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인삼 Saponin 이 닭이 성장 및 번식능력에 미치는 영향
홍병주,김정익,김우호,이영철 ( Beong Ju Hong,Chung Ik Kim,Uh Ho Kim,Young Chul Rhee ) 한국축산학회 1976 한국축산학회지 Vol.18 No.5
This experiment was carried out to determine the effect of feeding Ginseng Crude Saponin (GCS) on the body weight gain and reproductive performance of click under normal and stressed circumstance. The GCS was administered to chicks orally in the amount of 4㎎, 20㎎ and 100㎎ per ㎏ body weight contineously for seven weeks. In Pilch cockerel trial, GCS was fed in the amount of 25㎎ and 100㎎ per ㎏ body weight for four weeks (from 18th wks. of age to 22th wks.) under the restricted feeding condition. The results obtained were summarized as follows: 1. No significant differences were found in body weight gain, feed efficiency and retention of nutrients such as protein, fat and energy among the treatments. 2. No moticeable difference was observed in organ weight such as liver, adrenal, bursa of fabricius, spleen and pancreas. However, the weight of bursa of fabricius and spieen which is known to produce plasma cell were appeared to decreased in the group received stress by means of inoculating Salmonella pullorum. 3. Total cholesterol content of serum and liver tissue were found to decrease with the administration of GCS, the cholesterol. content showed apparent reduction in the group received the stress comparing the normal group. 4. Pilch cockeral group which was administered the GCS ire the amount of 50㎎ and 100㎎ were found to increase the width and length of testis and 100㎎ of GCS administration group was observed to increase the weight of testis comparing the control group, but there were no significant difference among the treatments. Diameter of seminiferous table value appeared the highest size in the group of 100㎎ GCS administration in comparison with other treatments(p$lt;0.01).
Holstein 수소와 거세우 및 Zeranol 투여 거세우의 성장 단계별 혈액상과 혈청 대사물질 및 호르몬 농도의 변화
홍병주,김종복,김현섭,권응기,남기택,윤상기 한국동물자원과학회 2001 한국축산학회지 Vol.43 No.4
This experiment was conducted to investigate changes in hematological values and concentrations of serum metabolites and hormones during the growth of Holstein bulls, steers and steers with Zeranol injection. Animals were assigned into 3 groups, bull group (n=8), steer group (n=8) and zeranol group (n=8, injected with zeranol from 80㎏ to 450㎏ BW). Sixteen Halstein steers in steer group and Zeranol group were castrated at 2 month after birth and zeranol group was injected hypodermically with 36㎎/head of zeranol on the tail side at every 90 day. RBC, Hb, HCT values of zeranol group at the final stage of 650㎏ were significantly decreased and MCHC value was increased compared with steer group (P$lt;.OS), but WBC, MCV and MCH values remained same. Serum glucose concentrations of animals at 300㎏ BW were higher compared with those at different growing stages. Although all chemical values in serum at 500㎏ were not different between the treatment groups, SUN, albumin, cholesterol, triglyceride and calcium concentrations of zeranol group at the final stage (650㎏) were higher than those of other groups. Serum IGF-I concentration at the start of the experiment was not different among the treatments ranging from 5.24 to 8.29ng/㎖ and started to increase afterhood until animals reached 300㎏ of body weight. At 300㎏ BW, serum IGF-1 concentration of bull group was higher than that of steer group (350.2 vs 266.2ng/㎖, P$lt;.05). At 500㎏ BW, IGF-I concentrations of bull group and zeranol group were 525.6 and 504.6ng/㎖ respectively which are higher (P$lt;.05) than that of steer group (398.7ng/㎖). Similarly, serum insulin concentration was not different between treatments until animals reached 300㎏ BW ranging from 5.65 to 7.81ng/㎖. However, at 500㎏ BW bull group showed significantly lower (17.35ng/㎖) insulin concentration than that (24.76ng/㎖) of steer group (P$lt;.05).
유기축산 사료첨가제로서 소나무껍질 추출물 피타민의 산란계에 대한 급여 효과
홍병주,박병성,김병완,오진석 한국유기농업학회 2008 韓國有機農業學會誌 Vol.16 No.2
This study was conducted to evaluate the effects of dietary pitamin, pine bark extracts, as a organic livestock feed additives on the egg production and egg quality of laying hens. One hundred-fifty laying hens (Hyline brown) were randomly allocated to one of the following 3 treatment groups for 6 weeks: control, pitamin 0.1% and pitamin 0.2%. The egg production of hens fed the diet containing 0.1% pitamin was similar to that of the control; however, the egg production of the pitamin 0.2% group was significantly lower than that of the other groups (p<0.05). Additionally, the Haugh unit was higher in groups fed diets that contained 0.1% or 0.2% pitamin than in the control group (p<0.05), but no significant difference in egg shell thickness and egg shell breaking was observed between the pitamin 0.1% group and the control group. Furthermore, the concentration of cholesterol in eggs produced by the pitamin 0.1% group was significantly lower than that of the other groups (p<0.05). Moreover, the saturated fatty acid content of eggs from hens in the pitamin 0.2% group was lower than that of eggs produced by hens in the other groups, whereas the unsaturated fatty acid content of eggs produced by hens in the pitamin 0.2% group was higher than that of eggs produced by hens in the other groups (p<0.05). Finally, the values corresponding to the storage days, Haugh unit, yolk index and albumin index of eggs produced by hens that were provided with a diet that contained 0.1% or 0.2% pitamin were significantly higher than those of the control group (p<0.05). Taken together, these results suggest that providing hens with a diet supplemented with 0.1% pitamin as a organic livestock feed additives may extend the shelf-life of eggs with maintaining the egg quality and egg production in laying hens.
홍병주,이영철 ( B . J . Hong,Y . C . Rhee ) 한국축산학회 1973 한국축산학회지 Vol.15 No.3
This experiment was conducted to compare the effects of antibiotic additives(baciferm, aurofac, SMS and terramycin 3+3) on body weight gain and some lymphoid tissues of broiler chicks. The results obtained were summarized as follows: 1. All of the antibiotic additive treatments showed higher weight gain(1.5-8%) than that of control, but the growth rate was varied according to the kind of antibiotics. 2. When antibiotics were added, the weight of adrenal, bursa of fabricius, spleen, colon and pancreas were heavier than those of antibiotic free treatment.
홍병주,이영철 ( B . J . Hong,Y . C . Rhee ) 한국축산학회 1974 한국축산학회지 Vol.16 No.1
Two experiments were carried out to determine the effect of supplementing chicken diets with various non-protein nitrogen compounds as a partial substitute for the protein, and to know the amount of nitrogen absorbed from various segments of the small intestine when the birds fed NPN supplemented diets. The results obtained are summarized as follows: 1. When the chicks were fed low protein diets containing various NPN sources, certain ammonium nitrogen such as urea, diammonium citrate and triammonium phosphate can be utilized well by growing chicks up to the level of 2% protein equivalent. 2. The effectiveness of a nitrogenous compound as a nitrogen source for the chick depends on its ability to supply NH₂ groups and may be varied according to its kind, palatability, solubility, pH and toxicity of the ammonia yielding compound. Some of the NPN (Monoammonium phosphate, ammonium oxalate and ammonium bicarbonate) brought out the growth depression on the chick. 3. Plasma ammonia and uric acid concentrations increased in general when the birds fed NPN supplemented diets. Especially, plasma ammonia and uric acid values increased markedly when birds were fed the diets containing diammonium citrate and diammonium phosphote. 4. In the 5-week-old chicks, when diammonium citrate and urea were fed to supply 2% protein equivalent in a high protein diets which met all the essential amino acid requirements, urea supplemented diets improved growth rate. On the other hand, diammonium citrate supplemented diets decreased growth rate compared to the same diet without NPN source. 5. Most of nitrogen ingested disappeared in the upper jejunum. Presumably, when the birds fed diets containing NPN supplements gave poor growth rate, the nitrogen absorption was depressed, too.