Modelling of Body Mass Increase and Feed Conversion Ratio in Chickens ROSS 208

Effects of the use of probiotic Beta Plus in nutrition of gestating and lactating sows, suckling piglets, weaned piglets were investigated. Obtained results showed that: introduction of Beta Plus in concentrations of 0.1% in diets had an effect which was characterized by: - smaller losses of body mass of sows during lactation period, by 21.8%, - shorter service period of sows, by 2.95 days, - more weaned piglets, 0.20 piglets/litter, and - better gain, by 6.69%, and more favorable feed conversion ratio, by 0.9% in weaning piglets Generally we recommend the use of probiotic Beta Plus in nutrition of sows, suckling piglets and weaned piglets.

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Production results of various categories of pheasants reared under controlled conditions

Biotechnology in Animal Husbandry ◽

10.2298/bah1104819p ◽

2011 ◽

Vol 27 (4) ◽

pp. 1819-1826

Author(s):

Z. Popovic ◽

N. Djordjevic ◽

M. Beukovic ◽

D. Beukovic ◽

M. Djordjevic

Keyword(s):

Body Mass ◽

Stocking Density ◽

Conversion Ratio ◽

Feed Conversion Ratio ◽

Feed Conversion ◽

Brood Stock ◽

Feeding Technique ◽

Concentrate Mixture ◽

Second Period

The overview of domestic and foreign investigations of the effects of various intensity of ant feeding technique in various categories of pheasants. With the aim to increase number of pheasants in our country and in the world, for decades pheasant chicks are produced in pheasant farms up to the age of 5-8 weeks, and body mass of 400-450 g, after which they are released into the hunting grounds. The capacity of pheasant farms in Serbia is about 900.500 hatched chicks, and in the past four decades several tens of millions of artificially reared pheasants were released. The quality of feeding the brood stock of pheasants, which produce eggs for hatching incubator has a direct influence on number, mass and fertility of eggs, and on the mass of newly hatched chicks. The feed conversion ratio in chicks depends on the first place on energy and protein level, and also on biological value of protein. In domestic investigations of pheasant chicks feeding with the concentrate mixture with higher protein value (30% to 28 days of age and 24% to 42 days of age) and with lower stocking density (450 individuals in the group), had significantly bigger Final body mass (457.07 g) and higher daily gain (4.22 g in the first 13:31 and g in the second period), and with better feed conversion ratio.

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PREDICTION OF DAILY GAIN, BACKFAT THICKNESS AND FEED CONVERSION RATIO AMONG CROSSBRED TERMINAL SIRES BETWEEN PUREBRED DUROC, PIETRAIN, AND LANDRACE BY CBE 4.0 SOFTWARE

Scientific Journal of Tra Vinh University ◽

10.35382/18594816.1.29.2018.35 ◽

2018 ◽

Vol 1 (29) ◽

pp. 72-81

Author(s):

Hop Van Nguyen ◽

Tinh Huu Nguyen ◽

Hoa Van Tran ◽

Kinh Van La

Keyword(s):

Research And Development ◽

High Reliability ◽

Conversion Ratio ◽

Feed Conversion Ratio ◽

Backfat Thickness ◽

Feed Conversion ◽

Significant Difference ◽

Pig Farm ◽

Development Center ◽

Daily Gain

The objective of the study is to compare the practical results with the predicted results by Crossbreeding Effects (CBE) software on pig crossbred based on daily gain, backfat thickness and feed conversion ratio. Another purpose of this study is to predict those three traits among some expected hybridization. This research was conducted on pig farm at Binh Thang Research and Development center from 2013 to 2017. In this study, for each pair of purebred Duroc and Pietrain, Duroc and Landrace, Pietrain and Landrace, twelve hybridizations were analyzed, nine unhybridizations were predicted by CBE software. The results showed that there was no significant difference between the predicted and actual data. With some unhybridization crossbred , the predictions showed high reliability (P<0.05). Based on the predicted data of CBE software , some traits of the crossbred animals would not be improved, therefore, it was not necessary to conduct these hybridizations

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KAJIAN PEMANFAATAN SEKAM PADI YANG DIFERMENTASI EFFECTIVE MICROORGANISM-4 (EM-4) DISUPLEMENTASI DAUN SIRIH (Piper betle L) TERHADAP PERFORMANS DAN KARKAS ITIK BALI UMUR 22 MINGGU

Majalah Ilmiah Peternakan ◽

10.24843/mip.2018.v21.i03.p02 ◽

2018 ◽

Vol 21 (3) ◽

pp. 96

Author(s):

Partama I. B. G. ◽

T. G. Belawa Yadnya ◽

A. A. A. S. Trisnadewi ◽

A. A. P. P. Wibawa ◽

I. M. Mudita

Keyword(s):

Conversion Ratio ◽

Feed Conversion Ratio ◽

Piper Betle ◽

Feed Conversion ◽

Effective Microorganism

Penelitian bertujuan untuk mengetahui pengaruh pemanfaatan sekam padi difermentasi larutan EffectiveMicroorganism-4 (EM-4) dalam ransum disuplementasi daun sirih (Piper betle L.) terhadap performans dan karkasitik bali betina, umur 22 minggu. Penelitian menggunakan rancangan acak lengkap dengan lima perlakuan yaituransum tanpa sekam padi (A), ransum mengandung 12,50% sekam padi (B), ransum mengandung 12,50 % sekampadi difermentasi EM-4 (C), ransum mengandung 12,50% sekam padi dan daun sirih (D), serta ransum 12,50%sekam padi difermentasi EM-4 dan daun sirih (E). Setiap perlakuan terdiri atas empat ulangan dan setiap ulanganberisi lima ekor ituik bali betina, Variabel yang diamati konsumsi ransum, konsumsi antioksidan ransum, bobotbadan akhir, pertambahan bobot badan, feed conversion ratio dan karkas meliputi bobot potong, bobot karkas danpersentase karkas. Hasil penelitian menunjukkan bahwa pemberian 12,50 % sekam padi difermentasi EM-4 sertadisuplementasi daun sirih tidak berpengaruh terhadap konsumsi ransum(P>0,05), namun dapat menghasilkanbobot badan akhir, pertambahan bobot badan lebih tinggi (P<0,05), serta FCR yang lebih rendah (P<0,05) sertabobot karkas dan persentase karkas yang lebih baik daripada perlakuan yang lainnya. Dapat disimpulkan bahwapemberian sekam padi yang difermentasi EM-4 serta disuplementasi daun sirih dapat memperbaiki performansdan karkas yang lebih baik daripada perlakuan yang lainnya.

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A spatial analysis of feed conversion ratio: a case study of broiler chickens in Musanze District, Northern Rwanda

African Geographical Review ◽

10.1080/19376812.2021.1945467 ◽

2021 ◽

pp. 1-14

Author(s):

J.F. Régis Nisengwe ◽

Tom Gill ◽

David Ader ◽

Hans Goertz

Keyword(s):

Spatial Analysis ◽

Broiler Chickens ◽

Conversion Ratio ◽

Feed Conversion Ratio ◽

Feed Conversion

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Effects of Different Swimming Pool Conditions and Floor Types on Growth Performance and Footpad Dermatitis in Indoor-Reared White Roman Geese

Animals ◽

10.3390/ani11061705 ◽

2021 ◽

Vol 11 (6) ◽

pp. 1705

Author(s):

Shih-Chieh Liao ◽

Pei-Xuan Lu ◽

Shih-Yi Shen ◽

Chih-Chang Hsiao ◽

Ching-Yi Lien ◽

...

Keyword(s):

Growth Performance ◽

Conversion Ratio ◽

Feed Conversion Ratio ◽

Swimming Pool ◽

Poultry Production ◽

Performance Measurements ◽

Feed Conversion ◽

Plantar Surface ◽

Rearing Conditions ◽

Foot Disease

Footpad dermatitis (FPD) is a major foot disease in modern poultry production, and it affects both poultry health and animal welfare. It refers to inflammation and necrotizing lesions on the plantar surface of the footpads and toes. We investigated the effects of providing a swimming pool and different floor types on growth performance and FPD score in indoor-reared White Roman geese. Forty-eight male and 48 female White Roman geese were randomly allocated to pens with or without a swimming pool and with either mud or perforated plastic floor and reared from 15 to 84 days of age. Growth performance measurements included feed intake (FI), weight gain (WG), and feed conversion ratio (FCR). FI, WG, and FCR were significantly decreased at various growth periods in geese provided with a pool. Lower WG and bodyweight for the perforated plastic floor group were found at 15–28 and 28 days of age, respectively. The geese reared on the perforated plastic floors without a pool had higher FPD scores at 70 and 84 days of age than those with other rearing conditions. A higher incidence of FPD score 1 was observed in geese raised without a pool. In conclusion, providing a pool can improve footpad health in indoor-reared White Roman geese but may not benefit growth performance.

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Influence of Enzyme Supplementation in the Diets of Broiler Chickens Formulated with Different Corn Hybrids Dried at Various Temperatures

Animals ◽

10.3390/ani11030643 ◽

2021 ◽

Vol 11 (3) ◽

pp. 643

Author(s):

Franciele C. N. Giacobbo ◽

Cinthia Eyng ◽

Ricardo V. Nunes ◽

Cleison de Souza ◽

Levy V. Teixeira ◽

...

Keyword(s):

Broiler Chickens ◽

Nutrient Digestibility ◽

Conversion Ratio ◽

Feed Conversion Ratio ◽

Intestinal Morphology ◽

Feed Conversion ◽

Corn Hybrids ◽

Positive Effects ◽

Cecal Microbiota ◽

Enzyme Supplementation

We evaluated the influence of enzymatic supplementation on the growth performance and cecal microbiota of broilers. A total of 2160 1-day-old male chicks were used in a 3 × 2 × 2 factorial arrangement (three corn hybrids, two drying temperatures −80 and 110 °C, with or without the inclusion of an enzymatic blend (amylase, xylanase, and protease) (20 birds/pen, n = 9). For all performance and digestibility parameters, we observed, in general, isolated effects of the corn hybrids and drying temperature. Birds that received the enzymatic blend in the diet showed better weight gain from 1 to 21 days (d) and better digestibility coefficients of nutrients at 42 d. Birds fed diets with corn dried at 80 °C showed a better feed conversion ratio from 1 to 42 d. At 21 d of age, enzymatic supplementation had positive effects on jejunum morphology. Enzyme supplementation increased the abundance of the phylum Tenericutes, class Bacilli and Mollicutes, reduced Clostridia, and increased the abundances of the families Lactobacillaceae, Anaeroplasmataceae, and O_RF39;F. In conclusion, the addition of amylase, xylanase, and protease led to a better nutrient digestibility, performance, and intestinal morphology. In addition, enzyme supplementation changed the diversity, composition, and predicted function of the cecal microbiota at d 21.

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Assessment of the Effect of Remediation Strategies on the Environmental Quality of Aquaculture Ponds in Marilao and Meycauayan, Bulacan, Philippines

Journal of Health and Pollution ◽

10.5696/2156-9614-8.20.181205 ◽

2018 ◽

Vol 8 (20) ◽

Author(s):

John Vincent R. Pleto ◽

Mark Dondi M. Arboleda ◽

Jessica F. Simbahan ◽

Veronica P. Migo

Keyword(s):

Oxygen Demand ◽

River System ◽

The Philippines ◽

Conversion Ratio ◽

Feed Conversion Ratio ◽

Culture Period ◽

Vetiver Grass ◽

Feed Conversion ◽

Remediation Strategies ◽

Aquaculture Ponds

Background. Water quality in the Marilao-Meycauayan-Obando river system (MMORS) of Bulacan, the Philippines, is of great concern due to the pollution load from local industries. The river system is currently used as a source of water for the aquaculture industry in Bulacan. Objectives. In order to address organic and heavy metal pollution, several remediation strategies were tested in aquaculture ponds along the river system. Strategies such as phytoremediation (vetiver grass pontoons), application of probiotics and zeolite (with filtration as pre-treatment) were utilized in ponds to decrease or remove toxic pollutants in water and sediments. Methods. Two sites were chosen as the pilot remediation sites – ponds in Barangay Nagbalon, Marilao and Barangay Liputan, Meycauayan, Bulacan. Pond bottom preparation was done to improve the condition of the pond bottom sediments before stocking by adding zeolite. Physicochemical parameters of water such as dissolved oxygen (DO), temperature, pH, salinity, ammonia, phosphate, biochemical oxygen demand (BOD) and chemical oxygen demand (COD) were monitored throughout the culture period. Heavy metals in sediments and fish were monitored. Fish parameters such as average body weight and feed conversion ratio were determined. Results. The DO levels were below recommended levels in the morning and reached a supersaturated level in the afternoon. Ammonia and COD levels were above recommended limits. A decreasing trend was observed for ammonia levels in treatment ponds. In terms of the growth of milkfish, the pond with probiotics showed the highest growth and better feed conversion ratio in Nagbalon and in the phytoremediation pond in Liputan. Percentage survival of milkfish was much higher at Liputan. Copper, chromium, lead and manganese were detected in pond sediments. After application of zeolite, there was a decrease in lead levels throughout the culture period. Conclusions. The different remediation studies were compared in terms of cost, effectivity and application and phytoremediation (vetiver grass pontoons) was determined to be the most cost-effective remediation strategy. Competing Interests. The authors declare no competing financial interests.

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