• 한국가금학회지
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• 제36권2호
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• pp.133-137
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• 2009

종오리의 품종별 육성기 생산성을 알아보기 위하여 체리 베리와 그리모를 각각 4반복, 반복당 36수(♀ 30수, ♂ 6수)씩 총 288수를 완전 임의 배치하여, 2007년 10월 24일부터 2008년 4월 9일까지 평사에서 24주 동안 수행하였다. 육성기 전 기간의 체중은 체리베리 3,114 g, 그리모 2,901 g으로 체리베리가 더욱 높게 나타났으며, 증체량 역시 체리베리 3,064g, 그리모 2,851 g으로 체리베리가 그리모보다 유의적으로 증대하였다(p<0.05). 사료 섭취량은 체리베리 19,090 g, 그리모 19,600 g으로 그리모가 체리베리에 비하여 유의적으로 증가하였고(p<0.05), 사료 요구율은 체리베리 6.2, 그리모 6.9로서 그리모가 체리베리보다 유의적으로 높았다(p<0.05). 육성율은 체리베리 98.5%, 그리모 100.0%로서 그리모가 체리베리보다 유의적으로 높았으며(p<0.05), 균일도는 체리베리 77.5, 그리모 75.0으로 통계적인 차이는 없었으나 체리베리가 그리모보다 우수한 경향을 보였다.

• Asian-Australasian Journal of Animal Sciences
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• 제15권6호
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• pp.866-871
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• 2002

An experiment was conducted at the experimental duck farm of Cantho University to determine the effects of feeding duckweed (Lemna minor) that replaced commercial protein supplements in diets for local and Cherry Valley breeding ducks. The experiment included a total of 180 ducks, with five treatments and three replicates and six breeding ducks (one male plus five females together) per replicate, for both local and exotic Cherry Valley ducks. The five diets were fed ad libitum and were based on rice byproducts supplemented with roasted soya bean meal plus dried fishmeal at levels of 100% (SF100, control), 75 (SF75), 50 (SF50), 25 (SF25) or zero (SF0) % of the protein in the control diet, corresponding to 18, 15, 13, 10 and 8% CP in the diets for both breeds, respectively. Fresh duckweed was supplied ad libitum for all treatments. These diets were fed to local breeding ducks from 7 to 12 months of age, and to exotic breeding ducks (Cherry Valley) from 8 to 13 months of age. Total mean daily dry matter (DM) intakes were 183, 178, 176, 177 and 174 g (p<0.05) for the local ducks, and 221, 208, 215, 219 and 210 g (p<0.01) for the exotic ducks for the SF100 (control), SF75, SF50, SF25 and SF0 diets, respectively. Laying rates of the local ducks were 66.5, 65.2, 62.9, 63.1 and 62.3%, and of the Cherry Valley ducks 61.9, 58.4, 58.9, 59.1 and 53.5% (p<0.001) for the control (SF100), SF75, SF50, SF25 and SF0 treatments, respectively. Fertile egg rates were 95.6, 95.6, 97.8, 97.8 and 92.2%, and hatchabilities 89.4, 80.6, 87.2, 88.6 and 77.8% (p<0.05) for the local breed, and 97.8, 97.8, 91.1, 92.2 and 90.0% (p<0.05) and 72.8, 74.7, 75.0, 74.3 and 76.7% for the Cherry Valley ducks for diets SF100, SF75, SF50, SF25 and SF0, respectively. Corresponding feed conversion ratios (dry matter basis) were 3.83, 3.82, 3.89, 4.01 and 3.96 kg feed per kg egg mass for the local ducks and 4.52, 4.56, 4.58, 4.73 and 5.02 kg feed per kg egg mass for the Cherry Valley ducks for the SF100, SF75, SF50, SF25 and SF0 treatments, respectively. Replacement of 100% of the protein supplement by fresh duckweed in the diets of the local laying ducks decreased the feed costs by 25% compared to the control diet.

• 오리마을
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• 통권91호
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• pp.52-55
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• 2011

• 오리마을
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• 통권68호
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• pp.88-89
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• 2009

• Animal Bioscience
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• 제35권2호
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• pp.247-259
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• 2022

Objective: This study was conducted to investigate the effects of age and diet forms on growth-development patterns, serum metabolism indicators, and parameters of body fat deposition in Cherry Valley ducks. Methods: According to the hatching age and initial weight, a total of 150 1-day-old male SM3 Cherry Valley ducks were randomly assigned to two diet forms (pellet vs powder form). Each treatment had with 5 replicates per treatment and 15 meat ducks per replicate. The study lasted 42 d, which was divided into two periods (1 to 21 vs 22 to 42 d). Results: Our results showed that compared with powder group, ducks in pellet group had greater growth performance during different period (p<0.05). The inflection point was 24 d and was not numerically affected by diet forms. Increasing age (42 vs 21 d) significantly increased the weight of body fat and hepatic fat metabolism related enzyme activities in ducks (p<0.05), meanwhile, increasing age (42 vs 21 d) improved serum metabolism indicators and decreased mRNA expression levels of fat metabolism-related genes in liver (p<0.05). Ducks fed different diets (pellet vs powder form) increased growth performance as well as the weight of body fat and improved serum metabolism indicators (p<0.05). In addition, interactions were found between age and diet forms on the levels of serum metabolism indicators in ducks (p<0.05). Conclusion: In conclusion, powder feed reduced growth performance of ducks, and the day of inflection point was 24 days old. Ducks with higher age or fed with pellet diet showed higher fat deposition. The effect of age and feed forms on body fat deposition might result from changes in the contents of serum metabolism indicators, key enzyme activity of lipid production, and hepatic gene expressions.

• 오리마을
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• 통권76호
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• pp.46-47
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• 2009

• 오리마을
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• 통권151호
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• pp.42-45
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• 2016

• Asian-Australasian Journal of Animal Sciences
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• 제33권10호
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• pp.1624-1632
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• 2020

Objective: A total of three hundred unsexed ducks were utilized to estimate net energy requirements of maintenance (NE_m) and weight gain (NE_g) for 2 to 3-week-old Cherry Valley ducks and to establish a model equation to predict NE requirements using the factorial method. Methods: To determine the apparent metabolizable energy (AME) of the diet, fifty 7-day-old ducks at approximately equal body weights (BWs) were randomly assigned into five groups that were fed at different levels (ad libitum, 85%, 75%, 65%, and 55% of ad libitum intake), and the endogenous acid-insoluble ash as indigestible marker. The two hundred and fifty 7-day-old ducks were used for a comparative slaughter experiment. At the beginning of the experiment, ten ducks were sacrificed to determine the initial body composition and energy content. The remaining ducks were randomly assigned into five groups (same as metabolic experiment). Ducks of the ad libitum group were slaughtered at 14 and 21-day-old. At the end of the experiment, two ducks were selected from each replicate and slaughtered to determine the body composition and energy content. Results: The results of the metabolizable experiment showed AME values of 13.43 to 13.77 MJ/kg for ducks at different feed intakes. The results of the comparative slaughter experiment showed the NE_m value for 2 to 3-week-old Cherry Valley ducks was 549.54 kJ/kg of BW^0.75/d, and the NE_g value was 10.41 kJ/g. The deposition efficiency values of fat (K_f) and crude protein (K_p) were 0.96 and 0.60, respectively, and the values of efficiency of energy utilization (K_g) and maintenance efficiency (K_m) were 0.75 and 0.88, respectively. Conclusion: The equation for the prediction of NE requirements for 2 to 3-week-old Cherry Valley ducks was the following: NE = 549.54 BW^0.75+10.41 ΔW, where ΔW is the weight gain (g).

• 현장농수산연구지
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• 제25권4호
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• pp.67-77
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• 2024

This study analyzed the profitability and diagnosed business performance of fruit and vegetable (cherry tomatoes, tomatoes, strawberries, cucumbers) businesses targeting young farmers participating in the youth business incubation center of A Smart Farm Innovation Valley. The purpose of this is to provide basic data for decision-making by prospective young entrepreneurs. As a result of the analysis, Smart Farm Innovation Valley had the advantage of having a fixed rental fee. As a result, it was analyzed that various costs such as depreciation of large farm equipment, depreciation of farming facilities, repair and maintenance costs, land rent, floating capital service cost, fixed capital service cost, and land capital service cost are being reduced. However, excessive input of labor, water, electricity, other materials, and fertilizer costs was being made. Guidance to reduce these costs is expected to make a significant contribution to expanding the influx of young farmers.

• 오리마을
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• 제63권9호
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• pp.78-79
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• 2008

원종오리들은 단일일령의 농장에서 이상적으로 수용가능하나, 그러나 일령별 계군에서도 적합한 관리시 더욱 훌륭한 생산성을 얻을 수 있다. 원종오리들은 성장단계에 따라 다른 축사에서도 사육이 가능하며, 또는 단일령의 축사에서 사육을 해도 문제가 없다. 원종오리의 원활한 수용을 위해서는 편안하고 안전한 환경의 제공이 필수적이다. 한국의 기후는 추운 겨울과 뜨거운 여름이 있는 대륙성 기후이기 때문에 영국의 온대성 기후와는 확연히 다르다. 그렇기 때문에 체리밸리는 뚜렷한 계절상의 차이가 있는 기후와 환경에서 최적으로 오리를 사육 할 수 있도록 지역적으로 설계된 건물과 기기들을 사용할 것을 추천한다. 영국의 축사 설계는 한국에 적합지 않다.