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Evaluation of Awassi sheep genotypes for growth, milk production and milk composition
We evaluated growth, milk production and composition of Awassi genotypes based on 9 years data collected from the International Center for Agricultural Research in the Dry Areas (ICARDA) flock kept in Tal Hadya station, ...
Feed supplementation improves estrus response and increases fertility of sheep induced to breed out of season
To test the efficacy on reproductive performance of nutritional supplementation in an out-of-season mating system, 66 adult prolific Barbarine ewes were selected and induced to breed using “ram effect”. The ewes were ...
Molecular survey and genetic characterization of Anaplasma centrale, A. marginale and A. bovis in cattle from Algeria
Bovine anaplasmosis could be caused by several Anaplasma species. The causative agents are transmitted by ticks and haematophagous arthropods with a high impact on both human and animal health. This study was conducted to ...
Supplementing Barbarine ewes every two days around mating does not hamper the reproductive performance in comparison to daily supplementation
Seventy Barbarine ewes were divided into two homogeneous groups and
received 1200 g/head/day of hay, supplemented with 400 g/head/day of concentrate, either daily (group C) or every two days (group A). The supplementation ...
High- milking sheep have a lower ovulation rate and tend to yield fewer embryos in response to superovulation and intrauterine artificial insemination
Antagonistic relationship between milk yield and reproduction is reported in several
livestock species. This study aimed to investigate whether genetic merit for milk production
in dairy sheep affects responses to ...
Molecular detection and phylogenetic analyses of Toxoplasma gondii from naturally infected sheep in Northern and Central Tunisia
Toxoplasmosis is a worldwide zoonosis caused by the parasitic protozoan Toxoplasma gondii. It can infect all warm-blooded vertebrate species and causes abortions and birth defects in pregnant women and pregnant ewes. The ...
FecXBar a Novel BMP15 mutation responsible for prolificacy and female sterility in Tunisian Barbarine Sheep
Background: Naturally occurring mutations in growth and differentiation factor 9 (GDF9) or bone morphogenetic
protein 15 (BMP15) genes are associated with increased ovulation rate (OR) and litter size (LS) but also ...