The study was conducted to determine whether the inclusion of algae Chlorella vulgaris in dairy goats’ diets would change the fatty acid profile and increase the proportion of unsaturated fatty acids in goat’s milk. White short-haired dairy goats on 2nd and 3rd lactations were fed 5 and 10 g of dried algae supplementation for six weeks. The fatty acids profile of milk was analyzed using gass chromatography (flame ionization detector (FID)). The addition of dried algae caused changes of the profile of fatty acids in the milk. The more algae were added to the diet, the greater the changes in the fatty acids profile of milk were found. A statistically significant effect (P = 0.0390) was found between the control group and the group supplemented with 10 g of Chlorella vulgaris per goat per day. The greatest effect of dietary treatment was seen in the relative reduction of palmitic acid content and increased oleic, linoleic, and linolenic acids content. Results suggested that the addition of algae also increased the nutritional quality of goat’s milk. There was a positive change in the ratio of SFA:MUFA:PUFA in terms of reducing the proportion of saturated fatty acids, as well as a change in the ratio of n-6 and n-3 PUFAs

Histochemical characteristics of muscle were evaluated in 12 German Heath lambs (6 males and 6 females). The lambs were slaughtered at the age of 150 days and samples of musculus longissimus lumborum et thoracis and quadriceps femoris were collected and measurements of fibre cross sectional area (µm 2 ), diameter (µm 2 ), and perimeter (µm 2 ) were performed. Subsequently the fibre type distribution (%) was calculated. The dataset was evaluated using SAS 9.3. Significantly higher (P < 0.05) cross sectional area, diameter, and perimeter attributes were observed in females compared to males. Significant differences (P < 0.05 to 0.01) were observed in fibre type distribution between musculus longissimus lumborum et thoracis and quadriceps femoris muscle. The presented study describes evaluation of morphological formation of skeletal muscle tissue performed on a sheep breed of German origin. The results may be useful for meat scientists or meat industry due to close connection of these characteristics to meat quality. Cross sectional area, fibre type distribution, musculus longissimus lumborum et thoracis, quadriceps femoris muscle

The objective of work was to evaluate eff ect of breed on basic physical characteristics of sheep leather. A total of 12 leathers of purebred Texel (n = 6) and Charollais (n = 6) lambs were included in the trial. The basic indicators of the physical analysis of leather quality: leather thickness (LT, mm), tensile strength endwise (TSE, N/mm 2 ) and across (TSA; N/mm 2 ) as well as maximal elongation endwise (MEE; %) and across (MEA; %) were assessed. The statistical analysis was performed by SAS 9.3 (SAS/STAT® 9.3., 2011) with the used MIXED procedure. All the physical parameters were higher in Charollais breed compared to Texel, except of MEA. More specifi cally LT and TSE were nonsignifi catnly higher +0.03 mm and +3.03 N/mm 2 in Charollais breed. Statistically signifi cantly higher diff erence TSA and MEE (+3.31 N/mm 2 ; P < 0.01 and +7.22%; P < 0.01) were also observed in Charollais breed compared to Texel. On the other hand there was also noticed a lower MEA (−7.17%; P > 0.05) in Charollais breed.

The trial was performed on 12 Texel lambs (6 males and 6 females) in selected flock. The lambs were slaughtered at the age of 180 days and samples of musculus longissimus lumborum et thoracis (MLLT) and musculus quadriceps femoris (QFM) were collected. The histochemical traits of fiber cross sectional area, diameter and perimeter were monitored. Subsequently the fiber type distribution was calculated and evaluated. The dataset was evaluated using SAS. Significantly higher pH value (+0.88; P < 0.01) was marked in females, while significantly higher L* attribute was observed in males. No differences between males and females were detected in histochemical evaluation. On the other hand significant differences (P < 0.05 to 0.01) were observed in fiber type distribution and cross sectional area parameters of MLLT and QMF muscles. In praxis the results are usable for meat scientists, sheep breeders or the meat industry.