THE EFFECT OF LEVEL AND FREQUENCY OF FEEDING WHOLE MILK ON BODY WEIGHT GAIN AND FEED CONVERSION OF CALVES

1983 ◽  
Vol 63 (2) ◽  
pp. 473-476
Author(s):  
L. J. FISHER ◽  
FRANK VAN MERLE

Thirty-two male Holstein calves, beginning at 1 wk of age, were used to estimate differences in weight gain between two feeding levels and two feeding frequencies over a period of 3 wk. Calves were randomly assigned to one of the following four treatments: whole milk (WM) fed at 10% of body weight (BW) twice a day; WM fed at 10% BW, three times a day; WM fed at 12% of BW, in two feedings per day, or WM fed at 12% of BW, in three feedings per day. Body weight gains and feed conversions were 279 and 437 g per day and 12.02 and 9.51 kg whole milk per kilogram of gain for the 10 and 12% levels of feeding, respectively. There was a trend towards increased rate of gain and improved feed efficiency when calves were fed twice compared to three times a day. Cost of medication was not influenced by level or frequency of feeding. It was concluded from this study that feeding whole milk at 12% of body weight was preferable to feeding at the 10% level of intake. Key words: Milk feeding, level, frequency, dairy calves

1969 ◽  
Vol 9 (38) ◽  
pp. 278
Author(s):  
JG Morris

Forty steers were intensively finished in yards on rations of 90 per cent sorghum grain and 10 per cent of either sorghum silage or stubble. There were no significant differences in rate of body weight gain or efficiency of feed conversion of steers fed the two rations. The experiment commenced on July 2, 1965. An abrupt increase at this time in daylength by flood-lighting, for two 2-hour periods daily, had no significant effect on rate of body weight gain, feed efficiency or coat shedding of steers subjected to natural seasonal increases in daylength. The administration of a cobalt pellet to steers fed a low-cobalt sorghum grain had no effect on coat shedding or rate of body weight gain.


1964 ◽  
Vol 44 (2) ◽  
pp. 235-247
Author(s):  
A. D. L. Gorrill

Ayrshire bull calves were utilized in two feeding trials with the following treatments in factorial design: indoors vs. pasture, whole milk vs. milk-replacer, 3 or 4 lb starter daily to 15 weeks of age in the first trial and 2 or 3 lb in the second. All calves received the same treatment after 15 weeks, fall pasture and winter drylot.The average daily body weight gain from 1 week of age to weaning at 130 ± 2 lb was 1.05 lb and did not differ appreciably among treatments. Starter intake was increased markedly by indoor and (or) milk-replacer feeding. Calves receiving milk-replacer indoors consumed an average of 1 lb starter per day; calves fed whole milk on pasture ate only 0.4 lb starter per day. Weight gains from weaning to 15 weeks of age on pasture were 1.5 lb/day for calves weaned from whole milk, and 1.2 lb/day for those previously fed milk-replacer. Starter levels had little effect on the performance of the pasture — whole milk group. Indoor rearing compared with pasture rearing during this period significantly decreased calf gains, the greatest reduction occurring from milk-replacer and (or) low starter level. Calf performance to 1 year of age did not differ as a result of preweaning liquid diet, starter levels, and in the first trial initial rearing environment (1.4 lb/day). The 2-lb starter level significantly decreased yearly gains for calves initially reared indoors compared with pasture.


2016 ◽  
Vol 1 (1) ◽  
pp. 746-757
Author(s):  
Zulhelmi Zulhelmi ◽  
M. Aman Yaman ◽  
Cut Aida Fitri

Abstrak. Penelitian ini bertujuan untuk memanfaatkan limbah asal feses sapi sebagai bahan pembuatan pakan pelet guna memacu pertumbuhan ikan Lele Dumbo.  Penelitian ini dilakukan di Station Riset II (dua) Ie Suum, UPT. University Farm, Aceh Besar,  tanggal 22 Mei‒14 Agustus 2016. Rancangan penelitian yang digunakan adalah Rancangan Acak Lengkap (RAL) terdiri dari 4 perlakuan dan 4 ulangan. Setiap ulangan merupakan unit percobaan, masing-masing terdiri dari 50 ekor ikan Lele Dumbo. Perlakuan menggunakan pakan komersil ikan 781 Hiprovite yang disubtitusikan dengan pakan pelet organik. Parameter yang diamati adalah berat badan, pertambahan berat badan, konsumsi pakan, konversi pakan, efisiensi pakan, kelangsungan hidup, dan kualitas air (pH, suhu, kelembaban, cahaya). Hasil penelitian menunjukkan perlakuan pakan limbah asal feses sapi berpengaruh sangat nyata (P0.01), terhadap berat badan, pertambahan berat badan, dan konsumsi ransum ikan Lele Dumbo, namun tidak berpengaruh nyata (P0,05)  terhadap konversi dan efisiensi pakan. Dari hasil penelitian ini dapat disimpulkan bahwa pakan pelet organik asal feses sapi dapat memacu pertumbuhan ikan Lele Dumbo. Utilization of Cattle Feces as Materials for Pellet Feed to The Weight Gain of Catfish Abstract. The aim of present study was to utilizase cattle feces as materials for making organic pellet feed to improve the growth of catfish.  The study was conducted  in Station Research II (two) Ie Seum Unit, University Farm, Aceh Besar, May 22-August 14, 2016. The study was designed into completely randomized design (CRD) consisting of 4 treatments and 4 replications. Each relication was an experimental unit consisting of 50 catfishes.The treatment was substition of commercial feed fish (781 Hiprovite) with  organic pellet feed with the level of 0, 10, 20, and 30%, respectively.  Parameters  measured were body weight, feed intake, feed conversion, feed efficiency,  livebility, and water quality  (pH, temperature, moisture, light). The results of study showed that administration of organic pellet feed  affected highly significant (P0.01) on body weight, body weight gain and feed intake of catfish. However, there were no significant effect (P0.05) on feed conversion and feed efficiency.  It was concluded that the organic pellet feed composed mainly from cattle feces could  improve the growth of catfish


1983 ◽  
Vol 63 (3) ◽  
pp. 587-593 ◽  
Author(s):  
L. J. FISHER

Twenty-four male Holstein calves averaging 117 kg body weight were each randomly assigned to one of four treatments: I, grain mixture, 2.0 kg·animal−1∙day−1; II, evaporated whey-canola meal mixture (EWC), 1.0 kg∙animal−1∙day−1; III, EWC, 2.0 kg·animal−1∙day−1; and IV, EWC, 4.0 kg∙animal−1∙day−1. All four groups were fed hay free choice. The effect of level of whey feeding on body weight gain, rumen fermentation and plasma minerals was then measured over a period of 120 days. The intake of EWC dry matter (DM) was 17.2, 34.4 and 55.5% of total DM intake for treatments II, III and IV, respectively, while the grain mixture represented 42.8% of DM intake for treatment I. Body weight gain during the 4-mo feeding period averaged 1.00, 0.93, 1.00 and 1.12 kg/day for treatments I–IV, respectively. Level of whey feeding had a marked influence on rumen fermentation. The molar proportion of rumen acetate was significantly lower and that of butyrate and valerate were significantly higher for treatments II and IV compared with treatments I and II. The effect of level of whey feeding on blood metabolites was less consistent although there was a trend towards a lower hematocrit and blood urea nitrogen levels with the highest level of whey feeding. The results of this trial indicated that the feeding of the EWC product at 2.0 and 4.0 kg/day caused a marked change in rumen fermentation but was a suitable source of energy for growing calves fed hay. Key words: Whey, utilization, dairy calves, rumen volatile acids


2018 ◽  
Vol 3 (1) ◽  
pp. 5-11
Author(s):  
M. Musdalifa ◽  
Bahri Syamsuryadi ◽  
Abdul Hakim Fattah

The purpose of this research is to know the increase of body weight, feed consumption, feed efficiency and conversion of Bali cattle feed given fermented straw as substitution of Elephant Grass. The method used in this Experimental study Method with Randomized Block Design with four treatments and three replications. P2: Elephant Grass 100% (control) P1: Elephant Grass 75% + 25% fermented straw, P2 treatment: Elephant Grass 50% + 50% fermentation straw and P3 Treatment: 25% Grass + Finger straw 75 %. The observed changes were weight gain (kg/day), feed consumption (kg/day), feed efficiency and feed conversion in Bali cattle. The data obtained were analyzed in various ways with Duncan. The result of this research showed that by giving substitution of fermented straw to determine the performance of bovine cow have a real effect (P ≤.05) to the value of body weight gain, feed consumption, feed conversion and efficiency of feed. It shows that with the difference of feeding substitution of fermented straw can give the real effect on the increase of body weight of Bali cattle with feeding of forage grass 50% elephant + 50% fermented straw.


Animals ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 1511
Author(s):  
Joseph P. Gulizia ◽  
Kevin M. Downs

Two trials were conducted to determine feed color effects on broiler performance. A completely randomized design was used. Trial 1 included four treatments: control (complete broiler starter diet), red, green, and blue; and Trial 2 included four treatments: control, orange, yellow, and purple. Each trial had 4 treatments with 4 replicates (60 birds/treatment) fed to 240 male Cobb 500 broilers during a 21 d grow out. Data were analyzed using the GLM procedure. In Trial 1, there were no treatment effects on average body weight, body weight gain, and feed consumption (p > 0.05). Adjusted feed conversion for control (1.23) was less than red (1.27; p = 0.001) and green (1.26; p = 0.009), with blue (1.25; p = 0.056) tending to be different during the experimental period. In Trial 2, there were no treatment effects on average body weight, feed consumption, and adjusted feed conversion during this study (p > 0.05). Body weight gain between d 1 to 14 for purple (490.78 g/bird) was more than orange (467 g/bird; p = 0.013) and yellow (461 g/bird; p= 0.004), with control (474 g/bird; p = 0.052) tending to be different. Results indicate that these feed colors had some, albeit limited, influence on broiler performance parameters.


Author(s):  
Vijayalingam Thavasi Alagan ◽  
Rajesh Nakulan Vatsala ◽  
Ilavarasan Sagadevan ◽  
Vairamuthu Subbiah ◽  
Venkataramanan Ragothaman

Abstract Background An effort was made to assess the effectiveness of dietary supplementation of Ulva lactuca (U. lactuca), a seaweed and Azolla individually and in combination on different physiological parameters of Aseel chicken. A total of 40 Aseel chicks of 8 weeks old were allocated into four groups, C1 (control), T1 (Azolla alone), T2 (seaweed alone) and T3 (seaweed plus Azolla). Aseel chicks in C1 were fed with formulated grower feed alone, birds in T1 had control diet with 5% Azolla, birds in T2 had control diet with 3% U. lactuca and birds in T3 had control diet admixtured with 5% of Azolla and 3% of U. lactuca. Parameters were recorded for a continuous period of 2 months in 15 days interval. Results The growth performance was found to be significant (P ≤ 0.05) during 30 days of feed trials and highly significant (P ≤ 0.01) during 45 and 60 days of treatment. Birds in T3 had a higher body weight gain, shank length and feed conversion efficiency followed with T1 and T2 compared to C1. PCV, RBC, WBC and heterophil counts were not influenced (P ≥ 0.05) by dietary treatments. Uric acid, creatinine, AST, glucose, triglycerides and magnesium levels revealed a high significant (P ≤ 0.01) variation, and cholesterol level showed significant (P ≤ 0.05) changes during 30th and 60th day of feed trials between the control and treatment groups. Total protein, globulin, phosphorus and electrolytes like Na, K and Cl levels were not significant (P ≥ 0.05) during 30th day and were highly significant (P ≤ 0.01) during the 60th day of the trial. Conclusions It could be noted that inclusion of U. lactuca and Azolla as feed supplement in grower chicken had a better body weight gain when given in combination (U. lactuca and Azolla) rather than supplemented with the sole entity. Based on the haematological and serum biochemical analysis, the supplementation of U. lactuca and Azolla at the levels included in this trial did not pose any threat to the physiological well-being of Aseel chicken.


2020 ◽  
Vol 98 (Supplement_4) ◽  
pp. 245-246
Author(s):  
Cláudio U Magnabosco ◽  
Fernando Lopes ◽  
Valentina Magnabosco ◽  
Raysildo Lobo ◽  
Leticia Pereira ◽  
...  

Abstract The aim of the study was to evaluate prediction methods, validation approaches and pseudo-phenotypes for the prediction of the genomic breeding values of feed efficiency related traits in Nellore cattle. It used the phenotypic and genotypic information of 4,329 and 3,594 animals, respectively, which were tested for residual feed intake (RFI), dry matter intake (DMI), feed efficiency (FE), feed conversion ratio (FCR), residual body weight gain (RG), and residual intake and body weight gain (RIG). Six prediction methods were used: ssGBLUP, BayesA, BayesB, BayesCπ, BLASSO, and BayesR. Three validation approaches were used: 1) random: where the data was randomly divided into ten subsets and the validation was done in each subset at a time; 2) age: the division into the training (2010 to 2016) and validation population (2017) were based on the year of birth; 3) genetic breeding value (EBV) accuracy: the data was split in the training population being animals with accuracy above 0.45; and validation population those below 0.45. We checked the accuracy and bias of genomic value (GEBV). The results showed that the GEBV accuracy was the highest when the prediction is obtained with ssGBLUP (0.05 to 0.31) (Figure 1). The low heritability obtained, mainly for FE (0.07 ± 0.03) and FCR (0.09 ± 0.03), limited the GEBVs accuracy, which ranged from low to moderate. The regression coefficient estimates were close to 1, and similar between the prediction methods, validation approaches, and pseudo-phenotypes. The cross-validation presented the most accurate predictions ranging from 0.07 to 0.037. The prediction accuracy was higher for phenotype adjusted for fixed effects than for EBV and EBV deregressed (30.0 and 34.3%, respectively). Genomic prediction can provide a reliable estimate of genomic breeding values for RFI, DMI, RG and RGI, as to even say that those traits may have higher genetic gain than FE and FCR.


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