The study was performed in three dairy cattle farms with different production systems-free stall with straw bedding (farm 1); tie stalls with short straw-bedded beds (farm 2) and tie stalls with long straw-bedded beds (farm 3). The udder hygiene score (UHS) and hind limb hygiene score (HLHS) were...

The influence of the rearing method on the liveweight of breeding heifers during the growth period was determined. The study was carried out on females from the age of 6 months until transfer to the breeding group. Three groups were formed with 25 Black-and-White calves each, analogously uniformed...

The study was conducted to determine the effects of two types of flooring (slatted and litter) on the welfare and behaviour (feeding, sexual and agonistic behaviour) of turkey broilers. A total of 160 BUT-9 and local hybrid turkey broilers were used in two consecutive experiments. Each experiment...

The worsening of poultry welfare is often due to continued influence of physiological stress by unsuitable technological and management breeding. These result to a permanent anatomic alterations in inner organs, glands and body weight of birds. The aim of this study was to determine the correlation ...

The breeding of entire mail pigs in modern pig farming is based on the quality of their meat, which means improving the carcass composition with more lean meat and more fat of the desired quality, while emphasizing various methods to prevent the appearance of boar taint. This review summarizes the...

Six project solutions of real cattle barns in Bulgaria with a capacity of 100-620 places were compared based on the most important area and technological characteristics. Some of them were reconstructed from old buildings and others were newly built. It was found that the best characteristics in...

The aim of the research was determining the effect of the first breeding age of Red-Motley heifers on their subsequent milk production at different containing methods during lactation. This research has been conducted in JSC "Solgon" the Krasnoyarsk region. The database consisted of 583 cows with...

A study was conducted to compare four project solutions of real new or reconstructed barns for tied rearing of cows with a capacity of 48-110 places and to compare these barns with six other buildings for free stall rearing in individual pens based on their most important area and technological...

The influence of stocking density on morphological parameters in brown trout (Salmo trutta m. fario) raised in closed recirculation system was studied. The stocking density of 29 and 57 pcs.m3 were tested. The received results showed that the influence of stocking density was significant on body...

In the Institute of Fisheries and Aquaculture and Agricultural University - Plovdiv a study was conducted for an investigation of some blood indices of one-summer scaly and mirror common carp of the local population, grown under different technological approaches in autochthonous (based only on...