The way to increase the security and live weight of chickens

 

(57) Abstract:

The invention relates to poultry, in particular to methods of enhancing the security and live weight of chickens, consisting in the use of pulsed electromagnetic radiation broiler chickens after they sample from hatchers regime In 2000, the current frequency of 50 Hz at Trichinella impact on 15 mode or 2500 V, 50 Hz single-pulse exposure setup EMU-9, which increases the safety 13.1-11.2 percent, lysozyme activity of serum 5,44-5,4%, and bactericidal activity of blood serum of 5.0 to 3.2%, live weight by 30.4-37,4 kg from 1000 heads. table 2.

The invention relates to poultry, in particular to methods of enhancing the security and live weight of chickens.

Known method of promoting functional state poultry to increase egg production and security of chickens, as well as increasing gain and security of broiler chickens method of influence on the water flow maximum values of the magnetic field at intervals of not less than 3 hours before drinking.

The disadvantage of this method is the need for material installation costs, long period it applied the RA stressoustoicivij chickens, where in the incubation of the eggs obtained from the evaluated individuals in the period from 1 to 19 day, reduce the temperature within one hour of 37.7 to 27.7oC, and then determine the viability of embryos and genotype chickens loci, and to stressoustojchivye include chickens, heterozygous for certain loci with viable embryos 60-100% (ed. St. USSR N 1436961, A 01 K 67/02, 1986).

The disadvantage of this method is its complexity, requires a lot of funds on laboratory studies and qualified employees.

Closest to the present invention is a method of screening for stressoustojchivosti chickens during their movement through the narrow horizontal support and the action of the electrical power source is a frequency of 4-7 Hz and energy 2-9 j. Discarded birds that fell from the tower (ed. St. USSR N 1464993, A 01 K 67/00, 29/00, 1989).

The disadvantage of this method is that there is no evidence of natural resistance and the rate of reaction selected individuals that cannot serve as full proof of their stressoustojchivosti.

The purpose of the invention is the improvement of safety and live weight of chickens. This goal is achieved by the use of pulsed electromagnetic radiation broiler chickens after their choice is Hz single-pulse exposure installing EMU-9. The proposed method was tested in OAO "Stavropol broiler. Studied the effectiveness of electromagnetic radiation (3000, 2500 and 2000 at 1, 2 and 3-h pulse exposure to 15 with the current frequency 50 Hz) installing the EMU-9 on the broiler cross "arbor Hikers (n = 1600) at day old.

During the experiment studied the effect of pulsed electromagnetic radiation on diurnal broilers on the state of their natural resistance during cultivation, preservation, live weight.

Indicators of natural resistance of broilers was determined in 56-days of age. The authors estimated the effect activity of blood serum (FOREPLAY) - turbidimetrically method and D. G. Dorofeyuk; bactericidal activity (BASK) - photoelectrocolorimetry method for changing the optical density of the meat-peptone broth with the growth in it G. Coli, (Miroshnikov C. M. the Natural resistance in poultry. - M.: Rosselchozizdat, 1985. - S. 116-122).

Example the first: Control group 160 naked broiler cross "arbor Hikers" day age was not irradiated with electromagnetic waves, contained as all groups by the conventional technology in the cells of R-15 to 40 goals. Safety during the growing period to 14, the activity of blood serum (FOREPLAY) 32,960,9, Lim 36-32; bactericidal activity of blood serum (BASK) 52,60,5 Lim 54-51; live weight at 63 days of age 134322; total yield live weight 158,5 kg including the highest category of 54.3%. The control group was inferior to safety experienced in 56 and 63 days of age (except for the irradiated electromagnetic waves regime 2500 V, 50 Hz, 3-h pulse exposure), respectively: 11.2-1.2 percent; in live weight exceeded experienced broilers irradiated mode 3000 V, 50 Hz 1, 2, 3 pulse exposure and 2000 V, 50 Hz, 2-h pulse exposure, respectively: 128, 45, 47, 38 g; total yield live weight (except for 2 modes) also yielded experienced 37.4-1,1 kg

Second example: an Experienced group of 160 heads broiler cross "arbor Hikers" in days age were irradiated regime In 2000, 50 Hz, 3-h pulse exposure to 15 C. the safety during the growing period to 14, 56, and 63 days of age, respectively: 100; 86,9; 86.9% of the indicators of natural resistance: FOREPLAY 38,4-0,6, Lim 37-30; BASK 57,60,5, Lim 59-56; live weight at 63 days of age 135915, the total yield live weight 188,9 kg, including the highest category of 65%. The advantage, in comparison with the control, was on security to 14, 56, and 63 days of age, respectively: 1,25; 11,9; 13,1%; FOREPLAY - 5,44%; BASK TO 5.0% (P < 0,999); iivonen with other modes advantages are more pronounced for the preservation 10.0-1,92%, FOREPLAY 5.1-1,52%, BASK 5.2 and 2.0% in live weight at 63 days of age second only to the broilers processed modes 2500 V 50 Hz, 2-h pulse exposure on 82,62 g (P < 0,95), and output body weight of the broilers processed regime 2500 V 50 Hz 1 pulse.

Example three: Experimental group 160 heads broiler cross "arbor Hikers" in days age were irradiated regime 2500 V 50 Hz 1 pulse exposure (15). Safety during the growing period to 14, 56, and 63 days of age, respectively: 98,7, 85,6, 85%, indicators of natural resistance CARESSES 38,30,4; Lim 40-37, BASK 54,70,6; Lim 56-53, live weight at 63 days of age 144117 total yield live weight 195,9 kg, including the highest category of 60%. The advantage in comparison with the control was on security, respectively: 0%, 10,6%, 11,2%; CARESSES OF 5.4%; BASK 3,2% (P > 0,99) live weight 98 g (P > 0,95); total output in live weight 37,4 kg, including the highest category of 5.7%.

In comparison with other modes (except mode 2000 50 Hz 3 pulses) benefits security accounted for 10.0 - 3.7 percent, CARESSES 6,8 - 1,4%, BASK 2,2 - 0,1% (P 0,95), live weight 22.4 - 20,0 g, total yield live weight 45.3 - 7,0 kg, including the highest category 10-5%.

Thus, it was established that the application of electromagnetic impulsegamer age with a clear advantage to 2000 3 pulse and 2500 In 1 and 2 pulse impacts, respectively, 13.1 - 11.2% in comparison with control (table. 1). The advantage of the experimental group on security of confirmed natural pronounced superiority of their lysozyme activity of serum 5.44 - 5,4%, bactericidal 5.0 to 3.2% at high confidence level (P > 0,999) and a clear difference in limits (PL. 2).

Studies have shown that exposure of broilers at 40 days of age the optimal regime (2000 In 3 pulses) and 50 days of age for 1.5 h 3000 V (25 pulses) did not change the performance of natural resistance and will not reflect negatively on productivity.

The authors found the ambiguity of the effects of electromagnetic waves of different voltage gains in live weight. So the exposure of broilers electromagnetic waves of high voltage 3000 In 1, 2, 3 pulse action contributed to the decrease in body weight in comparison with control at 63 days of age, respectively: 10,5%, 3,4%, 3,6% (P > 0,99 - 0,95). When the modes 2500 In 1,2,3 pulse action there is an increase in body weight, respectively, 7.9%, 5,5% and 1.2% (P > 0,99). In 2000 1,2,3-pulse impact significantly expressed differences with controls not marked. In General, it should be noted that in the groups with high safety is and live weight.

Thus, compared with the prototype and known technical solution, in order to increase the security and live weight of chickens should be applied modes of pulse irradiation broilers electromagnetic waves 2000 50 Hz with 3 or 2500 V 50 Hz single-pulse (15) the impact of the installation EMU-9.

Economic efficacy of pulsed electromagnetic radiation broilers at day old regime In 2000, 50 Hz, 3-h pulse and 2500 V 50 Hz optical effect due to the increase in body weight is 2.4-2.9 thousand rubles from 1000 heads in 1998.

The way to increase the security and live weight of chickens, consisting in the use of electromagnetic radiation broiler chickens after they sample from hatchers regime In 2000, the current frequency of 50 Hz, with Trichinella impact on 15 mode or 2500, the current frequency of 50 Hz with single-pulse exposure setup EMU-9.

 

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FIELD: poultry science.

SUBSTANCE: one should irradiate eggs before incubation with the light of He-Ne laser LHN-104, wave length being 632.8 nm, power density at eggs surface being 50 mW/sq.cm/sec, with red light of fluorescent lamp DNESG-500, wave length being 630-650 nm, power at eggs surface being 23.1 erg and with ultraviolet from DRT-400 lamp at wave length being 185-400 nm, average dosage at eggs surface being 20 merg in 3-min-long exposures.

EFFECT: higher resistance to pullorosis in poultry.

4 dwg, 4 tbl

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