416 DOSE TITRATION FOR SUPERSTIMULATION OF BRANGUS AND BONSMARA DONORS WITH Folltropin®-V BY A SINGLE INTRAMUSCULAR INJECTION
Bibliographic record
Abstract
Two experiments were designed to evaluate the superovulatory response of Brangus and Bonsmara donor cows to different dosages of Folltropin®-V (Bioniche Animal Health Inc., Belleville, Ontario, Canada) given by a single i.m. injection or twice-daily i.m. injections. In Experiment 1, Brangus cows (n = 12) were superstimulated by 6 treatments (2 × 3 factorial) in a crossover design (i.e. all cows received the 6 treatments and all treatments were represented on each day). On Day 0, cows received 5 mg of estradiol-17ß plus 50 mg of progesterone and a Cue-Mate® (Bioniche Animal Health Inc.). On Day 4, cows were superstimulated with 300, 260, or 200 mg of NIH-FSH-P1 Folltropin®-V (Bioniche Animal Health Inc.) in twice-daily decreasing doses over 4 days or diluted in a slow release formulation (SRF; Bioniche Animal Health) and given in a single i.m. injection. The single injection was prepared by diluting the Folltropin®-V lyophilized powder in 1 mL of saline followed by mixing with 9 mL of the SRF in the syringe immediately before administration. In the am and pm of Day 6, all cows received PGF2, and Cue-Mates® were removed in the pm. Cows received 12.5 mg of porcine LH (Lutropin®-V; Bioniche Animal Health Inc.) in the am of Day 8 and were inseminated 12 and 24 h later. Ova/embryos were collected on Day 15 and data were analyzed by ANOVA. There was no effect of treatment (i.e. single v. twice-daily injections; P > 0.2) nor a treatment by dosage interaction (P < 0.6) on the mean (± SEM) number of total ova/embryos or transferable embryos (13.1 ± 1.9 and 7.5 ± 1.2 v. 15.5 ± 1.7 and 7.6 ± 1.0 for single v. twice-daily injections, respectively). The total number of ova/embryos did not differ among Folltropin®-V dosages (15.0 ± 2.3, 15.7 ± 2.0, and 12.1 ± 2.5 for 300, 260, and 200 mg, respectively; P > 0.4). However, the number of transferable embryos tended (P < 0.09) to be higher in donors receiving 260 mg (9.5 ± 1.6) than 200 mg (5.2 ± 0.8), with 300 mg (7.9 ± 1.5) intermediate. In Experiment 2, Bonsmara cows (n = 16) were superstimulated by 4 treatments (2 × 2 factorial) in a crossover design similarly to Experiment 1, except that 2 dosages of Folltropin®-V (200 and 300 mg) were evaluated. There were no significant effects of dosage of Folltropin®-V (P > 0.9), treatment (P > 0.3), or interaction (P < 0.4) on embryo production. The total number of ova/embryos and transferable embryos were 11.9 ± 2.0 and 7.2 ± 1.1 v. 11.1 ± 1.1 and 7.6 ± 0.7 for single and twice-daily injections, respectively, and 11.9 ± 1.9 and 7.6 ± 1.0 v. 11.1 ± 1.3 and 7.2 ± 0.8 for 300 and 200 mg of Folltropin®-V, respectively. Superstimulation of Brangus and Bonsmara cows with a single i.m. injection of Folltropin®-V diluted in a SRF resulted in comparable embryo production to twice-daily administration of Folltropin®-V over 4 days. While 260 mg seems to be the most appropriate dosage for Brangus donors, 200 mg seems to be adequate for Bonsmara donors.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.004 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".