scholarly journals Insulin-like growth factor-I and analogues increase growth in artificially-reared neonatal pigs

2002 ◽  
Vol 87 (6) ◽  
pp. 587-593 ◽  
Author(s):  
Frank R. Dunshea ◽  
Chung S. Chung ◽  
Phil C. Owens ◽  
John F. Ballard ◽  
Paul E. Walton
Keyword(s):  
Growth Rate ◽  
Growth Factors ◽  
Weight Gain ◽  
Milk Intake ◽  
Daily Weight Gain ◽  
Initial Weight ◽  
Increase Growth Rate ◽  
Neonatal Pigs ◽  
Igf I ◽  
Ad Libitum

Exogenous insulin-like growth factor (IGF)-I has been shown to increase growth rate in neonatal pigs while an analogue of IGF-I, long arginine (LR3) IGF-I, has been shown to be more potent than IGF-I in the rat. Therefore, two studies were conducted to determine whether IGF-I and LR3IGF-I increase growth in the artificially-reared neonatal pig. Expt 1 involved forty-two (2 kg initial weight) pigs infused with either control, IGF-I (2, 4 or 8 μg/h) or LR3IGF-I (2, 4 or 8 μg/h) infusions for 8 d. Pigs were weighed and then offered 1·7 MJ (gross energy) milk replacer/kg0·75 per d. Expt 2 involved eighteen pigs (2 kg initial weight) treated with control saline, IGF-I (8 μg/h) or LR3IGF-I (8 μg/h) infusions. After 9 d an additional pump was inserted to increase the infusion rates of each of the growth factors (16 μg/h) for a further 9 d. Cows' milk was provided ad libitum. In Expt 1 there was no overall effect of growth factors on daily weight gain or slaughter weight. However, milk intake was greater in pigs infused with growth factors (909 v. 867 g/d, P=0·027), with an apparently greater milk intake by the pigs infused with IGF-I compared with LR3IGF-I (920 v. 898 g/d, P=0·12). Infusion of LR3IGF-I decreased plasma IGF-I concentrations, but had no effect on plasma IGF-II concentrations. In Expt 2, neither IGF-I nor LR3IGF-I infusion had any effect upon daily weight gain over the first 9 d of the study. However, over the second 9 d of the study, daily weight gain was increased in LR3IGF-I-infused pigs (457 v. 386 g/d, P<0·01), but not in pigs infused with IGF-I (413 v. 386 g/d, P=0·15). Milk intake was not different during the first 9 d of the study but was significantly greater in pigs infused with growth factors over the second half of the study (3407 v. 2905 g/d, P<0·01). Plasma IGF-binding protein-3 concentrations were highly correlated (R=0·85) with average daily gain over the 3 d preceding blood sampling. In conclusion, exogenous IGF-I and particularly LR3IGF-I can increase growth rate and milk intake in artificially-reared pigs fed ad libitum but not in limit-fed piglets.

Türkiye’de Besiye Alınan Simmental, Aberdeen Angus, Hereford, Limousin ve Charolais Irkı Sığırların Besi Performansı ve Karkas Özellikleri

2017 ◽  
Vol 5 (11) ◽  
pp. 1383
Author(s):  
Serdar Duru ◽  
Halil Sak
Keyword(s):  
Weight Gain ◽  
Carcass Characteristics ◽  
Carcass Weight ◽  
Daily Weight Gain ◽  
Initial Weight ◽  
Fattening Performance ◽  
Final Weight ◽  
Ad Libitum ◽  
Fattening Period ◽  
Better Than

In this research, it was aimed to determine fattening performance and carcass characteristics of Simmental (SIM), Aberdeen Angus (ANG), Hereford (HER), Limousin (LIM) and Charolais (CHA) breeds. For this purpose, 606 male cattle between 10 and 12 months old imported from Uruguay and France in 2015 were used. All animals were fed ad-libitum for the same ration throughout the fattening period for approximately 7-9 months. Since the animals were slaughtered between April-June 2016, their fattening period were different. As a result of variance analysis, the effects of breed, initial weight (IW) and fattening period (FP) were found to be significant. For SIM (n=100), ANG (n=147), HER (n=149), LIM (n=104) and CHA (n=106); IW were 261.6, 267.3, 276.7, 264.1, 276.7 kg; FP were 206.7, 238.1, 261.4, 227.0, 283.6 days; final weight were 523.4, 543.3, 563.1, 545.5, 589.7 kg; daily weight gain were 1362.9, 1275.9, 1214.2, 1266.9, 1101.1 gr; hot carcass weight were 303.4, 317.7, 332.1, 319.3, 351.2 kg, respectively. CHA performed better than the others for the carcass weight, while SIM for daily weight gain is higher.

scholarly journals Growth and hematology of pacu subjected to sustained swimming and fed different protein levels

2013 ◽  
Vol 48 (6) ◽  
pp. 645-650 ◽  
Author(s):  
Cleujosí da Silva Nunes ◽  
Gilberto Moraes ◽  
Fernando Fabrizzi ◽  
Araceli Hackbarth ◽  
Gustavo Alberto Arbeláez-Rojas
Keyword(s):  
Growth Rate ◽  
Weight Gain ◽  
Specific Growth Rate ◽  
Dietary Protein ◽  
Crude Protein ◽  
Specific Growth ◽  
Daily Weight Gain ◽  
Mean Corpuscular Hemoglobin ◽  
Protein Levels ◽  
Randomized Design

The objective of this work was to evaluate the effect of sustained swimming and dietary protein levels on growth and hematological responses of juvenile pacu (Piaractus mesopotamicus). A completely randomized design was used in a 3x2 factorial arrangement, with three levels of dietary protein (24, 28, and 32% crude protein), two rearing conditions (sustained swimming or motionless water), and 15 replicates. Fish were subjected to sustained swimming at the velocity of two body lengths per second (2 BL s-1), for 45 days. The level of dietary protein and the swimming conditions affected the performance, growth, and hematological profile of pacu. Swimming conditions influenced nutritional factors, increasing daily weight gain, specific growth rate, number of erythrocytes, mean corpuscular volume, and mean corpuscular hemoglobin. Fish under sustained swimming and fed with 24% crude protein showed better growth performance, with higher specific growth rate (4.11±0.88) and higher daily weight gain (2.19±0.47 g per day). Sustained swimming can increase the productive performance of pacu and simultaneously reduce dietary protein levels.

Feed Additives and Fish Meal for Growing Cattle

1986 ◽  
Vol 1986 ◽  
pp. 114-114
Author(s):  
S. Thomas ◽  
C.K. Mackie ◽  
E.A. Hunter
Keyword(s):  
Growth Rate ◽  
Dietary Supplements ◽  
Fish Meal ◽  
Feed Additives ◽  
Increase Growth Rate ◽  
Grazing Season ◽  
Growing Cattle ◽  
Ad Libitum

White fish meal and feed additives are used to increase growth rate by young growing cattle in their first winter before being turned out to graze. Some evidence indicates that increased gains may not be retained through the grazing season. A trial was made to measure the effect of fish meal and feed additives, alone or in combination, on performance by young growing cattle during winter and subsequently through the grazing season. Sixty British Friesian castrated male calves were offered silage containing 220g/kg DM ad libitum. There were six dietary supplements.

scholarly journals Manipulation of growth of the Amazonian fish tambaqui, Colossoma macropomum (Characiformes: Serrasalmidae): analysis of physiological and zootechnical aspects

2018 ◽  
Vol 48 (3) ◽  
pp. 197-206 ◽  
Author(s):  
Arlan de Lima PAZ ◽  
Adalberto Luis VAL
Keyword(s):  
Growth Hormone ◽  
Growth Rate ◽  
Weight Gain ◽  
Hematological Parameters ◽  
Experimental Period ◽  
Daily Weight Gain ◽  
Efficient Production ◽  
Feed Conversion ◽  
Experimental Conditions ◽  
Colossoma Macropomum

ABSTRACT Colossoma macropomum, known locally as tambaqui, is the native fish most farmed in Brazil, however, technological advances are needed to reach efficient production rates. Modulating growth factors, such as growth hormone, may be associated with improved growth rate and feed efficiency. The use of exogenous hormone for fish rearing is prohibited in Brazil, yet the experimental use of bovine hormone can be useful in research aimed at understanding how to stimulate endogenous growth hormones in fish. Therefore, the present study had the strict objective of understanding the effects of growth hormone on the physiology and zootechnical parameters of C. macropomum under experimental conditions. The animals were intraperitoneally injected every fifteen days with 1, 10 and 100 μg g-1 of bGH using 0.9% NaCl saline as diluent. The 10 and 100 μg g-1 bolus had a positive effect on the performance indexes of C. macropomum: weight gain (g), growing length (cm), daily weight gain (g), feed conversion and specific growth rate (% per day). The bGH promoted a greater increase in length than in mass, which caused a reduction in condition factor of the individuals receiving a bolus of 10 and 100 μg g-1. Furthermore, bGH caused no changes in glucose levels, cortisol, hematological parameters, plasma levels of Na+ and K+, and activity of gill’s H+-ATPase and Na+, K+-ATPase, at least during the experimental period considered in the present study.

scholarly journals Performance of dairy calves raised under two breeding systems

2017 ◽  
Vol 38 (2) ◽  
pp. 867
Author(s):  
Reinaldo Henrique Borger ◽  
Adriana Sousa Martins ◽  
Shivelly Los Galetto ◽  
Victor Breno Pedrosa ◽  
Raquel Abdallah da Rocha Oliveira ◽  
...  
Keyword(s):  
Body Weight ◽  
Weight Gain ◽  
Feed Intake ◽  
Production Systems ◽  
Farming Systems ◽  
Milk Intake ◽  
Breeding Systems ◽  
Dairy Calves ◽  
Daily Weight Gain ◽  
Randomized Design

Increasing concern about some animal production systems has placed considerable value on humanitarian breeding systems, aimed at ensuring animal welfare and comfort. Raising calves is one of the most important stages in a milk production system. This study aimed to evaluate and compare the performance of Holstein dairy calves raised by two farming systems: conventional individual (CI) and collective with automatic calf feeder (CACF). Fourteen, 15-day-old Holstein dairy calves having an average initial body weight of 40 kg, were used. The animals were distributed in a completely randomized design with seven animals per treatment. The variables evaluated were the milk and feed intake, body weight, hip height, thoracic circumference and daily weight gain. The average milk intake was lower in the CACF (3.5 L animal-1 day-1) than CI (5.1 L animal-1 day-1) system. However, the feed intake was higher in the CACF (1.205 kg animal-1 day-1) compared to CI (0.910 kg animal-1 day-1) system. Body weight, thoracic circumference, hip height and daily weight gain were similar between the two systems. The CACF raised calves had a higher concentrate intake and lower milk intake than the calves raised under the CI system.

Multibreed comparisons of British cattle. Variation in body weight, growth rate and food intake

1984 ◽  
Vol 38 (3) ◽  
pp. 323-340 ◽  
Author(s):  
R. B. Thiessen ◽  
Eva Hnizdo ◽  
D. A. G. Maxwell ◽  
D. Gibson ◽  
C. S. Taylor
Keyword(s):  
Growth Rate ◽  
Body Weight ◽  
Genetic Variation ◽  
Weight Gain ◽  
Food Intake ◽  
Daily Weight Gain ◽  
Daily Food Intake ◽  
Daily Food ◽  
Breed Selection ◽  
Voluntary Food Intake

ABSTRACTA multibreed cattle experiment involving 25 British breeds was set up to study genetic variation between breeds and genetic inter-breed relationships for a wide spectrum of traits in order to examine the problems of between-breed testing and selection. The experimental design is described and results on between-breed variation are presented for four traits.All animals were housed indoors and from 12 weeks of age were given a single complete pelleted diet ad libitum through a system of Calan-Broadbent electronic gates. Females were mated to produce one purebred and three crossbred calves, which were reared to slaughter in order to measure the efficiency of the cow-calf unit of production.Results based on a total of 292 animals, with an average of 12 per breed, are presented for body weight, cumulated voluntary food intake, daily weight gain and daily food intake over the age range from 12 to 72 weeks. The 25 breed-mean curves for body weight and cumulated food intake displayed a remarkably uniform pattern of rankings at all ages and the rankings were very similar for both traits.The multibreed design used was effective in estimating between-breed variation as a proportion of total variation for the four traits examined. After approximately 1 year of age, the proportion of variation between breeds was approximately 0·70 for body weight and 0·60 for cumulated voluntary food intake. Changes in these traits could therefore be brought about more effectively by selection between breeds rather than within breeds. For average daily weight gain measured over 12-week intervals, between-breed selection was estimated to be most effective in the period of maximum growth rate between 6 and 9 months of age, when between-breed variation was 0·52 of the total. For average daily food intake, measured over 12-week intervals, between-breed selection was likely to be effective beyond 6 months of age, when the proportion of between-breed variation plateaued at 0·48.At all ages, the coefficient of genetic variation between breeds was approximately 0·14 for body weight and daily gain, and remarkably constant at approximately 0·12 for both daily and cumulated food intake. It is suggested that, for growth and intake traits, the genetic variances within and between breeds remain proportional to each other at all ages.

scholarly journals PENGARUH PENGGANTIAN SEBAGIAN RANSUM BASAL DENGAN TEPUNG DAUN PEPAYA (Carica papaya L) TERHADAP PERFORMANS AYAM PEDAGING

ZOOTEC ◽  
2020 ◽  
Vol 40 (2) ◽  
pp. 676
Author(s):  
Sintia Tempomona ◽  
Betty Bagau ◽  
Fenny R. Wolayan ◽  
Mursye N. Regar
Keyword(s):  
Weight Gain ◽  
Feed Intake ◽  
Broiler Chickens ◽  
Carica Papaya ◽  
Daily Weight Gain ◽  
Feed Conversion ◽  
Initial Weight ◽  
Broiler Performance ◽  
Leaf Meal ◽  
Basal Ration

EFFECT OF SUBTITUTION OF BASIC RATIONS WITH PAPAYA LEAF MEAL ON BROILER PERFORMANCE.  This research aims to know the effect of substitution of basic rations with papaya leaf meal on broiler performance. Using 100 broiler chickens aged 2 weeks with an initial weight rate of 278.75 g. The design used was complete random design (CRD) consisting of 4 treatments and 5 replications. The arrangement of the treatment was as follows: R0 = 100% basal ration (RB) + 0% papaya leaf meal (PLM), R1 = 95% basal ration + 5% PLM, R2 = 90% basal ration + 10% PLM, R3 = 85% basal ration + 15% PLM. The results of the analysis of variance showed that the replacement of a portion of basal rations with papaya leaf meal had a significantly different (P < 0.05) on feed intake, daily weight gain and feed conversion. Based on the results of this study, It can be concluded that the using of papaya leaf meal can replace a portion of ration until 5% level.Keywords: Performance, papaya leaf meal, broiler chickens

scholarly journals FEED UTILIZATION BY BROILER CHICKENS FED THREE COMMERCIAL MICRONUTRIENT PREMIXES AT TWO PHYSIOLOGICAL STAGES OF GROWTH

2021 ◽  
Vol 23 (2) ◽  
pp. 129-133
Author(s):  
O. O. ODUGUWA ◽  
B. K. OGUNMODEDE ◽  
A. O. FANIMO
Keyword(s):  
Growth Rate ◽  
Body Weight ◽  
Weight Gain ◽  
Treatment Group ◽  
Broiler Chickens ◽  
Feed Utilization ◽  
Daily Weight Gain ◽  
Poor Growth ◽  
Stages Of Growth ◽  
The Mean

Three commercial premix types were fed in and duplicated to six groups of 45 broilers each at the starter pbase (0-5 weeks). At the finisher phase (5-9 weeks) each treatment group of the vital roles in starter was further divided into three groups. Nine premix combinations were used at the finisher pbase. Performance of the birds was monitored. At the starter phase, birds fed premix Z diet had a mean body weight blood (629.90gm) that was higher (P<0.05) than fed premix A diet (518.87 gm) which was also the maintenance of osmotic relations and acid higher than those fed premix U diet (414.59gm). The mean daily weight gain followed the same  trend with 16.81gm, 14.04gm, or 10.58 gm for birds fed diets that contained premixes Z A or U respectively. Birds fed a diet that contained premix Z consumed 48.80 gm daily which was  more than those for birds fed premix U in their diet (37.85gm). The feed to gain ratio was not significantly affected (P>0.05) by the premix  type fed at this phase. Poor growth rate caused by premixes with marked differences in their by premix fed at the starter phase was not completely overcome due to the premix type fed at the finisher phase varied (P<0.05) with the type of premix fed. No difference (P>0.05) was observed among the  premix types for the metabolic trials at the starter phase.

scholarly journals Performance and economic analysis of growing pigs fed diets supplemented with different multi-enzymes complexes

2021 ◽  
Vol 48 (5) ◽  
pp. 285-292
Author(s):  
A. O. Sorunke ◽  
A. O. K. Adesehinwa ◽  
B. A. Boladuro ◽  
D. J. Ogunyemi ◽  
J. O. Abiola ◽  
...  
Keyword(s):  
Weight Gain ◽  
Basal Diet ◽  
Nutrient Utilization ◽  
Growing Pigs ◽  
Alpha Amylase ◽  
Daily Weight Gain ◽  
Beta Glucanase ◽  
Feed Cost ◽  
High Fibre ◽  
Ad Libitum

Consumption of high-fibre diet with non-starch polysaccharides (NSP) has the potential to adversely affect energy and nutrient utilization with consequent reduction in pig performance. This study was carried out to investigate the efficacy of three different enzymes cocktail on growth performance of growing pigs fed high-fibre diets.The basal diet served as control (T1). Treatment 2 (T2) contained 0.3 g/kg diet of A (Xylanase, Cellulase, Protease, Alpha-amylase, Beta-glucanase, Phytase and Pectinase), treatment 3 (T3) contained 0.5 g/kg diet of B (Carbohydrases, Beta-glucanase, Pectinase, Protease) while treatment 4 (T4) contained 0.25 g/kg diet of C (Xylanase, Phytase, Alpha – amylase, Protease, Bacillolysin).Sixty grower pigs of an average initial weight of 26.06 ±0.78 kg were randomly assigned to four dietary treatments (T) in a completely randomized design with three replicates per treatment and five animals in each replicate. Feed and water were supplied ad libitum. Feed intake and weight gain of the pigs were monitored weekly. Data were subjected to analysis of variance (ANOVA) using the General Linear Model procedures of SAS (2002).There were no significant differences (P>0.05) in the performance indices of the pigs though those fedenzyme cocktails had improved daily weight. Lowest feed cost per kg weight gain (? 345.38/kg) was observed in pigs fed diet supplemented with enzyme cocktail at 0.25g/kg. It was concluded that cocktail of enzymes improved daily weight gain of growing pigs fed diets containing non-starch polysaccharides. Also, enzymes cocktail (0.25g/kg) reduced feed cost per kilogram weight gain of the pigs.     La consommation d'aliments riches en fibres avec des polysaccharides non amylacés (NSP) a le potentiel d'affecter négativement l'utilisation de l'énergie et des nutriments avec une réduction conséquente des performances des porcs. Cette étude a été réalisée pour étudier l'efficacité de trois cocktails d'enzymes différents sur les performances de croissance de porcs en croissance nourris avec des régimes riches en fibres. Le régime de base a servi de contrôle (T1). Le traitement 2 (T2) contenait 0,3 g/kg de régime A (Xylanase, Cellulase, Protéase, Alpha-amylase, Bêta-glucanase, Phytase et Pectinase), le traitement 3 (T3) contenait 0,5 g/kg de régime B (Carbohydrases, Bêta -glucanase, Pectinase, Protease) tandis que le traitement 4 (T4) contenait 0,25 g/kg de ration de C (Xylanase, Phytase, Alpha amylase, Protease, Bacillolysin). assignés à quatre traitements diététiques (T) dans une conception complètement randomisée avec trois répétitions par traitement et cinq animaux dans chaque répétition. La nourriture et l'eau étaient fournies ad libitum. La prise alimentaire et le gain de poids des porcs ont été surveillés chaque semaine. Les données ont été soumises à une analyse de variance (ANOVA) à l'aide des procédures du modèle linéaire général de SAS (2002). Il n'y avait pas de différences significatives (P> 0,05) dans les indices de performance des porcs bien que ceux nourris avec des cocktails enzymatiques aient amélioré leur poids quotidien. Le coût alimentaire le plus bas par kg de gain de poids (? 345,38/kg) a été observé chez les porcs nourris avec un régime supplémenté avec un cocktail d'enzymes à 0,25 g/kg. Il a été conclu que le cocktail d'enzymes améliorait le gain de poids quotidien des porcs en croissance nourris avec des régimes contenant des polysaccharides non amylacés. De plus, le cocktail d'enzymes (0,25 g/kg) a réduit le coût des aliments par kilogramme de gain de poids des porcs.

scholarly journals Performance of Nellore males under different artificial shading levels in the feedlot

2016 ◽  
Vol 37 (4Supl1) ◽  
pp. 2623
Author(s):  
Diogo Alves da Costa Ferro ◽  
Emmanuel Arnhold ◽  
Claudia Peixoto Bueno ◽  
Eliane Sayuri Miyagi ◽  
Rafael Alves da Costa Ferro ◽  
...  
Keyword(s):  
Weight Gain ◽  
Meat Quality ◽  
Daily Weight Gain ◽  
Leg Length ◽  
Initial Weight ◽  
Total Weight Gain ◽  
Nellore Cattle ◽  
Humidity Index ◽  
Artificial Shading

The objective of this study was to evaluate the influence of artificial shading on weight gain and meat quality of male Nellore cattle in an intensive production system. The experiment was conducted in the experimental feedlot of the Course of Animal Science at Universidade Estadual de Goiás, from July to October 2014. Forty-eight male Nellore cattle with an average initial weight of 310 kg were kept in double 24-m2 stalls, in a total of 24 stalls. Of these, six were in the open air; six were covered with black shade netting of 30% light interception; six with black shade netting 50%; and six with black shade netting 80%, providing 6 m2 of shade per stall. The ration supplied to the animals and the orts left in the trough were weighed daily to determine intake, and the temperature-humidity index (THI) was measured twice weekly. Animals were weighed for the first time at the start of the experiment, and then another three times until the end, which was followed by the slaughter and assessments of performance and meat quality. A difference (p &lt; 0.05) was observed between the average THI values, with the highest value found in the stalls without artificial shading. No difference (p &gt; 0.05) was observed for feed intake, initial weight, final weight, total weight gain, average daily weight gain, carcass yield, marbling, texture, fatness, backfat thickness, loin-eye area, color, thigh length and circumference, leg length and circumference, or carcass length between the animals on the different treatments. The use of artificial shading does not have a significant effect on performance or meat quality of feedlot Nellore cattle when the ambient temperature is within the thermal comfort zone.

Sign in / Sign up

Export Citation Format

Share Document