fish in wild waters, the work may be a success or failure, depending upon the conditions existing in the water itself. It may not be an entire success nor an abject failure, but the fish-breeder cannot always foresee which it will be with the certainty that he can foretell the results in his hatchery. Wild waters are always presenting problems to be worked out, to insure the success of fish propagation in them because the conditions are not always constant in any particular water, and conditions change with different waters. In planting fish in a territory so extensive as is comprised within the boundaries of the State of New York, it is a most difficult matter to determine in advance what conditions exist in all water that the State is called upon to stock. Streams that were once natural trout-streams may have become unfit for trout, through lack of shade and the drying up of the fountain-head during a part of the season, caused by lumbering operations. A stream well shaded by forest growth may provide water of a temperature for trout, and when the axe has opened the stream to the sun, the temperature of the water may rise to such a degree that trout cannot live in it. Not one applicant in fifty who asks for trout-fry gives the temperature of the water to be planted with any positiveness. A stream that is a roaring torrent in the spring during the melting of the snows, and is afterward a mere thread of warm water, is not a proper stream for trout of any kind. As a matter of fact, I have seen a brook absolutely dry in the month of August that was planted with trout the preceding May, and probably it was planted in good faith by the person who applied for and obtained the trout from the State. The state hatches a greater number of fish each succeeding year, but the applications for fish more than keep pace with the increase, and the applications have to be sifted and examined carefully that the best results may be obtained by the Commission in planting fish only in suitable waters, judging from the information furnished. If this information is defective or unreliable or the exact condition existing unknown, the result of fish-planting may be disappointing. To show what may be done in the way of stocking a pond intelligently with trout-fry, Mr. W. C. Witherbee, of Port Henry, obtained 5,000 brook-trout fry from the State and planted them in a small pond in Essex County. The pond had once contained trout, but was so thoroughly fished out that no one thought of fishing it at the time. It contained an abundance of fish-food, with a fine inlet stream, spring-fed, and an ample supply of water. In fact, all the conditions were favorable, as the result shows. The fry were planted and allowed to grow for several years, and the pond was not fished, for there was no boat on it and it was not generally known that it was restocked. Mr. and Mrs. Witherbee, concluding that the pond had had time to recuperate, went there for a day's fishing and caught five trout, the weights being four and one-half, four, four, four, and three and three-quarters pounds respectively, or a total for the five trout of twenty and one-quarter pounds. The pond was, of course, public water, and at once it was fished without ceasing. One trout of over eleven pounds was taken from it, taken, too, without regard to the ethics of fair angling; and it is more than suspected that even a larger trout was taken from the inlet stream at the spawning season, a trout of thirteen pounds and three ounces. Here are other conditions to be considered. After a pond is stocked with fish, and well stocked, water, food, and temperature all being suitable, what rules can be enforced to insure that the pond will be fished with moderation in season and not at all out of season? But that is a matter for the lawmakers, game-protectors, and the consciences of the anglers, rather than for the fish-breeder; therefore, let us consider a little further the question of temperature of water suitable for trout. Waters that already contain trout that do well in them can be planted, as the fact that trout thrive in them is prima facie evidence that the waters are suitable for the fish. In extending the range of trout, or in planting streams that have been fished out, and in which the conditions may have changed, it is safe to plant in waters that never exceed a summer temperature of 70° F. Rainbow and brown trout still thrive in waters of higher temperature than are suitable for brook trout, and brook trout will live in well aerated water above 70°; at the same time water of 70.5° has killed both brook trout and brown trout, probably because it lacked vigor, which comes from force and aeration. Trout grow little, if any, when in water below 40°, and to be at their best they must have, during a portion of the year, water that ranges from 62° to 70°, as this temperature hatches the insect life, which constitutes a large part of the food of trout. While food is all-important, trout must have room also, in which to grow. It is self-evident that if trout are planted in numbers to exhaust the food supply, they will not thrive; but aside from that trout must have space to be at their best, for it has been demonstrated that a given number of trout in a certain number of cubic feet of water will do better than the same number of trout in half the quantity of water, both lots of trout being fed the same amount of food. How far trout may be acclimated to water of higher temperature than that to which they are ordinarily accustomed has not yet been fully demonstrated. In South Africa the brown trout has been hatched in water as high as 79°, and in this country the rainbow have been found to thrive in swift, well-aerated streams that reach 85° F. The experiments of Dr. Davy ("Physiological Researches") to determine the temperature fatal to trout are of interest, and aside from the question of temperature, as they show how trout try to escape when the water becomes too warm. He placed a common European trout (fario), or brown trout of this State, of about a quarter pound weight, into a good volume of water at 62°, which was pretty rapidly raised to 75° by additions of warm water, when it became very active and tried to leap out. In an hour the water was increased to 80°, and after a few minutes more to 85°, when it became convulsed, and, although transferred to cool water, died. When the water had sunk to 70° a smaller trout and a minnow were put in, and although the next morning the temperature had sunk to 67°, the trout was dead, but the minnow had not suffered. A par of the salmon, about four inches long, was similarly treated, the water in half an hour being raised from 60° to 70°, and now it tried to escape. The water was raised to 80° and it became torpid and convulsed; at 84° it seemed to have died. A char of about the same size had the water gradually raised to 80°, when it appears to have succumbed. The trout tried to escape by leaping out of the water, while the char kept to the bottom with its head downward, as if seeking for a cooler locality. The common brook trout of this country (fontinalis) is a char, and undoubtedly acts as did the European char in the experiment, by seeking cooler water downward in a pond when the surface water becomes warm, and searching out spring-holes in streams, so they may be left to their own devices to find the coldest water provided in any stream or pond in which they are planted; but unless the stream or pond contains the cool water for them to find-i.e., below 70°, and 65° would be better-it is useless to attempt to propagate brook trout in it. There are other conditions which operate against the maintenance of trout in a stream. The fish must have gravel in which to make their spawning-beds. Even with gravel but a small percentage of eggs deposited naturally are hatched, but if deposited in the soft bottom they may be lost entirely. During the past season I examined a trout-pond at the request of a committee of gentlemen who had stocked it, and found there was very little gravel where springs boil from the bottom, and trout had been in the habit of spawning, and that little had been covered by vegetable growth. I suggested that spawning-beds be provided by hauling gravel on the ice in winter, spreading it over the places where the springs came from the bottom, and when the ice melted the gravel would settle evenly over the vegetable growth and provide the only thing which appeared to be needed to make the pond suitable for the propagation of trout, for the water was pure and cool, and there was an abundance of fish-food. Streams that are subject to sudden and severe freshets may have not only the spawning-beds ripped up and destroyed, but the food of the fish may be washed out of the stream and will need to be replaced artificially. Suckers are very destructive of trout-spawn, but after an examination of several small Adirondack lakes, that are natural trout-waters, but from which the trout have become practically exterminated, I am of the opinion that bullheads are to be charged with the destruction, more than any other one thing, men always excepted. Bullheads have not, perhaps, the general reputation for destroying trout-spawn that the sucker enjoys; nevertheless, they are one of the most destructive agents to be found in the water where trout exist. In the lakes referred to I found that the bullheads fairly swarmed, to the exclusion of all other fish, except a few big trout. They had not only destroyed the trout-spawn, but had destroyed all the food of the trout, and were themselves dwarfed and starved until they were unfit for food. In other waters the bullheads would have sought for food, and fishing would have kept them down, but men, as a rule, do not go into the Adirondack Wilderness to catch bullheads, and consequently all the fishing had been for trout, and the bullheads had multiplied unmolested until they monopolized the water to the exclusion of everything else. In one little lake the bullheads were like a solid carpet of fish suspended in the water under the boat, and with a piece of meat tied to a string about 2,000 were caught in a few hours, as many as seven being lifted into the boat at one time. They were from three to four inches long, and the largest taken was five and one-half inches long, too small to pay for dressing, even had they been fat, which they were not. On the spawning-beds of lake trout in New Hampshire, bullheads were found so gorged with trout-spawn that they were lying helpless on their sides, and one of the Commissioners who witnessed the sight told me that he was firmly of the opinion that the gorging would have proved fatal to some of the bullheads if the hatchery men had not anticipated the result. In waters that do not contain brook trout the bullhead is a most desirable food-fish, and it grows to good size and is always in demand. The waters of the State furnish about 200,000 pounds of bullheads annually, so far as returns have been obtained, more than of any other fish except the shad. The bullhead is a prolific fish and broods its young, and in trout-waters where it is not sought as food it has only to breed and multiply, barring such casualties as all fish are subject to in a state of nature. In trout-waters such as I have mentioned, where bullheads have driven the trout to the wall, if fishermen would devote a little time to catching bullheads there would be fewer to devour the spawn of trout and consume their food. There is another remedy for this condition of things, but it is one that can be applied only by the Fisheries, Game, and Forest Commission or its agents. Every little while it is discovered by someone that trout contain ova in the summer, and there is a demand that the closed season be shortened. The last complaint of this sort that I have noticed was printed in a paper in the northern part of the State. The writer of the complaint found ripe eggs in some trout he caught in August, and he desired that the law should close the fishing on and after August 1st. This gentleman simply made the mistake that others have made, for the eggs were not ripe. If he had examined trout in June or before, he would have found spawn in the females, but it would have been undeveloped ova, the same as he found in August, except that the latter was further advanced. In this State brook trout spawn in October, with some variation, depending upon the water, for the colder the water the earlier they will spawn. At the Adirondack hatching-station of this Commission, in Franklin County, they begin to spawn about October 1st; at the Caledonia station, in Livingston County, they begin to spawn about October 15th, and eggs are taken as Late as April 19th; at Cold Harbor station, on Long Island, they begin to spawn the last of October, but the height of the season is from November 10th to 30th, although a few fish come on in December and as late as January. In running streams the temperature of the water would follow closely the temperature of the air, and the spawning would be early if the season were cold, except in streams that were largely spring-fed, in which case the temperature of the water would not fall so rapidly and the spawning would be prolonged. Trout spawn when they are "yearlings," but a yearling is more than twelve months old. All brook-trout eggs are hatched in the spring, and the period of incubation varies with the temperature of the water. The eggs taken the first of October in Northern New York may be 150 days hatching, while the eggs taken on Long Island the last of November will be only about sixty days in hatching. Say that trout are hatched on Long island in March, during the following summer they will be fry, and in the fall they will be fingerlings, seven or eight months old. The next season they will be yearlings, and as they spawn in the fall of the second season, they will actually be twenty months old at spawning time, although from custom they are called yearling. Consequently, a yearling brook trout at spawning time is from eighteen to twenty months of age, dating from the time it left the egg. A yearling trout may yield from fifty to 250 eggs, the eggs being one-sixth of an inch in diameter, quite different from the mustard-seed eggs which the fisherman found in the fish he caught during the summer months of the open season. A trout but four inches long has been known to yield forty ripe eggs. Many yearling trout in wild waters are not six inches long, and where the six-inch trout law is observed numbers of trout will spawn before then can be legally killed. If there were no six-inch trout law, it would be possible to kill the trout before they spawned once, and the stock would have to depend almost entirely upon artificial propagation, with but slight aid from natural processes. A "yearling" trout in one of the State rearing-ponds is quite a different fish from a wild trout of the same age, for the State rears yearlings (seventeen months from the egg) that are ten and one-half inches long. Two-year-old trout may yield as many as 500 eggs, and older fish as many as 1,500. To maintain fair fishing, even in a trout-stream, such work as the State may be able to do in the way of planting the water should be supplemented by all the fish that may come from natural reproduction, and the trout should have every possible opportunity to spawn unmolested. END PART VIII |
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![]() "Wolfgang" wrote in message ... THE SPECKLED BROOK TROUT PART VIII: TROUT PROPAGATION. p.s. It might interest some readers to know that the author of this piece, A. Nelson Cheney, is an ancestor of a currently well known American public figure with whom I suspect the majority of us (or at least the wiser) would be delighted to fish......if the alternative were bird hunting. ![]() Wolfgang or, so says the little woman, anyway. |
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Wolfgang wrote:
or, so says the little woman, anyway. uh...does she know you writ that bit? i expect you'd be spending unexpected time with cullen if she did. jeff (who just made the mistake of telling rachel how pretty she looked while she was attempting to explain something serious about the mormon orthodoxy... jeez, talk about a feminine maelstrom...wimmen.) |
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"Wolfgang" sed:
"Wolfgang" wrote in message THE SPECKLED BROOK TROUT PART VIII: TROUT PROPAGATION. p.s. It might interest some readers to know that the author of this piece, A. Nelson Cheney, is an ancestor of a currently well known American public figure with whom I suspect the majority of us (or at least the wiser) would be delighted to fish......if the alternative were bird hunting. ![]() Hmmmm ... I wonder if the family retains the copyrights. -- BG |
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Wolfgang wrote:
"Wolfgang" wrote in message ... THE SPECKLED BROOK TROUT PART VIII: TROUT PROPAGATION. p.s. It might interest some readers to know that the author of this piece, A. Nelson Cheney, is an ancestor of a currently well known American public figure with whom I suspect the majority of us (or at least the wiser) would be delighted to fish......if the alternative were bird hunting. ![]() A. Nelson is almost as boring and tedious as his illustrious descendant is evil. I wouldn't fish with either of them, and if the alternative were bird hunting I'd load buckshot in a 12 gauge and wear Kevlar and head gear. -- Cut "to the chase" for my email address. |
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![]() "jeff" wrote in message ... Wolfgang wrote: or, so says the little woman, anyway. uh...does she know you writ that bit? i expect you'd be spending unexpected time with cullen if she did. Becky never reads this stuff unless I point something out to her.......well, we hope not, anyway. However, given that it IS possible, I SHOULD have been very clear about who I was referring to as "TLW": http://www.whitehouse.gov/ask/20030618.html Note the response to the question from Christian in San Jose. ![]() jeff (who just made the mistake of telling rachel how pretty she looked while she was attempting to explain something serious about the mormon orthodoxy... jeez, talk about a feminine maelstrom...wimmen.) Check; never tell a woman that she is pretty in the midst of a serious discussion about Mormon orthodoxy. Good to have this one pointed out......some of these rules aren't exactly intuitive. ![]() As it turns out, Cullen and I have spent the last two days together and will be enjoying each other's company again today. I am being punished for Becky having a Strep infection last week. When she was finished with it, she gave it to me. It has lodged in the right side of my mandible. Vicodin is grossly overrated. Wolfgang |
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![]() "BGhouse" wrote in message ... Hmmmm ... I wonder if the family retains the copyrights. The U.S. copyright on this book has lapsed. It is in the public domain. This is generally true of works published before 1923.....last I heard. For anything newer than that, the **** can get very complicated. Wikipedia has a good introduction to copyright law, including a cogent summary of the lively controversy surrounding ever increasing duration: http://en.wikipedia.org/wiki/Copyright For those willing to go to the effort of wading through it, the U.S. Copyright Office has a lot more detail: http://www.copyright.gov/ Wolfgang |
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On May 2, 11:48 am, "Wolfgang" wrote:
"BGhouse" wrote in message ... Hmmmm ... I wonder if the family retains the copyrights. The U.S. copyright on this book has lapsed. It is in the public domain. This is generally true of works published before 1923.....last I heard. For anything newer than that, the **** can get very complicated. Wikipedia has a good introduction to copyright law, including a cogent summary of the lively controversy surrounding ever increasing duration: http://en.wikipedia.org/wiki/Copyright For those willing to go to the effort of wading through it, the U.S. Copyright Office has a lot more detail: http://www.copyright.gov/ In addition, the clever folks at the Stanford University Library have put together a very useful tool for determining if certain books have had their copyright renewed: http://collections.stanford.edu/copyrightrenewals/ While the book in question is not covered by this database, it is the type of question that the compilers are concerned with- have the original copyright holder's heirs renewed the copyright on a work? It helps figure out the complicated stuff for the 1923-1963 period. Wm |
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![]() wrote in message oups.com... On May 2, 11:48 am, "Wolfgang" wrote: "BGhouse" wrote in message ... Hmmmm ... I wonder if the family retains the copyrights. The U.S. copyright on this book has lapsed. It is in the public domain. This is generally true of works published before 1923.....last I heard. For anything newer than that, the **** can get very complicated. Wikipedia has a good introduction to copyright law, including a cogent summary of the lively controversy surrounding ever increasing duration: http://en.wikipedia.org/wiki/Copyright For those willing to go to the effort of wading through it, the U.S. Copyright Office has a lot more detail: http://www.copyright.gov/ In addition, the clever folks at the Stanford University Library have put together a very useful tool for determining if certain books have had their copyright renewed: http://collections.stanford.edu/copyrightrenewals/ While the book in question is not covered by this database, it is the type of question that the compilers are concerned with- have the original copyright holder's heirs renewed the copyright on a work? It helps figure out the complicated stuff for the 1923-1963 period. Cool. Thanks for that, Bill. While I have your attention, did you get my e-mail concerning part VI? Wolfgang |
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Wolfgang wrote:
http://www.whitehouse.gov/ask/20030618.html Note the response to the question from Christian in San Jose. ![]() uh...have you been convicted of some serious wrongdoing? only some perverse suspended sentence would have sent you to that website! g As it turns out, Cullen and I have spent the last two days together and will be enjoying each other's company again today. I am being punished for Becky having a Strep infection last week. When she was finished with it, she gave it to me. It has lodged in the right side of my mandible. Vicodin is grossly overrated. hmmm...perhaps becky did read your post after all...you have checked the prescription carefully, haven't you? jeff |
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