Reproductive management of swine

2020 ◽  
pp. 283-297
Author(s):  
William L. Flowers
Keyword(s):  
Reproductive Management

1168 Physiological and management advances enhancing adoption of applied reproductive management procedures in beef cattle

2016 ◽  
Vol 94 (suppl_5) ◽  
pp. 560-561 ◽  
Author(s):  
D. J. Patterson ◽  
R. F. Cooke ◽  
G. R. Dahlke ◽  
R. N. Funston ◽  
J. B. Hall ◽  
...  
Keyword(s):  
Beef Cattle ◽  
Reproductive Management ◽  
Management Procedures

scholarly journals Effect of One-Day Delaying CIDR Administration in 5-Day Cosynch Protocol in Dairy Heifers

Animals ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 1402
Author(s):  
Sükrü Metin Pancarci ◽  
Örsan Güngör ◽  
Osman Harput ◽  
Oguz Calisici
Keyword(s):  
Artificial Insemination ◽  
Follicle Development ◽  
Dominant Follicle ◽  
Dairy Heifers ◽  
Reproductive Management

Effect of one-day delaying progesterone administration at the beginning of 5-day Cosynch protocol was investigated in Holstein heifers for the first artificial insemination (AI). Heifers received a synchronized ovulation and timed AI (TAI) with CIDR inserted on day (d) 0 (CIDR-5; n = 206) or d 1 (CIDR-4; n = 192). In both group, GnRH was administered on d 0 followed by a single PGF2α injection and CIDR removal five days later from GnRH. On d 8, TAI and GnRH administration were concurrently conducted. Heifers detected in estrus up to 24 h prior to TAI were inseminated without GnRH administration. Rates of ovulation, accessory CL formation and new dominant follicle development following initial GnRH injection did not differ between groups. P/AI did not differ between CIDR-4 (44.3%, [85/192]) and CIDR-5 (51.9%, [107/206]) groups, respectively. Pregnancy per AI (P/AI) was significantly (p < 0.01) declined as heifers’ age (12–13, 14, 15, 16 and17–21 months) proceeded in CIDR-4 group (55.6%, 52.1%, 37.9%, 35.7%, 32.4%) compared to those in CIDR-5 group (60.0%, 50.0%, 53.9%, 51.5%, 46.2%) respectively. In conclusion, there is no benefit for delaying CIDR administration in 5-day Cosynch protocol in dairy heifers. However, higher P/AI in CIDR-5 group in older heifers can be considered for reproductive management.

scholarly journals Nanotechnology and Reproductive Management of Farm Animals: Challenges and Advances

Animals ◽  
2021 ◽  
Vol 11 (7) ◽  
pp. 1932
Author(s):  
Nesrein M. Hashem ◽  
Antonio Gonzalez-Bulnes
Keyword(s):  
Management Strategies ◽  
Farming Systems ◽  
Biological Molecules ◽  
Farm Animals ◽  
Physiological Status ◽  
Livestock Farming ◽  
Reproductive Management ◽  
Livestock Farming Systems ◽  
Reproductive Disease ◽  
Nutritional Strategies

Reproductive efficiency of farm animals has central consequences on productivity and profitability of livestock farming systems. Optimal reproductive management is based on applying different strategies, including biological, hormonal, nutritional strategies, as well as reproductive disease control. These strategies should not only guarantee sufficient reproductive outcomes but should also comply with practical and ethical aspects. For example, the efficiency of the biological- and hormonal-based reproductive strategies is mainly related to several biological factors and physiological status of animals, and of nutritional strategies, additional factors, such as digestion and absorption, can contribute. In addition, the management of reproductive-related diseases is challenged by the concerns regarding the intensive use of antibiotics and the development of antimicrobial resistant strains. The emergence of nanotechnology applications in livestock farming systems may present innovative and new solutions for overcoming reproductive management challenges. Many drugs (hormones and antibiotics), biological molecules, and nutrients can acquire novel physicochemical properties using nanotechnology; the main ones are improved bioavailability, higher cellular uptake, controlled sustained release, and lower toxicity compared with ordinary forms. In this review, we illustrate advances in the most common reproductive management strategies by applying nanotechnology, considering the current challenges of each strategy.

scholarly journals Dairy producers' attitudes toward reproductive management and performance on Canadian dairy farms

2018 ◽  
Vol 101 (1) ◽  
pp. 850-860 ◽  
Author(s):  
J. Denis-Robichaud ◽  
R.L.A. Cerri ◽  
A. Jones-Bitton ◽  
S.J. LeBlanc
Keyword(s):  
Dairy Farms ◽  
Reproductive Management ◽  
And Performance

Assisted Reproductive Technologies for Decision Support in Reproductive Management of Dairy Cattle in Ke

2021 ◽  
Vol 7 (1) ◽  
pp. 10-18
Author(s):  
Wilkister Nakami ◽  
◽  
Victor Tsuma ◽  
Keyword(s):  
Decision Support ◽  
Dairy Cattle ◽  
Human Population ◽  
Management Practices ◽  
Assisted Reproductive Technologies ◽  
Reproductive Technologies ◽  
Breeding Method ◽  
Reproductive Management ◽  
Low Levels ◽  
Livestock Products

The human population is expected to double in Africa by 2030 and with it a consequent rise in demand for livestock products. Reproductive technologies improve livestock productivity however, uptake of the technologies has been low in Africa, yet this is where there is a dire need for livestock products as the human population surges. This study aimed to assess knowledge extent and understanding the use of assisted reproductive technologies in decision support for reproductive management of dairy cattle in Kenya. Dairy farmers and veterinary practitioners were interviewed using a questionnaire to obtain relevant data on knowledge, attitude and practices in the use of assisted reproductive technologies in reproductive management in dairy farms. Observable heat signs was the only method used by participants to ascertain estrus in a cow. Artificial insemination technique was adopted by all farmers as the breeding method of choice. The analysis highlighted that the respondents with low levels of formal education had less knowledge on reproductive technologies and displayed risky practices. Overall, a larger proportion of respondents indicated that the assisted reproductive technologies would be important in reproductive management. The relatively low levels of awareness, higher levels of education and a willingness to use the assisted reproductive technologies in reproductive management of dairy cattle strengthen the logic of improving productivity through the application of these assisted reproductive technologies as well as improve levels of awareness of reproductive management practices. Keywords: attitude, heat detection, knowledge, pregnancy diagnosis, practices, progesterone

scholarly journals Comparative study utilizing different post-breeding treatment regimens in cyclic Arabian mares

2021 ◽  
pp. 2863-2868
Author(s):  
Khalid Mohammed Karam ◽  
Ahmed Saed Alebady ◽  
Haitham O. Alhilfi ◽  
Dhia Hussain Al-Delemi
Keyword(s):  
Treatment Regimen ◽  
Normal Saline ◽  
Prophylactic Treatment ◽  
Treatment Protocols ◽  
Treatment Groups ◽  
Treatment Regimens ◽  
Reproductive Management ◽  
Natural Breeding ◽  
Uterine Lavage ◽  
Age Category

Background and Aim: Post-breeding treatment is the most common practice in the reproductive management of mares. Oxytocin, uterine lavage, and intrauterine (I/U) antibiotic are usually used as prophylactic therapy. This study aimed to determine the most efficient prophylactic treatment regimen among six treatment protocols applied during natural breeding of cyclic Arabian mares. Materials and Methods: The current study was conducted on cyclic Arabian mares that were subdivided into three age categories (n=968): Category I (5-10 years, n=380), Category II (11-15 years, n=361), and Category III (≥16 years, n=227). Six prophylactic treatments were applied after 4 h of breeding. According to the treatment regimen, treated mares (n=483) were divided into six treatment groups: A (n=80), treated with I/U antibiotic (1 g gentamicin); B (n=81), I/U lavage (normal saline 500 mL); C (n=83), intramuscular (I/M) oxytocin (10 IU); D (n=82), I/U antibiotic and I/M oxytocin; E (n=78), I/U lavage and I/M oxytocin; and F (n=79), I/U lavage with I/U antibiotic and I/M oxytocin. Non-treated mares were classified as controls (n=485). Ultrasonography was performed to monitor pregnant mares 30 and 60 days after mating, and mares were followed until foaling. Results: Pregnancy and foaling results reveals that in age Category I, treatment with oxytocin alone or oxytocin with I/U lavage showed the highest pregnancy and foaling rates (p<0.01). In age Category II, the highest pregnancy and foaling rates were observed in lavage treatment (p<0.01), whereas, in age Category III, the good pregnancy and foaling rates were monitored in treatment with oxytocin and I/U lavage (p<0.01). Conclusion: Treatment with systemic I/M oxytocin is ideal in early age group mares (5-10 years of age). However, irrespective of the age categories, all mares exhibited high pregnancy and foaling rates after treatment with systemic I/M oxytocin and I/U lavage with normal saline (0.9%) 4 h post-breeding.

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