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All Journal Journal of the Indonesian Tropical Animal Agriculture Tropical Animal Science Journal
Qui, N. H.
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Energy

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The effect of lemongrass (Cymbopogon citratus) supplement on growth performance and carcass characteristics of Pekin ducks Linh, N. T.; Guntoro, B.; Qui, N. H.; Khang, N. D.; Dau, N. T.; Vui, N. V.
Journal of the Indonesian Tropical Animal Agriculture Vol 45, No 2 (2020): June
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Livestock including duck as one of crucial sector in agriculture, contributes a large proportion to Vietnam’s economic and to Mekong delta’s economic as well. Recently, herbal supplementation in feed is common which has brought many benefits for farmers and lemongrass is one of herbs is commonly used in many studies. A total of 96 ducks aged from 1 to 8-week-old was conducted through four treatments and three replicates per treatment. The experiment was a completely random design which aimed to estimate the effect of lemongrass powder on duck’s performance and carcass characteristics. The birds in the treatments were fed by the same feed but different supplement ratio of lemongrass powder (0; 0,5; 1; 1,5%). Besides, the birds were fed and watered ad libitum in all of the treatments. The conclusion showed that there was a linear decrease in feed intake, linear improvements in live weight gain and feed conversion as the proportion of lemongrass in the diet was increased from zero to 1.5%, inclusion of 1.5% lemongrass in feed will help the ducks increase their daily weight gain, improve feed intake and feed conversion ratio (P<0.05). However, lemongrass powder had no effect on carcass characteristics (P>0.05).
Tiny Circular Economy Practices in the Cagayan Valley Region, Philippines: A Case Study of Native Chicken Farmers Liangco, N. C.; Guntoro, B.; Haryadi, F. T.; A’yun, A. Q.; Qui, N. H.
Tropical Animal Science Journal Vol. 48 No. 5 (2025): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2025.48.5.462

Abstract

This study investigated the adoption of tiny circular economy (TCE) practices among native chicken farmers in the Cagayan Valley region of the Philippines, examining the influence of farmers’ perceptions and motivations on TCE practices. Using a purposive sample of 400 farmers, the research explored how farmers’ perceptions of support from government and non-government organizations, alongside their motivations (existence, relatedness, and growth), impact the implementation of TCE in native chicken production. Data were analyzed by using multiple linear regression to quantify these effects. The findings reveal that a significant majority (68.25%) of farmers in the region have adopted sustainable TCE practices, which form a circular system encompassing food production, consumption, and waste management. These practices include utilizing leftover food as chicken feed, allowing chickens to forage naturally, employing organic fertilizers derived from animal manure and plant waste, and selling chickens and eggs for income. Moreover, the results indicated that farmers’ perception of the support from government and NGOs had a significant impact on TCE adoption (p<0.05), whereas motivation exerted a stronger influence (p<0.01). Additionally, TCE adoption leads to reduced production costs (particularly feed and fertilizer), increased income from premium-priced organic products, waste reduction, and overall environmental sustainability. The findings suggest that farmers’ perception and motivation have a positive influence on the adoption of smallholder TCE practices, contributing to reducing production costs, increasing income, and promoting sustainable development in native chicken farming.
The awareness and behaviour’s farmer towards highly pathogenic avian influenza prevention in Tra Vinh, Vietnam Qui, N. H.; Anh Thu, N. T.; Linh, N.T.
Journal of the Indonesian Tropical Animal Agriculture Vol 49, No 2 (2024): June
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.49.2.169-180

Abstract

Disease outbreaks are partly the direct result of the expansion of poultry flocks. To understand farmers’ behaviours, their awareness of highly pathogenic avian influenza (HPAI), the study was con ducted. A total of 150 farms in three districts of Tra Vinh Province were included. Purposive sampling was used to choose respondents who have at least 20 poultry heads and a three-year operation. Descrip tive and multiple regression analyses were used to analyze data. The findings indicated that most farm ers (65.3%) were males with an average age of 50 years. Farmers received < $100/month from poultry production. The farm scale of poultry business was less than 100 heads per farmer, and birds were reared traditionally, using by-products, floor feeding, and no automatic watering systems. Selling broil ers dominated, whereas egg sales were uncommon and were generally reserved for domestic use. In addition, farmers were aware of HPAI prevention (>90% were, poor knowledge that was not validat ed). Additionally, farmers' awareness significantly increased by the enhancement in education, training, income, and full-time employment at poultry farms. It can be concluded that the small-scale poultry farming employs traditional practices with a keen awareness of infectious diseases. However, to raise farmers' awareness, strategies should concentrate on profession, education, training, and income.
Co-Authors Anh Thu, N. T. A’yun, A. Q. B. Guntoro Dau, N. T. Haryadi, F. T. Khang, N. D. Liangco, N. C. Linh, N. T. Linh, N.T. Vui, N. V.