THE EFFECT OF STORAGE TIME IN DIFFERENT TEMPERATURE ON NATIVE CHICKEN EGG HAUGH UNIT AND YOLK INDEX

Published in Scientific Papers. Series D. Animal Science, Vol. LV
Written by Hendronoto Arnoldus W. Lengkey, Tuti Widjastuti and Sjafril Darana

Three hundred sixty native chicken eggs was test on the effect of storage time in different temperature on haugh unit and yolk index. The aim of this research is to get the effect of storage time in different temperatures : 300 – 32oC (RH 54%), 280 – 290 C (RH 58%) and 150 – 180 C (RH 80%); on native chicken eggs haugh unit and yolk index. This experiment used Completely Randomized Design (CRD) on three different temperatures (30-320C, 28-290C and 15­180C) and each treatment was repeated six times. Results indicated that the lowest temperature (15-180C) has the highest haugh unit (89.96) and yolk index (0.45); and when the temperature raised (28-290C and 30-320C) the haugh unit and yolk index was lower (72.80 and 0.29; 73.15 and 0.30 respectively).

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Lengkey H. A. W., Widjastuti T., Darana S., 2012, THE EFFECT OF STORAGE TIME IN DIFFERENT TEMPERATURE ON NATIVE CHICKEN EGG HAUGH UNIT AND YOLK INDEX. Scientific Papers. Series D. Animal Science, Vol. LV, ISSN-L 2285-5750, 173-175.

 

The evolution and current situation of goat breeding in Romania

Published in Scientific Papers. Series D. Animal Science, Vol. LV
Written by Ion RĂDUCUȚĂ, Ion CĂLIN, Șerban PURDOIU

After the integration of our country within the EU have occurred major changes in many areas of activity and including in the goat breeding sector. The purpose of this paper is to investigate the evolution and situation of goat breeding sector in Romania in relation with the goat livestock, the number and size of goat exploitations and goat productions. To achieve these objectives we have studied the official statistical data, we calculated the percentage difference between the reference years and we interpreted data obtained. The results showed that the goat livestock has increasing with 135.6% in 2010 compared with 2002 and with 80.1% compared with 2006. In terms of number and size of goat exploitations, the results showed that in the year 2010 there were 176,353 exploitations of goat of which 88.6% are individual exploitations that have an average number of 2.4 heads goats per unit and which hold these animals exclusively for self-consumption of family and only 3% of total exploitations have more than 100 heads, as average size of goat farms existing in the western countries of EU. However, compared with the existing situation in 2002, the number of exploitations in the year 2010 decreased with about 25%, especially based by reducing of small exploitations, respectively those which are framed in class less than 10 heads.

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Răducuță I, Călin I., Purdoiu Ș., 2012, The evolution and current situation of goat breeding in Romania. Scientific Papers. Series D. Animal Science, Vol. LV, ISSN-L 2285-5750, 223-226.

 

The influence of supplementary feeding of lambs concerning their body weight at the end of the lactation

Published in Scientific Papers. Series D. Animal Science, Vol. LV
Written by Nicoleta TEODORESCU (ROȘU), Ion CĂLIN, Rodian Paul TĂPĂLOAGĂ, Ion ROȘU

The demographic explosion recorded worldwide in the last century and also the increasing level of living had as result the constantly increasing of the meat requirements.The researches were made in a company from the city of Vaslui, on two groups of half-breed lambs obtained from the crossing of females of Merinos de Palas with males of Ile de France.At the first group the supplementary feeding started when the lambs were 10 days old, when in their food it was provided, in specially arranged places, high quality hayand concentrated forage made in the farm, containing 50 % corn, 40 % oat and 10 % pea, ad libitum.The second group was fed supplementary starting at the age of 10 days, when the lams food was provided, in specially arranged places, high quality hay and compound grain forage for lambs given on discretion. In the period of 10-40 days in the lambs food it was administrated compound grain forage “starter” which provides a level of the protein of 16 % and a minimum level of phosphorus of 0, 45 % and in the period of 40-60 days it was administrated in the lambs food compound grain forage “grower” which provides a level of the protein of 15,8 % and a minimum level of phosphorus of 0,40 %. At the age of 30 days as well at the age of 60 days the lambs from the second group had accomplished body weights higher than the lambs from the first group. The average gain in weight made by the lambs in the second group was higher than the average gain in weight of the lambs in the first group. The lambs in the second group had record in the first 30 days of life average gain of 362 g/day while the lambs in the first group recorded a average gain of 224 g/day. In the period of 30-60 days, the lambs in the second group realized an average gain of 322 g/day while the lambs in the first group realized an average gain of 202 g/day. On the whole period of lactation, 60 days, the lambs in the second group realized and average gain of 322 g/day while the lambs in the first group realized an average gain of 213 g/day.

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Teodorescu (Roșu) N., Călin I., Tăpăloagă R. P., Roșu I., 2012, The influence of supplementary feeding of lambs concerning their body weight at the end of the lactation. Scientific Papers. Series D. Animal Science, Vol. LV, ISSN-L 2285-5750, 96-98.

 

The influence of using different proteolytic enzymatic produces over thecharacteristics of flour breading products

Published in Scientific Papers. Series D. Animal Science, Vol. LV
Written by Monica MARIN, Dumitru DRĂGOTOIU, Carmen NICOLAE, Georgeta DINIȚĂ, Paul Rodian TĂPĂLOAGĂ, Dana TĂPĂLOAGĂ, Nicoleta ISFAN

The utilization of enzymatic produces is a way of improving the process of breading products, moreover of the properties of the cereal products. Normal flour has a reduced proteolytic activity, while the flour made of sprouted wheat or attacked by the wheat bugs which has a special proteolytic activity, such that the resulted produces from the processing of such flour do not have the required quality. To improve this flour a supply of proteolytic enzymes will be used which gives the possibility of adjusting rheological indicators of the dough according to the technical requirements. After the analyzes being done, it has been noticed that for equal proteolytic activities, the enzymatic produces of various origins have a different effect on bread volume and porosity. The best results are obtained from the addition of fungal protease (Aspergillus oryzae, Aspergillus niger), bacterial protease (Bacillus subtilis) reducing the

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Marin M., Drăgotoiu D., Nicolae C., Diniță G., Tăpăloagă P. R., Tăpăloagă D., Isfan N., 2012, The influence of using different proteolytic enzymatic produces over the characteristics of flour breading products. Scientific Papers. Series D. Animal Science, Vol. LV, ISSN-L 2285-5750, 276-280.

 

The interrelation between the reproductive performance and the dairy productivity level of the Moldavian Black Spotted cattle breed population of“south” subtype

Published in Scientific Papers. Series D. Animal Science, Vol. LV
Written by Vera GRANACI, Alisa MORARI-PÎRLOG

The age of preparing the young cattle for reproduction and also cattle production and reproduction performances depending on the age of the first insemination, the main reproductive indices of cows and the influence of the season on the main reproductive indices in the studied population of cattle was studded. The investigations have been performed in terms of producing activity of the cattle breeding farm of the Moldova’s south districts, using a group of Black Spotted cattle breed population of Moldavian “south” subtype. It wasn’t established a regularity of the influence of the first insemination age on the reproductive indices and milk productivity level of the primiparous heifers of the Black Spotted cattle breed of Moldavian “south” subtype. The reduction of cow reproductive indices takes place only when milk productivity level exceeds 7000 kg per normal lactation compared with the maximum allowed requirements. The length of the service-period increased by 46,25%; The length of the calving interval increased by 3,97%; The coefficient of cow reproductive capacity decreased by 1 %. The value of the main reproductive indices of the studied group of cows manifested specific features depending on the season: The intensity of estrum manifestation prevails in the spring-summer period and constitutes 69,57% of the total females in heat during the year; The length of the service-period exceeds the maximum allowed requirements in the autumn-winter period; The best results of female fecundity have been established in the autumn and spring periods.

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Granaci V., Morari-Pîrlog A., 2012, The interrelation between the reproductive performance and the dairy productivity level of the Moldavian Black Spotted cattle breed population of “south” subtype. Scientific Papers. Series D. Animal Science, Vol. LV, ISSN-L 2285-5750, 121-126.

 

The management of 45 Ca uptake in skeletal, cardiac and smooth muscle tissue in rats of different ages. the impact of acute and long term treatment with D3vitamin

Published in Scientific Papers. Series D. Animal Science, Vol. LV
Written by Flory Revnic, Bogdan Paltineanu, Cosmin Sonea, Cristian Romeo Revnic, Cătălina Pena

The aim of the present study was to investigate the effect of acute and long term treatment with D3 vitamin upon 40 Wistar rats aged between 6-24 months old. Significant modification in 45Ca uptake in striated muscle from young rats with acute and long term treatment with D3 -vitamin has been noticed. Acute and long term treatment with D3 -vitamin in old rats determined an increase in 45Ca at the level of heart and aorta. The results have an important clinical significance in administration of D3 -vitamin in aging people because of the Ca accumulation danger on cardiac muscle and aorta leading to acceleration of functional disorders of the cardiovascular system affected by atherosclerosis process.

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Revnic F., Paltineanu B., Sonea C., Revnic C. R., Pena C., 2012, The management of 45 Ca uptake in skeletal, cardiac and smooth muscle tissue in rats of different ages. the impact of acute and long term treatment with D3 vitamin. Scientific Papers. Series D. Animal Science, Vol. LV, ISSN-L 2285-5750, 140-141.

 

The management of calcium balance in rat skeletal, cardiac and vascular smooth muscle function the role of calcitonin

Published in Scientific Papers. Series D. Animal Science, Vol. LV
Written by Bogdan Paltineanu, Alexandru Sonea, Cătălina Pena, Flory Revnic, Cristian Romeo Revnic

Aim:Our study has been concerned with investigation of the effect of Calcitonin treatment upon 45 Ca, 32P and 3H Colesterol uptake by the rat skeletal, vascular and cardiac muscle. Material and method: Animals: 30 white Wistar rats (150-180 g) aged between 6-24 months old divided into two groups of 15 rats each have been taken in our study: 15 young and 15 old. Method: Both, young and old rats have received Calcitonin treatment (vials with 0.5mg/ml = 0.25 mg) 0.025mg have been injected in each animal. Controls have received injections with physiological saline solution. Rats have been killed by cervical dislocation. Muscle fragments have been collected on ice bath ,then weighted and preincubated for one hour at 37oC in Hanks medium pH 7. After one hour, the muscle fragments have been incubated with 45Ca(90Pl/ml). In each sample 10Pl/sample has been used. Samples have been incubated for 2 hours at 370C. Nonspecificaly bound radiomarkers have been extracted with 1N Hcl for 24 hours and then a determination of specific bound radioactivity as well as the extracted one using a beta scintillator in liquid phase. 32P has been used with a specific activity of 7 mCi/ml,0.5PCi/sample. 3H Cholesterol has been used also for our experimental studies, with a total activity of 1mCi.0.1mCi/mlhas been used for working solution using 8Pl from dilution. The radioactivity has been evaluated with a Beta Betrhold Scintilation Counter. Results: Calcitonin experimentaly administrated has a clear influence upon 45Ca uptake in muscle tissue. Calcitonin treatment has an influence upon 3H Cholesterol uptake in skeletal muscle from treated rats versus controls. Conclusions: Our data have an important clinical value in monitoring calcium level in patients in order to avoid cardiac arithmias and vascular perturbations.

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Paltineanu B., Sonea A., Pena C., Revnic F., Revnic C. R., 2012, The management of calcium balance in rat skeletal, cardiac and vascular smooth muscle function the role of calcitonin. Scientific Papers. Series D. Animal Science, Vol. LV, ISSN-L 2285-5750, 131-133.

 

The management of water state in glycerinated rat heart the role of 1H NMR spectroscopy

Published in Scientific Papers. Series D. Animal Science, Vol. LV
Written by Bogdan Paltineanu, Cosmin Sonea, Cătălina Pena, Flory Revnic, Cristian Romeo Revnic

Ln order to obtain new data concerning muscle contraction at the molecular level, the interrelation water-contractile proteins has been investigated by means of 1 H NMR Spectroscopy. Rat heart muscle from 6 and 37 months old rats has been used for proton transverse relaxation time measurements in Ri, Co and Re. at different [ATP].The distribution of negative charges in contraction and relaxation has been measured by exposing glycerinated muscle from 6 to 37 months old rats to different [Mn+2].Our data have pointed out the existence of two proton relaxation tinies:T2s and 121 accounted for two water compartments. The modification in water state are related with modifications in contractile activity. The elongation od proton transverse relaxation times is associated with a decrease in the degree of water molecules aggregation.T2s and T2l are correlated with a reduction in muscle hydration, contraction being a function of ions binding to the protein sites. These sites are implicated in determination of protein hydration state.

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Paltineanu B., Sonea C., Pena C., Revnic F., Revnic C.R., 2012, The management of water state in glycerinated rat heart the role of 1H NMR spectroscopy. Scientific Papers. Series D. Animal Science, Vol. LV, ISSN-L 2285-5750, 127-130.

 

The quality of meat in some hybrides pig

Published in Scientific Papers. Series D. Animal Science, Vol. LV
Written by Consuela ROIBU, Ionuț BEIA, Răzvan POPA, Dana POPA

Aspects commonly found in the literature on meat quality of swine, shows the fact that, in a large number of qualitative peculiarities of muscle tissue, it can select the Napole Technological Yield as some of the most important genetic elements. These parameters are closely interdependent with pH at 24 hours in the meat after slaughter. In this work, the research has been conducted on 40 samples, taken from the semimembranos muscles from Perhib, F1 hybrids (Marele AlbxLandrace) xPietrain and F1 (Marele AlbxLandrace) xSeghers for the determination of Napole Technological Yield. Methods used to analyze the parameters listed are those in the literature. Age of the animals on slaughter was 183-185 days. The results put in evidence that the F1xPietrain hybrid have RN-in their genotype.

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Roibu C., Beia I., Popa R., Popa D., 2012, The quality of meat in some hybrides pig. Scientific Papers. Series D. Animal Science, Vol. LV, ISSN-L 2285-5750, 287-289.

 

The techno-economy dynamic system on broiler farming industries in WestJava region

Published in Scientific Papers. Series D. Animal Science, Vol. LV
Written by Taslim Dawan, Sjafril Darana

The basic research concept about positive feedback interaction between transformation process of technology and economy path was done with a study case approach on broiler farming industries in West Java Region. Technology path transformation as an internal aspect on micro level serves to promote the effectiveness optimality output toward, while economy path as an external aspect on the macro level serves functions to push efficiency leading of production going to input and output price stability. The aim of the research is to seek a systematic and holistic interpretation in determining problem solving model through mechanism of dynamics method system. Furthermore, this information can be used by the decision makers to formulate with appropriate strategies in facing changes of internal and external aspects. The research conclusions: Firstly, for knowledge contribution; the combination of technology and economy concept with regard to the positive interaction feedback is a contribution concept of techno economy knowledge. The mutual interaction is an issue that should be internalized in policy making process. Secondly, for policy contribution; i). in internal aspect, profile improvement of production resources competency among stakeholders need to be a part of policy on micro level, especially technology factor, ii). in external aspect, the price components of chicken meat as an output value, then raw materials and chicken feed as an input value, are macro level policy in economy factor on broiler farming industries determining.

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Dawan T., Darana S., 2012, The techno-economy dynamic system on broiler farming industries in West Java region. Scientific Papers. Series D. Animal Science, Vol. LV, ISSN-L 2285-5750, 247-249.

 


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