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A Comparative Study on Prevalence of Major Reproductive Health Problems of Indigenous and Cross Breed Dairy Cattle in Jimma Zone, South Western Ethiopia 埃塞俄比亚西南部吉马地区土著奶牛与杂交奶牛主要生殖健康问题患病率的比较研究
Pub Date : 2021-04-29 DOI: 10.11648/J.AVS.20210902.12
Galana Abaya, A. Kebede, Kula Jilo
The objective of the current study was to assess the major reproductive health problems and associated risk factors of dairy cattle in and around Jimma town, South–Western Ethiopia in the current study; out of 343 cows investigated (28%) were found to be positive for at least one reproductive health problems. The major reproductive health problems identified in the current study were retained fetal membrane (8.75%), abortion (7%), dystocia (6.4%), vaginal prolapsed (2.2%), still birth (2.0%), anestrous (0.6%), prolonged calving (0.6%) and repeat breeding (0.6%). The association was statistically significant (p<0.05). The prevalence of major reproductive health problems were found to be 3.72 times higher in Kersa and 1.43 times higher in Dedo district than Jimma town, while in Agaro and Saka were 0.5 and 0.95 times lower than Jimma town and the difference was statistically significant (P =0.029). Furthermore, cross breed cows were 0.55 times less likely prone to reproductive health problems than local breeds and the difference statistically significant (P=0.01). The multi-parous cows were 1.4 times more vulnerable to reproductive health problems than primiparous (P=0.007). Body condition score was also significantly contributing to the presence of reproductive health problems (P=.011). Current study revealed that major reproductive health problems are responsible for the low reproductive performance of dairy cows in the study area. Therefore, creating awareness among farm owners and animal attendants concerning reproductive health problems and their prevention mechanisms, as well as further study on identifying the specific causative agents were recommended of reproductive health problems should be conducted.
本研究的目的是评估本研究中埃塞俄比亚西南部吉马镇及其周边地区奶牛的主要生殖健康问题和相关风险因素;在调查的343头奶牛中(28%)发现至少有一种生殖健康问题呈阳性。目前研究中确定的主要生殖健康问题是胎膜保留(8.75%)、流产(7%)、难产(6.4%)、阴道脱垂(2.2%)、死产(2.0%)、失情(0.6%)、产期延长(0.6%)和重复繁殖(0.6%)。相关性有统计学意义(p<0.05)。主要生殖健康问题患病率克尔萨区比吉马镇高3.72倍,德多区比吉马镇高1.43倍,阿加罗区和萨卡区比吉马镇低0.5倍和0.95倍,差异有统计学意义(P =0.029)。杂交奶牛出现生殖健康问题的可能性是地方品种的0.55倍,差异有统计学意义(P=0.01)。多产奶牛发生生殖健康问题的可能性是初产奶牛的1.4倍(P=0.007)。身体状况评分对生殖健康问题的存在也有显著影响(P= 0.011)。目前的研究表明,主要的生殖健康问题是导致研究区奶牛繁殖性能低下的原因。因此,建议提高农场主和动物管理人员对生殖健康问题及其预防机制的认识,并进一步研究确定生殖健康问题的具体病原体。
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引用次数: 0
Review on Feed Resources with More Emphasis on Use of Cassava and Sweet Potato Meal in Chicken Diet: Ethiopia 饲料资源综述,重点是木薯和甘薯粉在鸡日粮中的应用:埃塞俄比亚
Pub Date : 2021-03-30 DOI: 10.11648/J.AVS.20210902.11
T. Tadesse
This review paper is aimed to focus on feed resources with more emphasis on use of cassava and sweet potato meal in Chicken diet in Ethiopia. Poultry production has significant socioeconomic roles in developing countries like Ethiopia. Households keep chickens for home consumption, selling and breeding purposes and other purposes such as social and cultural purposes. The chicken farming in Ethiopia is predominantly backyard type of farming system and it is generally disadvantaged since the poor management. According to different research results, the commonly available sources of feeds for chickens includes cereal crops and their aftermaths and household waste products or left overs. Roots and tuber crops can be incorporated in different substitution levels in chickens’ diet. Sweet potato and cassava are among the root and tuber crops and can be incorporated in chickens’ diet. Substitution of sweet potato in broilers diet enhances feed consumption, growth performance and edible meat characteristics of chickens. Accordingly, addition of sweet potato meal in the ration of chicken causes no any impact on edible meat quality and it may possibly substitute up to 50% maize in broiler finisher ration without detrimentally upsetting production performance of chickens. Besides, the tuber meal of sweet potato can also be incorporated up to 25% in layers ration causing no damaging result on the performance of layer chickens. The tuber of cassava will be cut up and dried up, and milled or pelletized and incorporated in chickens’ diet and it can also be included in broilers diet and capable of substituting 50% maize in broilers ration with no adverse effect on their performances and addition of 40% cassava flour or addition of 20% cassava peel meal in layer’s ration is pleasing for laying performance of chickens.
本文旨在关注埃塞俄比亚的饲料资源,重点关注木薯和甘薯粉在鸡日粮中的使用。家禽生产在埃塞俄比亚等发展中国家具有重要的社会经济作用。家庭养鸡用于家庭消费、销售和养殖以及其他目的,如社会和文化目的。埃塞俄比亚的养鸡主要是后院式的养殖系统,由于管理不善,它通常处于不利地位。根据不同的研究结果,鸡饲料的常见来源包括谷类作物及其副产品和家庭废物或剩余物。块根和块茎作物可在鸡日粮中以不同的替代水平添加。甘薯和木薯属于块根和块茎作物,可以添加到鸡的饲料中。在肉鸡饲粮中替代红薯可提高鸡的饲料消耗、生长性能和食用肉特性。因此,在肉鸡日粮中添加红薯粉对食用肉质没有影响,在不影响鸡生产性能的情况下,红薯粉可替代肉鸡育肥肉日粮中高达50%的玉米。此外,在蛋鸡日粮中添加高达25%的甘薯块茎粕,对蛋鸡生产性能无损害。木薯块茎经切干、碾磨或制粒后加入鸡的日粮中,也可加入肉仔鸡的日粮中,可替代肉仔鸡日粮中50%的玉米,对肉仔鸡的生产性能无不良影响,在蛋鸡日粮中添加40%木薯粉或20%木薯皮粕对鸡的产蛋性能有利。
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引用次数: 3
Effect of the Ensiled Taro with Rice Wine by Product or Fish Meal Fed Basal Diet of Rice Bran on Digestibility and Nitrogen Retention of Growing Pigs 米糠基础饲粮中添加黄酒和鱼粉青贮芋头对生长猪消化率和氮沉积的影响
Pub Date : 2021-03-26 DOI: 10.11648/J.AVS.20210901.14
C. Phiny, K. Saroeun, Ros Vanchey
Eight castrated male crossbred pigs (Large White x Local breed) of average live weight 25 kg were given four diets in a double 4*4 Latin square arrangement. The experiment included 4 periods, each of 12 days, 7 days for adaptation and 5 days for collection of feces and urine. The pigs were vaccinated against salmonellosis, pasteurellosis and hog cholera. The experiment was carried out from 08th September 2020 to 20th November 2020, at the research station of Svay Rieng University (SRU), located in Svay Rieng Province, Cambodia. The total intakes of DM, CP and OM were higher in the treatments that contained rice wine by product (RW20) and rice wine by product plus fish meal (RW20FM10). As the percentages of CF, NDF and ADF were lower intakes of these fractions in the treatment without used the rice wine by product (RW0) or used rice by product plus fish meal (FM10). There were no consistent differences in apparent digestibility of DM, OM, CP and ADF, except CF and NDF among the diets. The values were relatively high for all the treatments contained rice wine by product while the basal diet of rice brain was mixed but except the values of CF and NDF. The apparent digestibility of DM, OM and CP increased when the diets were mixed with rice wine by product. The values for N retention, expressed as g/day or as a percentage of N intake or N digested, were highest for the diet with mixed rice wine by product with a tendency for the diet without mixed rice wine by product (FM10) to be also better than the diets without rice wine by product or fish meal (RW0). When the data for N retention were corrected for differences in N intake therefore the differences in N retention were more pronounced in favor of the diets containing rice wine by product (RW20 and RW20FM10) or without rice wine by product (FM10). The conclusion was the supplement of a mixture of the ensiled taro with rice wine by product in the diets contained RW20 and RW20FM10, were higher apparent digestibility of DM, CP, OM and CF, and higher N retention, than when supplement was only ensiled taro without rice wine by product (RW0) or fish meal (FM10), mixed with a basal diet of rice brain.
选取8头平均活重25 kg的阉割雄性杂交猪(大白猪×地方品种猪),采用双4*4拉丁方形布局,饲喂4种饲粮。试验分为4期,每期12 d,其中适应期7 d,收集粪尿期5 d。这些猪接种了沙门氏菌病、巴氏杆菌病和猪霍乱疫苗。该实验于2020年9月8日至2020年11月20日在位于柬埔寨斯文省的斯文大学(SRU)研究站进行。黄酒副产物(RW20)和黄酒副产物加鱼粉(RW20FM10)处理的DM、CP和OM的总摄入量较高。在不使用米酒副产物(RW0)或使用米酒副产物加鱼粉(FM10)的处理中,这些组分的CF、NDF和ADF的摄取量较低。饲粮中除CF和NDF外,DM、OM、CP和ADF的表观消化率无一致性差异。除CF和NDF值外,在混合基础日粮中添加米酒副产物的各处理均较高。饲粮中掺入黄酒副产物后,DM、OM和CP的表观消化率均有所提高。以g/d或与N摄入量或消化量的百分比表示的氮保留值,以混合米酒副产物的日粮最高,且不混合米酒副产物(FM10)的日粮也优于不混合米酒副产物或鱼粉(RW0)的日粮。当氮保留数据根据氮摄入量的差异进行校正时,含米酒副产物(RW20和RW20FM10)和不含米酒副产物(FM10)的日粮在氮保留方面的差异更为明显。综上所述,在添加RW20和RW20FM10的基础饲粮中添加青贮芋头和米酒副产物的混合物,比只添加不添加米酒副产物的青贮芋头(RW0)或鱼粉(FM10)的基础饲粮中添加青贮芋头具有更高的干物质、粗蛋白质、OM和CF的表观消化率和更高的N保留率。
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引用次数: 0
Protease Complex Reduces Potentially Pathogenic Microbial Populations in the Ileum While Optimizing Performance of Broiler Chickens 蛋白酶复合物在优化肉仔鸡生产性能的同时减少回肠潜在致病微生物数量
Pub Date : 2021-03-17 DOI: 10.11648/J.AVS.20210901.13
M. Chowdhury, A. Dhara, S. Dey, Anirvid Sarkar, S. Haldar, G. Tactacan
A 42-day trial was conducted to assess the effects of a dietary protease on growth performance and ileum population of selected bacteria in broiler chickens fed standard diets and diets deficient in crude protein and digestible amino acids (CP/AA, ~5%) or apparent metabolizable energy (AME, 50 kcal/kg) or both. Reducing CP/AA and AME negatively affected average daily weight gain (ADG, P < 0.05) and feed conversion ratio (FCR, P < 0.05). Dietary protease improved BW at 42-d (P = 0.021, linear effect) of birds fed both standard and nutrient deficient diets but improved FCR (P = 0.0002) was only observed when supplemented to the standard diet. Serum protein concentration was not affected by the level of CP/AA and AME but decreased linearly with the level of protease (P = 0.02). Numbers of Escherichia coli¸ Salmonella spp. and Clostridium perfringens increased (P = 0.0001) with the decrease of dietary CP/AA and AME. In contrast, the numbers of studied bacteria linearly decreased (P = 0.0001) with dietary protease level. Dietary protease was found to decrease the numbers of Clostridium perfringens (P = 0.0001) when supplemented to either low CP/AA or low AME diets. It can be concluded that protease supplementation sustained the harvesting biomass in the experimental birds fed lower nutrient density diets and decreased the numbers of resident bacteria in the hind gut, some of which might be potential pathogens. Hence, the study documented not only the nutrient sparing effects but also the extra-proteinaceous effect in terms of gut health of dietary protease in broiler chickens.
本试验旨在研究饲粮中添加一种蛋白酶对标准饲粮和缺乏粗蛋白质和可消化氨基酸(CP/AA, ~5%)、表观代谢能(AME, 50 kcal/kg)或两者均缺乏的饲粮中肉仔鸡生长性能和回肠选定菌群的影响。CP/AA和AME降低对平均日增重(ADG, P < 0.05)和饲料系数(FCR, P < 0.05)均有负面影响。饲粮中添加蛋白酶可提高标准饲粮和营养缺乏饲粮的42 d体重(P = 0.021,线性效应),但只有在标准饲粮中添加蛋白酶才能提高饲料效率(P = 0.0002)。血清蛋白浓度不受CP/AA和AME水平的影响,但与蛋白酶水平呈线性下降(P = 0.02)。随着饲粮CP/AA和AME的降低,大肠杆菌、沙门氏菌和产气荚膜梭菌的数量增加(P = 0.0001)。相反,随着饲粮蛋白酶水平的增加,所研究的细菌数量呈线性减少(P = 0.0001)。饲粮中添加蛋白酶可降低产气荚膜梭菌的数量(P = 0.0001)。由此可见,在低营养密度饲粮中添加蛋白酶维持了试验禽的收获生物量,并减少了后肠内的常驻细菌数量,其中一些细菌可能是潜在的病原体。因此,本研究不仅记录了肉仔鸡饲粮蛋白酶在肠道健康方面的营养节约效应,还记录了额外的蛋白质效应。
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引用次数: 0
Evaluation of Improved Napier Cultivars as Livestock Feed Under Farmers Conditions in West Hararghe Zone, Oromia Region, Ethiopia 埃塞俄比亚奥罗米亚地区西哈拉尔河地区改良纳皮尔品种作为家畜饲料的评价
Pub Date : 2021-01-30 DOI: 10.11648/J.AVS.20210901.12
Tamrat Dinkale, T. Zewdu, M. Girma
This study was conducted to evaluate the forage production and farmers preference as livestock feed under farmer’s conditions in West Hararghe Zone of Oromia region, Ethiopia. Four improved Napier grass cultivars (ILRI cultivar number: 16801, 16800, 16798, and 16840) and local check were planted in a Randomized Complete Block Design (RCBD) with six replications during the main cropping season of 2018/19. The dry matter (DM) yield, fresh biomass yield, plant height, leaf length and leaf-stem ratio and other agronomic data were measured at harvest. Farmers preference of the Napier grass cultivars as livestock feed was collected through visual and hand evaluation of the multiple ranking criteria of the cultivars based on phonological nature. The results shows that, ILRI cultivar no. 16800 was higher (P 3), as an indicator for livestock feed. From this study, it is concluded that Napier grass cultivars No. 16800, 16840 and 16801 were found promising in terms of agronomic traits, DM yield and fresh biomass yield than others during main rainy season (July to September) that needs further evaluation during dry season to demonstrated and popularized as an alternative feed resources under smallholder conditions in the study areas and other places of east and West Hararghe zones of Oromia region with similar climatic and edaphic conditions.
本研究旨在评估埃塞俄比亚奥罗米亚地区西哈拉尔河地区农民条件下的饲料产量和农民作为牲畜饲料的偏好。采用随机完全区设计(RCBD), 6个重复,在2018/19主要种植季种植4个改良纳皮草品种(ILRI品种号:16801、16800、16798和16840)并进行局部检验。收获时测定干物质产量、鲜生物量产量、株高、叶长、叶茎比等农艺指标。通过目测和手测的方法,对不同品种的音系特性进行排序,收集农民对不同品种作为牲畜饲料的偏好。结果表明,ILRI品种;作为家畜饲料的指标,16800较高(p3)。结果表明,16800、16840和16801三个品种具有较好的农艺性状;主要雨季(7 - 9月)DM产量和新鲜生物质产量高于其他品种,旱季需进一步评价,在研究区和奥罗米亚地区哈拉河东部和西部其他气候和地理条件相似的地方作为小农条件下的替代饲料资源进行示范和推广。
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引用次数: 2
Proximate Composition of Local Salt Licks (Toka) in Adamawa State, Nigeria 尼日利亚阿达马瓦州当地盐舔(Toka)的近似组成
Pub Date : 2021-01-28 DOI: 10.11648/J.AVS.20210901.11
Kubkomawa Hayatu Ibrahim
The study investigated the proximate composition of local salt licks (toka) in Adamawa State, Nigeria with a view to reveal the feeding value of the products and use as a substitute to the expensive conventional ones. Six novel mineral blocks from different sources (maize stover, maize comb and sorghum stover ) produced from Mubi-North and Madagali Local Government Areas were used for analysis. The proximate compositions of the samples were analyzed at the Clinical Biochemical Laboratory of Adamawa State University (ADSU) Mubi, Nigeria. Parameters determined include crude protein (CP), crude fiber (CF), ether extract (EE), ash (AS) and moisture content (MC). Local salt licks (toka) had low mean crude protein (CP) of 3.9%, crude fibre (CF) of 0.8%, ether extract (EE) of 1.1%, ash of 0.8% and moisture content of 15.6%. Irrespective of the low nutrient composition of novel mineral licks, they can be used to improve acceptability, palatability and mineral supplementation in livestock feeds. This showed that, with time and good awareness, livestock producers will opt for the products as source of mineral supplements since they are cheaper and readily available in the study area. This could also conveniently substitute the usually imported, highly expensive mineral licks used for livestock production in the state and Nigeria as a whole.
该研究调查了尼日利亚阿达马瓦州当地盐舔(toka)的大致成分,以期揭示这些产品的喂养价值和作为昂贵的传统盐舔的替代品。从Mubi-North和Madagali地方政府地区生产的不同来源(玉米秸秆、玉米梳和高粱秸秆)的六种新型矿物块被用于分析。样品的近似成分在尼日利亚阿达马瓦州立大学(ADSU) Mubi的临床生化实验室进行分析。测定的参数包括粗蛋白质(CP)、粗纤维(CF)、粗脂肪(EE)、灰分(AS)和水分(MC)。当地盐舌的平均粗蛋白质(CP)为3.9%,粗纤维(CF)为0.8%,粗脂肪(EE)为1.1%,灰分(灰分)为0.8%,水分含量为15.6%。尽管新型矿物质舔舐物的营养成分较低,但它们可用于提高牲畜饲料的可接受性、适口性和矿物质补充。这表明,随着时间的推移和良好的认识,牲畜生产者将选择这些产品作为矿物质补充剂的来源,因为它们更便宜,而且在研究地区很容易获得。这也可以方便地替代该州和整个尼日利亚用于畜牧生产的通常进口的、昂贵的矿物舔舐。
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引用次数: 0
Prevalence of Toxoplasma Gondii in Domestic Breeds of Goats in Faisalabad, Punjab 旁遮普省费萨拉巴德市山羊家种刚地弓形虫流行情况
Pub Date : 2021-01-01 DOI: 10.11648/j.avs.20210905.14
A. Yousaf, R. Tabbasum, T. Awais, Asfa Sakhawat, Sakandar Khan, Abdul Latif Bhutto, R. Khalil, A. Sharif, M. Arshad, S. Baloch, Rehana Shahnawaz, Faiza S M Habib, S. Shaheen, A. Bachaya, M. Ramzan, Khalil-ur-Rahamn Ramzan, Ghurniq Zahra
: Toxoplasmosis is a zoonotic disease caused by a protozoan parasite Toxoplasma gondii. The goal of this study was to look into Toxoplasma (T.) gondii prevalence in goats. Toxoplasmosis was examined in n= 380 goats of both sexes, male n=80 and female n=300, aged 1-6 years, from Faisalabad district, Punjab province. A total of n = 202 goats out of n = 380 were seropositive, resulting in a 53.15% overall prevalence. The latex agglutination test was used to look for T. gondii antibodies in the obtained sera. This test was evaluated in animals as a toxoplasmosis screening serologic test. T. gondii was found to be more common in female goats 60% than in male goats 27.5% with statistical significance P<0.05. The prevalence of toxoplasmosis was highest 58.46% in Teddy goats and lowest 45.83% in Beetal goats, with statistical significance (P<0.05) in the association between different goat breeds and T. gondii. Toxoplasmosis had the highest prevalence 70.42% in the 5-6 years age group and the lowest prevalence 37.27% in the 1-2 years age group, indicating statistical significance (P<0.05). The parasite had the highest prevalence 65.60% in the body weight group of 51-60 kg and the lowest prevalence 32.25% in the body weight group of 20-30 kg with statistical significance (P<0.05) in the body weight group. The differences were considered statistically significant at P≤0.05.
:弓形虫病是由弓形虫原虫引起的人畜共患疾病。本研究的目的是了解刚地弓形虫在山羊中的流行情况。对旁遮普省费萨拉巴德地区1-6岁的男女山羊380只进行了弓形虫病检查,其中公山羊80只,母山羊300只。n = 380只山羊中n = 202只血清阳性,总阳性率为53.15%。用胶乳凝集试验寻找血清中弓形虫抗体。该试验在动物中被评价为弓形虫病筛查血清学试验。母山羊中弓形虫的感染率为60%,高于公山羊的27.5%,差异有统计学意义P<0.05。泰迪山羊弓形虫病患病率最高,为58.46%,东北山羊最低,为45.83%,不同山羊品种与弓形虫的相关性均有统计学意义(P<0.05)。5 ~ 6岁年龄组弓形虫病患病率最高,为70.42%,1 ~ 2岁年龄组患病率最低,为37.27%,差异有统计学意义(P<0.05)。51 ~ 60 kg体重组寄生虫患病率最高,为65.60%;20 ~ 30 kg体重组寄生虫患病率最低,为32.25%,差异有统计学意义(P<0.05)。P≤0.05认为差异有统计学意义。
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引用次数: 3
Artificial Insemination: Coverage and Constraints in Central High Land of Ethiopia 人工授精:在埃塞俄比亚中部高地的覆盖和限制
Pub Date : 2021-01-01 DOI: 10.11648/j.avs.20210905.15
T. K., A. Y., Habtamu A.
: A cross-sectional and retrospective investigation was conducted from November, 2017 to April, 2018 with objective of assessing service coverage and constraints that were affecting Artificial Insemination (AI), success rate in Welmera District, special Zone of Oromiya Regional State. Semi-structured questionnaires were pretested and administered to 395 respondents that were composed of a group small-holder dairy farmers (n=384), animal health and production professionals (AHPPs) (n=8) and artificial inseminations technicians (AITs) (n=3). Additionally retrospective data from 2011 to 2017 was considered to evaluate the previous situation of AI services in study site. The survey result showed that from 384 interviewed farmers; majority of them 71.1%, (273) didn’t use AI, 18.8% (72) used both AI and natural breeding, while 10.2% (39) used solely AI services to breed their cows. The distribution of AI services between small-holders located in urban, per-urban and rural localities in the study area was 78.95%, 46.25% and 12.88% respectively, with statistically significant difference (p<0.05). Many farmers (273) solely depended on natural breeding than using artificial insemination due to lack of awareness (27.7%), unfitness of their dairy cows for AI breeding (26.4%), long distance from AI center (24.4%), insufficient capital (13.3%) and shortage of feed (8.1%) to keep dairy cows. The major constraints among AI users were shortage of inputs 7.1%, unavailability of AI technicians 13.4% and conception failure 50.9%. In Wolemera district many farmers 73.3% used to take their cows to AI station for services while 26.7% call-up to technicians to have them at their farm gate for AI services. Generally from this study it was concluded that AI service coverage was inadequate with unequal distributions between small-holders in urban, peri- urban and rural localities. Therefore, AI service in the district requires serious attention so that appropriate solutions be given to alleviate the prevailing constraints.
2017年11月至2018年4月,对奥罗米亚州特区Welmera区的人工授精服务覆盖率及影响人工授精成功率的制约因素进行了横断面和回顾性调查。对395名受访者进行了半结构化问卷预测和管理,其中包括小农奶农(384人)、动物卫生和生产专业人员(AHPPs)(8人)和人工授精技术人员(ait)(3人)。此外,还考虑了2011年至2017年的回顾性数据,以评估研究地点人工智能服务的既往情况。调查结果显示,384名受访农民;其中71.1%(273家)没有使用人工智能,18.8%(72家)同时使用人工智能和自然育种,10.2%(39家)仅使用人工智能服务来繁殖奶牛。研究区城市小农、城市小农和农村小农的人工智能服务分布分别为78.95%、46.25%和12.88%,差异有统计学意义(p<0.05)。由于缺乏对人工智能育种的认识(27.7%)、奶牛不适合人工智能育种(26.4%)、距离人工智能中心较远(24.4%)、资金不足(13.3%)和饲料短缺(8.1%),许多农民(273)完全依赖自然育种而不是人工授精。人工智能用户的主要制约因素是投入不足(7.1%)、无法获得人工智能技术人员(13.4%)和受孕失败(50.9%)。在Wolemera地区,73.3%的农民过去常常把他们的奶牛带到人工智能站接受服务,而26.7%的农民打电话给技术人员,让他们在农场门口接受人工智能服务。总的来说,从这项研究中得出的结论是,人工智能服务覆盖率不足,城市、城郊和农村地区的小农之间分布不均。因此,该地区的人工智能服务需要高度重视,以便提供适当的解决方案,以缓解当前的制约因素。
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引用次数: 1
Prevalence of Brucella abortus in Cattle in the Njala and Newton Ranches of Sierra Leone Using Serological Analysis 利用血清学分析塞拉利昂Njala和Newton牧场牛中流产布鲁氏菌的流行情况
Pub Date : 2021-01-01 DOI: 10.11648/j.avs.20210906.15
Mahmud Emkay Sesay, Esther Marie Kanu, Victor Patrick Bagla, Prince Emmanuel Norman
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引用次数: 0
Silage Additives Usage in Improving Fermentation Quality of Alfalfa Silage: A Review 青贮添加剂在提高苜蓿青贮发酵品质中的应用综述
Pub Date : 2021-01-01 DOI: 10.11648/j.avs.20210906.13
Pınar TATLI SEVEN, I. Seven, Seda İFLAZOĞLU MUTLU, Esra Nur Yildirim
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引用次数: 0
期刊
Animal and Veterinary Sciences
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