• 제목/요약/키워드: Slaughtered livestock

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개고기 식용이 위생과 음식물 쓰레기 처리에 미치는 영향 (The Effect of Dogmeat Eating on Sanitation and Food Waste Consumption)

  • 안용근
    • 한국식품영양학회지
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    • 제23권1호
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    • pp.124-133
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    • 2010
  • The total number of the dogs bred in Korea as of 2007 was 1,917,709, and among them, 77%, 1,476,776 dogs were edible dogs. Dogmeat has been legalized edible as food from Choseon dynasty, Daehan imperial state, Japan-occupied era till the present Korea. Dogs had been included in the article 2, Enforcement Ordinance of Processing and Disposal Rule of Livestock and Its Products until the end of Jan. 1979, but it was crossed out by the Notification No 3,005(Feb. 1 1979 effective) of the Minister of Agriculture and Marine Products, and as a result, the obligation that dogs should be slaughtered at the slaughtering ground was defunct. Thus, the arbitrarily dog slaughtering was empowered. As a matter of fact, the new law was not legalized in order to ban dogs from being slaughtered. The waste amount of slaughtered edible dogs amounts to 7,282 tons annually, and most of its waste from the arbitrarily-slaughtered dog is being illegally dumped without proper management and supervision. Edible dogs defecate 292,509 tons(calculates urine as dung) annually, but it is sanitarily disposed according to the Law of Management and Use of Livestock's Dung and Urine which took effective from Sep. 2009. Annual sales amount of edible dogs comes to 590 billion won on the basis of the shipment at breeding ground, but after passing through various level of marketing, and being processed as Gaesoju, and Boshintang, it forms 4 trillion won market when it reaches customers. The amount of food waste in Korea in 2007 came to 5,274,944 tons, and 633 billion won was spent for its disposal cost. Korean edible dogs of 1,476,776 heads consumed 1,266,705 tons, the 24% of total food waste. Edible dogs are the most effective means to convert food waste into food for man, not entailing the cost of disposal. On the other hand, pet dog culture brought about disposal cost, and the 51,188 dogs were abandoned at 2007, while 7 billion won was spent for the protection, euthanasia of them and the disposal of their dead bodies.

일본버크셔의 도살체중이 혈액성상과 돈육품질에 미치는 영향 (Effect of Slaughter Weight on the Blood Profile and Pork Qualities of Japan Berkshire)

  • 이제룡;허태영;서국현;남기윤;이진우;이정일;곽석준
    • 한국축산식품학회지
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    • 제25권4호
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    • pp.409-414
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    • 2005
  • The effects of slaughter weight on blood profile and pork qualities of japan berkshires were investigated A total 72 pigs were divided into 3 groups$(125\~130,\;105\~110\;or\;95\~104\;kg)$. At each slaughter weight pigs were conventionally slaughtered and then chilled overnight The carcass characteristics (carcass weight backfat thickness and grades) were determined on those carcass, the muscle longissimus dorsi was removed from each left side at 5th to 13th rib and meat qualities were evaluated. Blood profile including cortisol, creatine phos-phokinase (CPK), lactate dehydrogenase (LDH), glucose and phosphorus was not significantly (p>0.05) different among all slaughter weight, However, the calcium contents of pigs at $95\~104\;kg$ were significantly (p<0.05) higher than the other weights. The carcass weight and backfat thickness of pigs slaughtered at $125\~130\;kg$ were higher than those of $105\~110\;or\;95\~104\;kg$. The carcass grade of pigs slaughtered at $125\~130\;kg$ were significantly (p<0.05) lower than the other weight. The moisture contents of pigs slaughtered at $125\~130\;kg$ were significantly lower than the other weights, but crude protein contents were significantly (p<0.05) higher, Cooking loss and shear lone values of pigs slaughtered at $95\~104\;kg$ were significantly (p<0.05) lower than the other weight. CIE $a^*\;and\;b^*$ values of pigs slaughtered at $105\~110\;kg$ were significantly higher than the other weights. These results imply that the carcass characteristics (carcass weight and backfat thickness) could be affected by slaughter weight the cooking loss and shear force values of pigs slaughtered at $125\~130\;kg$ resulted in higher than those of $105\~110kg\;or\;95\~104\;kg$.

PARTICLE POOL SIZE AND TURNOVER RATE OF INGESTA IN THE RETICULO-RUMEN OF NORMAL AND ABSESSED SHEEP

  • Okamoto, M.;Miyazaki, H.;Oura, R.;Sekine, J.
    • Asian-Australasian Journal of Animal Sciences
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    • 제3권3호
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    • pp.243-246
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    • 1990
  • Sixteen mature sheep were fed chaffed orchardgrass hay once a day for 7 days. In 7th day, four sheep were slaughtered either prior to eating, 2, 8 or 16 hours after the commencement of eating to measure digesta pool size and particle size distribution in the reticulo-rumen. One sheep slaughtered at 8 hours after feeding had absesses at the cardia and in the lungs and could not ruminate normally. Time spent eating and rumination in the sheep on the day before slaughtering were 85 and 29 (pseudo-rumination 227) minutes a day, compared to those were 112 and 277 minutes in the other animals, respectively. Total actual chewing time in the sheep with absesses and the other animals were 98 and $373{\pm}132$ minutes, respectively. Dry matter(DM) intake in the sheep was $2.9g/kgBW^{0.75}$ which was only about 17% of that in the other animals. The pool sizes of reticulo-rumen DM and neutral detergent fiber (NDF) were somewhat smaller in the sheep than the others. The pool sizes of large particle (>1.18mm) DM and NDF in the animal were similar with those in the other animals. Mean DM retention time in the sheep was 207.4 hours which was about 4.2 times longer than that in the other animals.

Monthly Hanwoo supply and forecasting models

  • Hyungwoo, Lee;Seonu, Ji;Tongjoo, Suh
    • 농업과학연구
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    • 제48권4호
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    • pp.797-806
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    • 2021
  • As the number of scaled-up ranches increased and agile responses to market changes became possible, decision-making by Hanwoo cattle farms also began to affect short-term shipments. Considering the changing environment of the Hanwoo supply market and the response speed of producers, it is necessary quickly to grasp the forecast ahead of time and to respond accordingly in an effort to stabilize supply and demand in the Hanwoo market. In this study, short-term forecasting model centered on the supply of Hanwoo was established. The analysis conducted here indicates that the slaughter of Hanwoo males increases by 0.248 as the number of beef cattle raised over 29 months of age in the previous month increases by one, and 0.764 Hanwoo females were slaughtered under average conditions for every Hanwoo male slaughtered. With regard to time, the slaughtering of Hanwoo was higher in January and August, which are months known for holiday food preparation activities for the New Year and Chuseok in Korea, respectively. Simulations indicated that errors were within 10% in all simulations performed through the Hanwoo supply model. Accordingly, it is considered that the estimation results from the supply model devised in this study are reliable and that the model has good structural stability.

도축장 출하 돼지에서의 milk-spots 출현율 및 돈회충 감염에 관한 역학적 조사 (Epidemiological examination for milk-spots and ascariasis in slaughtered pigs)

  • 양하영;이정구;윤가리;라도경;박은정;이승환;김철완;김기호;이성모;황현순;김용희
    • 한국동물위생학회지
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    • 제31권2호
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    • pp.219-227
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    • 2008
  • Swine ascariasis is one of the major parasitic diseases to cause economic losses. This study was carried out to investigate the prevalence of Ascaris suum from slaughtered pigs and return the result to the farm (Feed - back). A total of 8,121 pigs (315 farms) were examined from January to November in 2007. The prevalence of farms detected with milk-spots was 42.9% (135 / 315 farms), and that of pigs with milk-spots was 7% (565 / 8,121 heads). Among 565 pigs with milk-spots, the pigs with grade 1 and grade 2 were 380 and 185, respectively. The percentage of pigs and farms detected with adult worm were 0.6% (45/8,121) and 7.3% (23/315) respectively. There was no statistical difference in affection rateamong seasons. The rate was 5.0% in spring, 8.8% in summer, 8.2% in autumn and 6.3% in winter. There was no enough difference in pig infection rate based on piggery type. The prevalence of milk-spots in stolic type and in sawdust one were 15% and 18.5%, respectively.

도계장 출하 닭에 대한 뉴캐슬병 항체가 조사 (A survey of Newcastle disease virus antibody titers on slaughtered chickens)

  • 허정호;이국천;조명희;김국헌;하대식;김종수
    • 한국동물위생학회지
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    • 제29권3호
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    • pp.267-276
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    • 2006
  • To investigate serum antibody titers of Newcastle disease (ND) virus, serum samples were collected from 19,774 slaughtered chickens from 862 farms in Geoje, Goseong, Tongyung and other province during the period from January 2001 to December 2005. The results obtained are summarized as follows; 1. The negative percentage of ND antibody titer with below 1.0 levels decreased from 46.7% in 2001 to 40.5% in 2004 but those of it increased to 47.0% in 2005 and the positive percentage of ND antibody titer with higher 5 levels increased from 15.8% in 2001 to 26.2% in 2005. 2. The season levels of ND antibody titer showed various levels according to seasons but the general trend of ND antibody titer decreased in the later half of the year than those of the first half of the year. 3. The negative percentage of ND antibody titer on provinces decreased from 52.0% (2001) to 36.2% (2004) in Goseong but those of it increased to 51.4% in 2005. The negative percentage of ND antibody titer of Tongyung and other provinces increased from 51.0%, 28.5% (2001) to 55.0% and 44.3% (2005), respectively. 4. The year average levels of ND antibody titer increased from 2.2 to 2.6 during 2001- 2004 but those of it decreased to 2.4 in 2005. The provinces average levels of ND antibody titer increased from 2.0 to 2.8 during 2001 - 2005 and others provinces except Gyeongnam decreased from 3.3 to 2.6 during the 2001-2005. 5. The farm average levels of ND antibody titer with below 1.0 levels decreased from 26.3% in 2001 to 10.2% in 2004 but those of it increased to 17.6% in 2005 and those of below 1.0 or 2.0 levels increased from 17.9% (2001) to 27.7% (2005). The protective levels of ND antibody titer with higher 5.0 levels increased from 2.1% in 2001 to 8.8% in 2005.

전북지역에서 발생한 돼지콜레라의 역학적 특성 (Epidemiological characteristics of classical swine fever outbreak at Jeonbuk area in 2003)

  • 엄성심;이정원;서이원;배정준;정동석
    • 한국동물위생학회지
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    • 제27권3호
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    • pp.239-247
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    • 2004
  • Classical swine fever (CSF) was confirmed in 19 herds in Jeunbuk provence (Iksan, Gimje, Wanju, Buan, and Jangsu) in Korea between March and May, 2003 and 10,263 pigs were slaughtered. Pigs contacted with CSF virus in primary outbreak farm show fever, reduced appetite, arched back and chill in company with sever respirative sign and then most infected farms also were observed to fever, reduced appetite, sudden death, and leukopenia (101 pigs). In order to detecting infectious pig with CSF virus, A total of 555 pigs were inspected in 65 herds and blood samples were collected and serological test (ELISA), antigen ELISA, and reverse transcription-polymerase chain reaction (RT-PCR) had been done. Positive rate were $74\%$ (410 pigs) in antibody ELISA, $2\%$ (11 pigs) in antigen ELISA and $33\%$ (182 pigs) in RT-PCR, respectively. As shown that the RT-PCR was useful than the ELISA for determining CSF virus in blood, meat, and other organs.

Developmental Competence of Oocytes Collected from Individual Ovaries of Slaughtered Korean Native Cattle with Grade of Meat Quality and Meat Yield

  • Kim, So-Seob;Kim, Ji-Sun;Park, Hum-Dae;Lee, Su-Kap;Park, Il-Kun;Lee, Dong-Won;Kim, Yun-Sik;Park, Yong-Su;Kim, Jae-Young;Park, Min-Chul;Lee, Jung-Hyung;Oh, Dae-Sik;Kim, Jae-Myeoung
    • 한국수정란이식학회지
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    • 제23권4호
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    • pp.291-298
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    • 2008
  • We separately cultured follicular oocytes collected from individual ovaries of slaughtered Korean native cows and examined both the embryonic development rate and pregnancy rate after embryo transplantation according to the meat yield and quality grades of the source beef carcass. Oocytes from meat yield grade B cows exhibited a higher fertilization rate and embryonic developmental rate to the eight-cell stage than oocytes from grade A or C animals (p<0.05), but there was no significant difference in rate of development to the blastocyst stage among meat yield grades A, Band C. The oocyte cleavage rate and development rate to the eight-cell stage from meat quality grade 3 cattle was higher than grades 1++, 1+, 1 and 2 (p<0.05). Embryos derived from grade animals displayed a development rate to the blastocyst stage of 19.4%, which was also higher than all other meat quality grades (p<0.05). Transplantation of in vitro-cultured oocytes from meat yield grade A ovaries led to a higher pregnancy rate (64.2%) than in vitro-cultured oocytes from meat yield grade B ovaries (56.5%), but there was no significant difference between the two groups in pregnancy or abortion rates. In conclusion, embryonic development rate and pregnancy rate has a close relation to meat quality grades of the source beef carcass, this results is to give information for the Korean native cows improvement of breed.

항구포자충제제의 사용 여부에 따른 구포자충 감염실태 조사 (A survey of chicken coccidiosis according to anti-coccidiosis drugs treatment in slaughtered chickens)

  • 허정호;정명호;김국헌;조명희;이국천;서종립;김충희;하대식;류재두;김곤섭;김의경;김종수
    • 한국동물위생학회지
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    • 제28권3호
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    • pp.275-284
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    • 2005
  • The present study was conducted to investigate the prevalence of Eimeria infection according to anti-coccidiosis drugs treatment in 1,300 slaughtered chickens from 130 farms in Gyeongnam, Jeonnam, Jeonbuk, Gyeongbuk and Chungnam during the period from October 2002 to August 2003. The prevalence of Eimeria infection by drug administration for treatment and prevention or non-administration was shown $71.4\%,\;82.6\%\;and\;72.3\%$, respectively, and so infection rate of chicken farms was similar independent on drug administration or not. The prevalence of Oocysts infection level of chicken farms by administrated drug for treatment was shown lower $(25.3\%)$ than for prevention $(35.4\%)$ and non-treatment $(36.2\%)$. The prevalence of Oocysts infection level by drug administration under 2 days for treatment was shown higher infection rate $(32.2\%)$ than over 3 days $(20\%)$ and also under 2 days for prevention has similar tendency of that of treatment and so, it was conclusion that administration of drug over 3 days has the effect for treatment and prevention of Eimeria infection. The prevalence of Oocysts infection level by age for prevention has various level from $48.8\%\;to\;22.9\%$ but on $22\~25$ days was shown the most higher ratio $(48.8\%)$ and on $19\~21$ days was shown the lowest rate $(22.9\%)$ among the all age groups.

돼지 분변 및 도체에서 분리한 대장균, 장구균의 항생제 내성율 조사 (Surveillance of antimicobial resistance ratio of E. coli and Enterococcus spp. isolated from fecal and carcasses of pigs in slaughterhouse)

  • 정귀옥;허정호;이종민;윤이란;최유정;김종수
    • 한국동물위생학회지
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    • 제33권3호
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    • pp.241-248
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    • 2010
  • The present study was conducted to investigate isolation and antimicrobial resistance ratio of E. coli, E. faecium and E. faecalis from feces(l50 samples) and carcasses (150 samples) on slaughtered pigs from 6 slaughterhouse of 13 cities in the Gyeongnam during the period from January 2009 to December 2009. Isolation ratio of E. coli from feces and carcasses were 98 (65.3%) and 110(73.3%), respectively, and simultaneously, E. faecalis and E. faecium from feces and carcasses were isolated 21 (14%), 52(34.7%) and 18(12%), 14 (9.3%), respectively. All E. coli isolated from feces and carcasses except cefepime (0%) and ceftiofur (0%) were exhibited 2.4~83.6% of resistance to teteracycline (83.6%), ampicillin (68.2%), streptomycin (60%), chloram-phenicol (53.8%) and cephalothin (2.4%). All E. faecalis isolated from feces and carcasses except penicillin(0%) and vancomycin (0%) were exhibited 2.7~80.8% of resistance to teteracycline (80.8%), quinupristin/dalfopristin (78%), erythromycin (56.1%), streptomycin (43.8%) and bacitracin (2.7%). All E. faecium isolated from feces and carcasses except gentamicin (0%), vancomycin (0%), florfenicol (0%), linezloid (0%) and bacitracin (0%) were exhibited 3.1~53.1% of resistance to rifampin (53.1%), erythromycin and tetracycline (25%), penicillin (15.6%), ciprofloxacin (9.3%), and streptomycin, chloramphenicol, and quinupristin/dalfopristin (3.1%). According to the heard size, resistance ratio of E. coli strains isolated from feces and carcasses in slaughtered pigs-breeding farms over 1,500 heard to tetracycline, ampicillin, streptomycin and chloramphenicol showed higher resistance ratio (1.0~16.8%) than those of farms-breeding under 1,500 heard. From the our results, we suggest that a few of antimicrobials were used in the Gyeongnam than the other cities.