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DUROC AS A TERMINAL SIRE LINE FOR FATTENING PIGS PRODUCTION 杜洛克作为育肥猪生产的终端父系
Pub Date : 2014-01-01 DOI: 10.54865/mjas1442055l
D. Lukač, V. Vidović, Vladislav Višnjić, Jovanka Krnjaić
Aim of this paper is to show productive results of fattening pigs obtained from crosses of Duroc sires, and F1 sows which are obtained from mating of Landrace and Yorkshire. Investigation is conducted on one commercial farm in which production undergoing trough all technological phases, from piglets production on the beginning till the final product which is fattening pigs. Growth traits were investigated on 3093 piglets which were divided in seven facilities. In lactation period of 26 days, gained body weight was 7.36 kg. In growing period which lasted 58 days, crosses obtained from Duroc sires have achieved daily weight gain of 0.50 kg and average body mass of 29 kg. In fattening period which lasted 85 days, average daily gain was 0.83 kg with achieved body mass of 70.89 kg. At the end of fattening period, fatlings have achieved final body mass of 107.30 kg in period of 159 day in total, with 59.70% of meat in carcass. Total feed consumption per fatlings was 192 kg. Total losses in fattening period were 5% (2.8% mortality and 2.2% economic slaughters). This high level of productive performance, combined with the high meat percentage in carcass of fattening pigs, lids to a conclusion which explain the popularity of the Duroc breed as a sire line in many countries.
本文的目的是展示由杜洛克母猪杂交获得的育肥猪,以及由长白和约克郡杂交获得的F1母猪的生产效果。调查是在一个商业农场进行的,该农场的生产经历了从仔猪生产开始到最终产品育肥猪的所有技术阶段。对3093头仔猪在7个饲养设施中进行生长性状研究。泌乳期26 d,增重7.36 kg。育成期58 d,杜洛克系杂交品种日增重0.50 kg,平均体质量29 kg。育肥期85 d,平均日增重0.83 kg,实现体质量70.89 kg。育肥期结束时,共育肥159 d,最终体质量达到107.30 kg,胴体肉率为59.70%。每头育肥仔的总采食量为192公斤。育肥期总损失为5%(死亡2.8%,经济屠宰2.2%)。这种高水平的生产性能,再加上育肥猪的胴体肉率高,可以解释杜洛克品种在许多国家作为父系的受欢迎程度。
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引用次数: 1
INFLUENCE OF SOME FACTORS ON DAILY MILK PRODUCTION IN AWASSI BREED OF SHEEP IN MACEDONIA 一些因素对马其顿阿瓦西羊日产奶量的影响
Pub Date : 2014-01-01 DOI: 10.54865/mjas1441001p
N. Pacinovski, E. Eftimova, N. Mateva, B. Palaševski, G. Cilev, N. Adamov
Nikola Pacinovski, Elena Eftimova, Natasa Mateva, Bone Palasevski, Goce Cilev, Nikola Adamov “Ss. Cyril and Methodius” University in Skopje, Institute of Animal Science, Blvd. Ilinden, 92a, 1000 Skopje, Republic of Macedonia “St. Clement of Ohrid” University of Bitola, Veterinary Faculty, Prilepska bb, 7000 Bitola, Republic of Macedonia “Ss. Cyril and Methodius” University in Skopje, Faculty of Veterinary Medicine, Lazar Pop Trajkov, 1000 Skopje, Republic of Macedonia npacinovski@yahoo.com
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引用次数: 4
ESTIMATING THE SUPPLEMENT INTAKE, HAY REPLACEMENT VALUE, AND ECONOMICS OF A CORN DISTILLER’S GRAIN LICK-TUB SUPPLEMENT WHEN FED TO PRE- AND POST-CALVING BEEF COWS 对产犊前后的肉牛饲喂一种玉米蒸馏器谷物舔桶添加剂的补充摄入量、干草替代价值和经济性进行评估
Pub Date : 2014-01-01 DOI: 10.54865/mjas1441015s
S. Senturklu, D. Landblom
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引用次数: 0
COMPARISON OF EGG WEIGHT AND EGG SHELL STRENGTH IN TWO GENOTYPES OF LAYING HENS 两种基因型蛋鸡蛋重和蛋壳强度的比较
Pub Date : 2014-01-01 DOI: 10.54865/mjas1441011n
N. Nikolova, D. Kocevski, G. Bunevski, V. Džabirski, V. Vuković, K. Porcu, M. Tanevski, G. Tasev, D. Simonoski
University “Ss. Cyril and Methodius” in Skopje, Institute of Animal Science, 11 Blvd. Ilinden 92a, 1000 Skopje, Republic of Macedonia 12 Institute for Animal Biotechnology, Faculty for Agricultural Science and Food, 13 University "Ss. Cyril and Methodius” in Skopje 14 Blvd. Aleksandar Makedonski bb, 1000 Skopje, Republic of Macedonia 15 NGO SREBRA, Association of Breeders of Domestic Village Chickens, 16 Ivan Naumov Alabakot Str. 63a, 1000 Skopje, Republic of Macedonia 17 nikolova13@gmail.com 18
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引用次数: 1
DIGESTIBILITY OF FAT IN BROILER CHICKENS INFLUENCED BY DIETARY ADDITION OF SPICE HERBS 饲粮添加香料对肉鸡脂肪消化率的影响
Pub Date : 2014-01-01 DOI: 10.54865/mjas1442061p
N. Puvača, D. Ljubojević, D. Lukač, L. Kostadinović, V. Stanaćev, S. Popović, M. Baloš, N. Nikolova
This experiment was conducted to investigate the effects of garlic (Allium sativum L.), black pepper (Piper nigrum L.) and hot red pepper (Capsicum annuum L.) in broiler chicken nutrition on productive performances and crude fat digestibility. For biological research eight treatments with 1200 broiler chickens of hybrid line Hubbard in total were formed, in four replicates. Control treatment (T1) was fed with standard commercial mixtures based on corn meal and soybean meal. Experimental groups were fed with same commercial mixtures with addition of spice herbs as follows: garlic 0.5 (T2) and 1.0 g/100 g (T3), black pepper 0.5 (T4) and 1.0 g/100 g (T5), hot red pepper 0.5 (T6) and 1.0 g/100 g (T7) and mixture of garlic, black pepper and hot red pepper (1:1:1) in total of 0.5 g/100 g (T8). During the preparation period (first two weeks) chickens were fed with starter mixtures diets without addition of spice herbs. After this period, starter and grower diets were prepared according the plan till the end of experiment (42 days). At the end of experiment and on the basis of gained results it can be concluded that the chickens at experimental treatments T6 and T7 achieved statistically significant (p 0.05) between experimental treatments. In this experiment addition of garlic, black pepper and hot red pepper had significant influence on fat digestibility and utilization as well as better production results compared to a control treatment.
本试验旨在研究肉鸡营养中大蒜(Allium sativum L.)、黑胡椒(Piper nigrum L.)和红辣椒(Capsicum annuum L.)对生产性能和粗脂肪消化率的影响。生物学试验采用哈伯德杂交种肉鸡共1200只,分4个重复,共8个处理。对照处理(T1)饲喂以玉米粉和豆粕为基础的标准市售混合物。试验组分别饲喂大蒜0.5 (T2)和1.0 g/100 g (T3)、黑胡椒0.5 (T4)和1.0 g/100 g (T5)、红辣椒0.5 (T6)和1.0 g/100 g (T7)、大蒜、黑胡椒和红辣椒的混合物(1:1:1),共0.5 g/100 g (T8)。在准备期(前两周),饲喂不添加香料的混合发酵剂饲粮。试验结束后,按计划配制发酵剂和生长剂,直至试验结束(42 d)。试验结束时,根据所得结果,试验处理T6和T7的鸡在试验处理之间的差异具有统计学意义(p 0.05)。本试验中,大蒜、黑胡椒和红辣椒的添加对脂肪消化率和利用有显著影响,生产效果优于对照处理。
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引用次数: 10
FATTY ACID COMPOSITION OF PORK AS AFFECTED BY DIETARY VITAMIN E SUPPLEMENTATION AND COOKING 膳食维生素e补充和烹调对猪肉脂肪酸组成的影响
Pub Date : 2014-01-01 DOI: 10.54865/mjas1442069p
T. Popova
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引用次数: 0
EFFECT OF COLD PLASMA ON WHEAT FLOUR AND BREAD MAKING QUALITY 冷等离子体对小麦粉及面包品质的影响
Pub Date : 2014-01-01 DOI: 10.54865/mjas1441027m
M. Menkovska, M. Mangova, Krasen Dimitrov
Cold plasma is an environmentally friendly technology that meets the present ecological requirements. Plasma is not accumulated in end-used products. As the cold plasma is produced just before usage, there are no requirements either for storage or activation procedure. Cold plasma has an oxidation-reduction potential. In the bread baking industry it is used in dough systems to whiten the flour and subsequent bread crumb. Also to promote disulfide bond formation between glutenin proteins, that improves dough strength. Experiments have been realized to evaluate the influence of cold plasma treatment on the flour and bread-making quality without the use of any additives. Wheat flour was treated with cold plasma in counter flow exchange by using the device "Plason". Exposure: concentration of 1000 ppm at 2.5 L/minute. Time exposition: 45 minutes. Because gas dissociates quickly into molecular oxygen the assessment of wheat flour was made first just after treatment, and then five days later. As a result of cold plasma treatment, the treated flour has a brightly creamy color, unlike untreated flour. The content of wet gluten has gone down a little due to deterioration of its hydration capacity but gluten quality was increased. Improvements in dough structural and mechanical properties such as, increasing dough stability and dough strength, reduction of dough softening, all have been observed. The results obtained showed that cold plasma has an effect on bread structural and mechanical properties. The loaves baked just after treatment demonstrated expansion of the total and specific volume along with enhancement of their appearance and porosity structure.
冷等离子体是一种符合当前生态要求的环保技术。血浆不会在最终使用的产品中积累。由于冷等离子体是在使用前生产的,因此不需要储存或激活程序。冷等离子体具有氧化还原电位。在面包烘焙工业中,它被用于面团系统中,以使面粉和随后的面包屑变白。也可以促进谷蛋白之间的二硫键形成,从而提高面团的强度。在不添加任何添加剂的情况下,实现了冷等离子体处理对面粉和面包品质影响的实验研究。利用等离子体装置在逆流交换中对小麦粉进行冷等离子体处理。暴露:浓度1000ppm, 2.5升/分钟。时间说明:45分钟。由于气体很快解离成分子氧,所以对小麦粉的评估首先在处理后进行,然后在5天后进行。由于冷等离子体处理的结果,处理过的面粉具有明亮的奶油色,不像未经处理的面粉。湿面筋的含量因水化能力下降而略有下降,但面筋质量有所提高。改善面团结构和机械性能,如增加面团稳定性和面团强度,减少面团软化,都已观察到。结果表明,冷等离子体对面包的结构和力学性能有影响。处理后烘烤的面包总体积和比容增大,外观和孔隙结构增强。
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引用次数: 15
TRANS-CERVICAL ARTIFICIAL INSEMINATION IN EWES DURING OUT OF BREEDING SEASON 非繁殖期母羊经宫颈人工授精
Pub Date : 2013-01-01 DOI: 10.54865/mjas1332143r
M. Rashidi, F. Cedden
The study was conducted to determine the effect of transcervical insemination with frozen thawed semen in synchronized ewes at the anestrus phase. A total of 100 ewes (crossbred of Akkaraman, Sakız, Border Leichester, Lincoln, Ile de France) at the Animal Science Research Center of the Ankara University were used. Estrus was synchronized with progestagen-impregnated vaginal sponges for 14–16 days in January. Following synchronisation of oestrus, 750 IU PMSG was injected per ewe. Ewes were artificially inseminated with frozen semen after 3–4 h intracervical administration 50–100 mg of PGE1 analogue (misoprostol) for each. Lambing, infertility and prolificacy rates were found as 44.87%, 55.12% and 91.02% in natural-mated group and 68.18%, 31.81% and 109.09% in the misoprostol group, respectively. Fertility rate was numerically increased in the misoprostol group compared to the control. Infertility rate was also numerically decreased in the treated group in comparison with the control ewes. The results indicated that acceptable fertilization and pregnancy rates could be obtained in estrous synchronized and transcervically inseminated ewes after misoprostol treatment.
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引用次数: 5
CARCASS EVALUATION OF BROILERS FED ON DECORTICATED FERMENTED PROSOPIS AFRICANA G. SEED MEAL 去皮发酵非洲藜籽粕对肉鸡胴体的影响
Pub Date : 2013-01-01 DOI: 10.54865/mjas1331045d
N. Yusuf, D. Ogah, D. Hassan, M. M. Musa, Maikano Mohammed Ari, U. Doma
The study was conducted to determine the carcass characteristics of broiler birds fed on prosopis seed meal. Two hundred and forty day-old Anak 2000 broiler chicks were used for the trial. Five experimental diets containing 0, 25, 50, 75 and 100% DFPSM were fed to broilers for 8 weeks. The experiments were in a completely randomized design (CRD) with five treatments, each replicated four times with 48 birds per treatment and 12 birds per replication.The parameters measured were live weight, plucked and dressed weight and internal organs. The average live weight of broilers ranged from 2.50 to 2.85 kg in each dietary group and were significantly (P 0.05) except lungs and kidney that were significantly affected (P<0.05). The result indicated that DFPSM could completely (100%) replace soyabean in the diet of birds with out depression of performance and carcass yield.
本试验研究了食用假豆籽粕的肉仔鸡的胴体特性。试验选用240只日龄Anak 2000肉鸡。分别饲喂含0、25、50、75和100% DFPSM的试验饲粮,饲喂8周。试验采用完全随机设计(CRD), 5个处理,每个处理重复4次,每个处理48只鸟,每个重复12只鸟。测定的参数为活重、拔毛重、剥毛重和内脏。各饲粮组肉鸡平均活重在2.50 ~ 2.85 kg之间,除肺和肾受到显著影响(P<0.05)外,其余各组肉鸡平均活重均受到显著影响(P<0.05)。结果表明,DFPSM可完全(100%)替代禽类饲粮中的大豆,且不影响禽类生产性能和胴体产量。
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引用次数: 0
MAKEING A PLAN OF BIOSECURITY ON A CATTLE FARM 制定一个养牛场的生物安全计划
Pub Date : 2013-01-01 DOI: 10.54865/mjas1331009n
A. Nitovski, M. Milenković, B. Radović, V. Milanović, D. Grcak, M. Grcak
On a farm infectious diseases may occur by introducing infected animals, introduction of cattle in the incubation period, carcasses of animals that were not removed properly, vehicles, equipment, clothing and shoes of visitors or employees who have contact with other herds, more often contact with the herd, contact with other animals (horses, dogs, cats, wildlife, rodents, birds, insects), but also by contaminated objects, contaminated food, and improper management of manure when it comes to the creation of dust and scattering (Hristov, 2007). To prevent introduction of infection to the farm or farms in the environment, we use primary and secondary Biosafety measures. The most effective implementation of biosecurity measures on farms provides a development plan for that farm biosecurity. We have developed the biosecurity plan based on detailed observation and analysis of the relevance of indicators and on biosecurity which includes: 1. Making and submitting a written plan for achieving and maintaining biosecurity on farm production based on keeping proper records; 2. Isolation of he farm as a whole or individual segments of manufacturing and production operations; 3. Introduction of newly acquired animals in a herd; 4. Health of the herd; 5. Evaluations of the personnel and the equipment; 6. Traffic and movement control; 7. Attitude towards visitors; 8. Control of food and water; 9. Manure; 10. Disposal of carcasses of dead animals; 11. Relationship to other animals on the farm; 12. Population control of rodents and birds; 13. Sanitation (Stankovic et al,, 2010).
在农场,传染病可能通过以下方式发生:引入受感染的动物、引入处于潜伏期的牛、未被妥善清除的动物尸体、与其他畜群接触的访客或雇员的车辆、设备、衣服和鞋子,更经常是与畜群接触、与其他动物(马、狗、猫、野生动物、啮齿动物、鸟类、昆虫)接触,但也可能通过受污染的物体、受污染的食物。以及不当的粪便管理,当涉及到灰尘的产生和散射(Hristov, 2007)。为了防止感染进入农场或农场的环境,我们采用一级和二级生物安全措施。农场生物安全措施的最有效实施为农场生物安全提供了发展计划。我们在详细观察和分析指标相关性和生物安全的基础上制定了生物安全计划,其中包括:1。在保存适当记录的基础上,制定并提交实现和维持农业生产生物安全的书面计划;2. 隔离农场整体或个别环节的制造和生产业务;3.在畜群中引进新获得的动物;4. 畜群的健康;5. 对人员和设备的评价;6. 交通和运动控制;7. 对待访客的态度;8. 控制食物和水;9. 肥料;10. 处理动物尸体;11. 与农场其他动物的关系;12. 控制啮齿动物和鸟类的数量;13. 卫生设施(Stankovic et al, 2010)。
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引用次数: 0
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Macedonian Journal of Animal Science
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