14
MAY
2014

In vivo digestibility of cereal-based diets supplemented with sunflower vs. rapeseed meal

M. Yossifov, L. Kozelov Abstract. Two experiments were conducted to investigate effects of rapeseed meal (RSM) vs. sunflower meal (SFM) as a protein source at cereal-based isonitrigenous (at 16 % CP), iso-caloric at gross energy 18 kcal/kg and net (FUG=1) energy diets for fattening la
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14
MAY
2014

Biological fertility and milk yield in Bulgarian Dairy Synthetic Population sheep according to breeding line

N. Stancheva, I. Dimitrova, S. Georgieva Abstract. The aim of the study is to determine the parameters of the biological fertility and milk production of sheep breed Dairy Synthetic Population from herd of the Agricultural Institute, Shumen. The survey covers 851 ewes born in the peri
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14
MAY
2014

Blood parameters in yearling sheep fed Paulownia (Paulownia spp.) leaves

I. Varlyakov, V. Radev, T. Slavov, G. Ganchev Abstract. A physiological experiment was conducted with three yearling sheep, Stara Zagora x Pleven Blackhead crosses, to establish the effect of feeding Paulownia elongatа leaves on some blood parameters. The trial consisted of two period
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14
MAY
2014

Metabolic and enzymatic profile of sheep fed on forage treated with the synthetic pyrethroid Supersect 10 EC

R. Ivanova Abstract. Most of the small ruminant flocks on the Balkan Peninsula are bred on pasture. Thus the animals are endangered to graze treated alfalfa, without observing quarantine. The instability of the pyrethroid insecticides in rumen alkaline pH of the sheep is the reason fo
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13
MAY
2014

The evolution and current situation of sheep breeding in Romania

I. Răducuţă Abstract. After the integration of our country within the EU have occurred major changes in many areas of activity and including in the sheep breeding sector. The purpose of this paper is to investigate the evolution and situation of sheep breeding sector in Romania in rel
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13
MAY
2014

Polymorphism of the C3 component of the complement system and its impact on serum lysozyme concentrations and complement activity

Ts. Koynarski, L. Sotirov Abstract. The aim of the investigation was to determine the influence of the C3 component of the complement system on the levels of blood serum lysozyme and the alternative pathway of complement activity (APCA) in sheep. The experiment was carried out with sh
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12
MAY
2014

Freezing of day 5 and 6 sheep and goat embryos of Greek breeds

A. Pampukidou, M. Avdi, R. Ivanova, T. Alifakiotis Abstract. The aim of the present study was to investigate cryopreservation at day-5 and 6 of sheep embryos of Chios breed and goat embryos from indigenous Greek breed by the conventional one- or multi-step methods using glycerol and s
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12
MAY
2014

Comparative studies on some parameters of innate resistance and metabolic profile of sheep and their offspring depending on the ration

B. Bivolarski, Е. Vachkova, S. Laleva, P. Slavova, I. Ivanov Abstract: Comparative studies were carried out to evaluate the non-specific resistance and some metabolic profile parameters in Mouton Charollais sheep (n=16) and their offspring (n=10) depending on diet type. It was found o
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12
MAY
2014

Study of milk composition in sheep of Pleven black head breed

D. Panayotov, T. Iliev, N. Naydenova, D. Pamukova, M. Simeonov Abstract. The aim of the study was to investigate somatic cell count and milk composition from Pleven Black head breed of sheep. A total of 96 ewes on first lactation were used belonging to the flock of the village of Koma
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07
MAY
2014

Complement activity in Bulgarian local sheep related to season and breed

The studies were performed in 2008 on 308 sheep at the age of 2-4 years. Sheep from the following breeds were used: Karakachan, Tsigay, Replyan, Panagyurishte, Copper-red Shoumen, Karnobat, Pleven Blackhead, White Maritsa, Patch-faced Maritsa, Stara Zagora and Romanov. During the spri
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