Essays about: "östrus"
Showing result 11 - 15 of 15 essays containing the word östrus.
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11. Feromoninnehållande substansers inverkan på hjärtfrekvensen hos tjur
University essay from SLU/Dept. of Clinical SciencesAbstract : During the last 50 years the production of milk per cow has increased. This has, however, been followed by a decreased reproductive performance. Shorter and more indistinct signs of oestrus make it harder for the Swedish farmers to discover when the cows are in oestrus. There is a need for ways to control reproduction. READ MORE
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12. The porcine cervix : morphological changes and infiltration of immune cells during oestrus and dioestrus in the sow
University essay from SLU/Dept. of Anatomy, Physiology and BiochemistryAbstract : During the oestrous cycle, the porcine cervix undergoes marked macroscopic changes: at oestrus the cervix is firm, and after termination of oestrus it progressively softens. However, little is known about the parallel microscopic changes in the cervix. READ MORE
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13. Äggstockens normala storlek och struktur hos tik
University essay from SLU/Dept. of Clinical SciencesAbstract : There are only a few published studies on the normal variation in ovary size in bitches. All of the previous studies have been made on the beagle breed. READ MORE
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14. Feromoninnehållande substansers effekt på hjärtfrekvensen hos kvigor i östrus och diöstrus
University essay from SLU/Dept. of Clinical SciencesAbstract : With increased milkproduction in our dairy cattle, comes a risk for a reduced fertility. Studies performed on animals and humans have shown that it is possible to manipulate the oestrous cycle through exposure to pheromones. This means that pheromones could potentionally be used to make reproduction more efficient. READ MORE
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15. Fruktsamhet och fruktsamhetsproblem hos chow-chow : en inledande studie över situationen i Sverige
University essay from SLU/Dept. of Clinical SciencesAbstract : The chow-chow breed is considered to have a low fertility and this report is an in depth study of the reproductive functions of this breed in Sweden. Only 53 % of the Chow-chow matings results in litters. READ MORE