Show Stretching Daylight For Greater Egg Yield Artificial Ligh Lighting n by hy Increasing Length of liens Hens Working Day Brings Greater Egg When Prices Arc Are Highest If the hens of this country ever manage to start a union there is little doubt as to what will mil cause the first strike The ever growing owing practice ce of using artificial lights in cannot fail to excite the theire theire theire ire of walking delegates and a de- de demand demand de demand mand for shorter hours is sure toI to I follow However that may be there the amazing effective effectiveness is no denying denying- no ness of artificial li lighting or turning ell Ca bright lights in poultry hOuses to athe day during the fall fail falland failand falland and winter when the days clays are short It not infrequently increases the winter egg egI yield from Irons 25 to 50 par pcr parcent increase cent with a corresponding in profi profits ts It is doubtful whether lighting ling causes causes a material increase if any in a fowls total CJ egg yield for the year There is no about I about its causing a d cI j I 1 jUAt i ia is f f I just when an increase ni nl w r There seems to be he e cf cution shout shoat what arti arH I t-ing t ing 1 ally s-L-ally t t r as asi i 1 i i i p- p p a 93 s making mak hes work wo-t- I I I overtime will 1111 snow A hen eats cats primarily to keep her I own body in proper condition Certain CerI Certain tam tain elements element's cj l I go into the thc fatty pardons of h her 1 bady other elements called proteins make up the lean or muscular tissues tissues tissues sues while mineral elements such as lime and calcium keep the bony work framework or skeleton leton in When enough h food has been eaten t ta take care of the hens hen's body any sur sur- sur- sur surplus surplus plus plug if of the ingredient ingredients is isI I converted into inlo cg eggs egg's The carbohydrates carbohydrates I drates then become the e egg g white I the proteins become yolks and the make up the shell Plainly thor therefore ore the more a hen oats eats of the proper food in excess of what is ded needed to maintain a n healthy body more eggi she mil vili la lay Of e coure this cannot continue indefinitely indefinitely as s there is a natural limit to the hens hen ability to consume and digest food Und Understanding l this the theory or of egg prod production tion ma makes s it much nuch cosier to toi i comprehend what hat artificia 1 lighting lighting- really does docs and how Naturally after daylight is o oer over er the hen can canno canno no longer see sec her hl scratch grains and andI I mashes Having no in incentive e for ex- ex ex exercising she deco the only other thing she can do do goes to sleep What arti arti- arti artificial artificial illumination doo does doos therefore is isto isto I to provide light so the hen can eat and exercise before f natural al da daylight li ht comes Store More fe feeling feeding naturally means mans snore more eggs if the the- ri right ht materials arc supplier Furthermore there is doubt doubtless doubtless less s same mc truth in the theory that the hen has bas inherited from her hr original tropical ancestors estors a digestive s system s 's tem tern that is turned to days daya and ni nights of equal length In the tropics where domestic fowls fowl originated days and nights are naturally about equal In Intemperate Intemperate Intemperate temperate regions however days 3 S 'S are ale much shorter during fall fail and winter than nights so that fowls not enjoy enjoy- enjo enjoying enjoying ing the advantage of artificial lights are forced to endure unnaturally long wai waits 8 between feeding times The Use of proper li lighting th therefore for ac- ac so a twofold len lengthens the It so fowls feeding tim m ean take more n a egg m egg foods and it also lav ates the disturbing oZ o lon long waits between feedings o To give best results houses he be l ln n 1 L i lighted as brightly as they are by lay day For this electric ledric lights are so sa far superior to all other othe k kinds that I even en to suggest sugg that everything everything- else can be used In of cases farmers a not close 2 electric lines have ed d d individual light plants plant and 00 oo paul paid for them out o of their heir inc eased cled profits In ordinary h houses hauses uses i Li JJ tov 18 feet deep on one watt 50 bulb t ten n fc feet t is is but every in d deper houses a row is Ls ne needed ded The Flie most favored time to light tight un is a m and l the Ii lights Ms up are d to remain on 01 until nat nat- nat natural ural da daylight li ht reaches full fun strength There is however a growing ten ten- dency tendency ten to light up from 6 a m to fun full fi daylight and again in the evening un- un uh- uh til until matil G 6 Gor or 7 p rn m This provides a 12 or 13 i hour nour lay day lay and is undoubtedly more convenient when automatic con con- con control of lights is not possible r or not the latter time is as effective c as the other can only be decided b by further experiment When the thc lights are turned on the hens jump down from Irons the roosts and begin eating the food that has been provided d drinking and often laying b before fore da daylight light Some men use lights for a time both morning and evening but I pC prefer er to have them turned on at about 5 30 a m in mand and let run until dali daylight ht Whatever er system slem is used be sure that the light h ht is b e di-e directed ted on the scratching ching floor and it should be bright enough h so the hens can cn see every particle of food material It will help considerably if the interi interi- interiors interi- interi interiors interiors ors of artificially lighted houses are whitewashed or painted white When c c lights are arc used they not nol only require very little attention but usually cost less to operate than any other system Furthermore they may beso be so arranged that lights are automatically switched on and ot off at atthe atthe the proper times times-a times a- a wonderful con con- convenience con convenience Although the value of arti arh artificial artificial li lighting may be questioned when electricity cannot be had I think there is not question but what lighting it is of decided value if electric light light- li in ing is jc used Certainly unless the theco co cost t of current is exorbitant a ti tidy profit is almost sur sure to re result boosting eg egg production when r isare r uy s 's s sare are at their peak 1929 by Dr L D LeGear Gear V S |