This study investigated the carry-over effects of maternal L-carnitine supplementation during gestation and lactation on neonatal New Zealand rabbits. Maternal supplementation, particularly at 300 mg L^-1, improved litter performance, body weight, and average daily gain while enhancing thyroid hormone levels and reducing liver enzyme activity without adverse effects on oxidative status, indicating improved metabolic efficiency and neonatal health.

The Cukurova Meat Sheep (CMS) breed was developed to improve lamb meat production. This study compared CMS and Awassi lambs under identical feeding conditions. Although growth performance and overall meat quality were similar, CMS lambs yielded more muscle in high-value carcass cuts and had higher levels of protein, taurine, and arachidonic acid. These results highlight the potential of CMS for producing high-quality lamb. 

Gestation length (GL) is an important component of fertility in cows, as it interacts with stillbirth and calving ease. A genome-wide association study (GWAS) was applied to a dataset of German Holstein cows, aiming to identify genomic variants associated with direct and maternal GL. We found variants for the direct effect on GL at BTA14, 18, and 19. This is consistent with previous studies in other populations, allowing the transfer of their insights.

We studied 400 female yaks from the Qinghai Plateau to explore whether small differences in a growth-related gene were linked to body size. Several genetic differences were associated with height and body length, and one genetic pattern was linked to better overall growth. These findings may help identify yaks with favorable growth potential and support more efficient breeding in the future.

The aim of this study was to evaluate the influence of genetic and non-genetic factors on the composition of milk and cow metabolism. Farms and lactation stage had a strong effect. Polymorphisms of lipogenic genes had a low effect on milk parameters and the fatty acid profile. The association between β-hydroxybutyric acid and the fat-to-protein ratio was significant. The level of β-hydroxybutyric acid in milk may serve as a field predictor of ketosis in animals.

Intensive pigeon breeding is limited because squabs depend on species-specific crop milk. Artificial crop milk developed for industrial use has been associated with lower survival and higher mortality, likely due to missing bioactive compounds and beneficial microbiota. Kefir was also tested. However, parent-fed squabs showed better growth and blood parameters, while artificially fed birds had poorer performance and survival.

This study investigates metabolic adaptation, novel hormones, and cellular stress in dairy cows across pregnancy and lactation stages with different body condition scores. Results show that the dry period and early lactation represent critical metabolic stress points with elevated cellular stress and fat mobilization. Monitoring these novel biomarkers provides practical insights for optimizing transition-period nutritional strategies and herd health management.

This study evaluated the effects of dietary Viburnum opulus L. fruit powder (VOFP) on performance, egg quality, and egg yolk cholesterol in laying Japanese quails. VOFP supplementation had no adverse effects on growth performance. The VOFP5 group showed improvement in selected internal egg quality parameters, whereas the VOFP15 group demonstrated a significant reduction in egg yolk cholesterol only in the sixth week, indicating the potential of VOFP as a phytogenic feed additive.

This study investigated how feeding systems and acacia foliage supply, a natural tannin source, affect lamb growth, carcass and meat quality. Twenty-eight fat-tailed Barbarine lambs were either grazed or stall-fed, with or without acacia supplementation. Grazing improved growth and carcass yield, while tannins had little impact on meat quality. The results show that the effects of tannins depend on the main diet, highlighting their potential for sustainable lamb production.

Caprylic acid is a natural fatty acid tested as a feed additive to make chicken safer. By re-analysing published broiler trials, this study shows that moderate doses in feed often reduce gut Campylobacter – a common cause of food poisoning – without clearly harming growth. The results support caprylic acid as a tool for more antibiotic-free poultry production.

This study investigates the impact of pedigree completeness on genomic–polygenic evaluations for milk yield, fat percentage, and age at first calving in Thai multibreed dairy cattle. By testing nine pedigree omission scenarios, we reveal that genomic data offset moderate gaps, but accuracy and ranking stability collapse when losses exceed 20%. These findings provide novel evidence that robust pedigree recording is vital for reliable genetic progress in tropical smallholder systems.