{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,8]],"date-time":"2025-10-08T16:08:59Z","timestamp":1759939739129},"reference-count":48,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2016,8,1]],"date-time":"2016-08-01T00:00:00Z","timestamp":1470009600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Animal Science Journal"],"published-print":{"date-parts":[[2017,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Sahiwal cow is <jats:italic>Bos indicus<\/jats:italic> which is an important dairy breed of tropical and sub\u2010tropical region. Research on reproduction is rare in this breed. The objectives of the present study were to determine the effect of Ovsynch (OVS) versus prostaglandin F<jats:sub>2\u03b1<\/jats:sub> (PG) protocol on estrus response and its intensity, ovulation rate, timing of ovulation and pregnancy per artificial insemination (AI) in Sahiwal cows. Experimental cows (<jats:italic>n<\/jats:italic>\u2009=\u200980) were of mixed parity, lactating, suckled, \u2265120\u2009days postpartum with body condition score 3.08\u2009\u00b1\u20090.34 and 375\u2010475\u2009kg of body weight which were randomly assigned to receive either OVS (<jats:italic>n<\/jats:italic>\u2009=\u200946) or PG (<jats:italic>n<\/jats:italic> =34) protocol. Cows were inseminated twice at 12 and 24\u2009h after second gonadotropin releasing hormone in the OVS group, and 72 and 84\u2009h after administration of prostaglandin F<jats:sub>2\u03b1<\/jats:sub> in PG group, respectively. The results revealed that estrus response did not differ (<jats:italic>P<\/jats:italic>\u2009&gt;\u20090.05) and was 87% in OVS and 78% in PG cows. Ovulation rate did not differ (<jats:italic>P<\/jats:italic>\u2009&gt;\u20090.05) and was 50% in both, OVS and PG cows. The pregnancy per AI did not differ (<jats:italic>P<\/jats:italic>\u2009&gt;\u20090.05) and was 43% in OVS compared to 31% in PG cows. It is concluded that estrus response, ovulation rate and pregnancy per AI of OVS protocol is the same as PG in Sahiwal cows.<\/jats:p>","DOI":"10.1111\/asj.12661","type":"journal-article","created":{"date-parts":[[2016,8,2]],"date-time":"2016-08-02T18:18:23Z","timestamp":1470161903000},"page":"445-450","source":"Crossref","is-referenced-by-count":5,"title":["Effect of ovsynch versus prostaglandin F<sub>2\u03b1<\/sub> protocol on estrus response, ovulation rate, timing of ovulation and pregnancy per artificial insemination in Sahiwal cows"],"prefix":"10.1111","volume":"88","author":[{"given":"Mubbashar","family":"Hassan","sequence":"first","affiliation":[{"name":"Department of Theriogenology, Faculty of Veterinary Science University of Veterinary and Animal Sciences  Lahore Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ali","family":"Husnain","sequence":"additional","affiliation":[{"name":"Department of Theriogenology, Faculty of Veterinary Science University of Veterinary and Animal Sciences  Lahore Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Muhammad Ilyas","family":"Naveed","sequence":"additional","affiliation":[{"name":"Department of Theriogenology, Faculty of Veterinary Science University of Veterinary and Animal Sciences  Lahore Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Umair","family":"Riaz","sequence":"additional","affiliation":[{"name":"Department of Theriogenology, Faculty of Veterinary Science University of Veterinary and Animal Sciences  Lahore Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nasim","family":"Ahmad","sequence":"additional","affiliation":[{"name":"Department of Theriogenology, Faculty of Veterinary Science University of Veterinary and Animal Sciences  Lahore Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2016,8]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1556\/AVet.52.2004.4.12"},{"key":"e_1_2_6_3_1","first-page":"63","article-title":"Use of prostaglandin (PGF2\u03b1) to induce estrus in postpartum Sahiwal cows","volume":"26","author":"Amjad M","year":"2006","journal-title":"Pakistan Veterinary Journal"},{"key":"e_1_2_6_4_1","first-page":"106","article-title":"Factors affecting the efficiency of artificial insemination in cattle and buffalo in Punjab","volume":"23","author":"Anzar M","year":"2003","journal-title":"Pakistan, Pakistan Veterinary Journal"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.livsci.2008.11.004"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1095\/biolreprod56.5.1158"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11250-011-0057-1"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1071\/RD11916"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/0093-691X(94)00010-R"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0378-4320(03)00097-6"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0093-691X(00)00257-0"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.S0022-0302(01)74565-1"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.theriogenology.2007.08.035"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.theriogenology.2012.10.013"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.theriogenology.2006.09.039"},{"key":"e_1_2_6_16_1","doi-asserted-by":"publisher","DOI":"10.1111\/rda.12268"},{"key":"e_1_2_6_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0093-691X(01)00499-X"},{"key":"e_1_2_6_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0093-691X(97)00156-8"},{"key":"e_1_2_6_19_1","first-page":"697","article-title":"Review on cattle reproduction in the tropics. 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