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<blockquote data-quote="smnherf" data-source="post: 1207648" data-attributes="member: 3235"><p>Be very careful with this assumption. Hotter rations, with higher nutrition levels wont necessarily increase the size of the testicles. It might increase the scrotal measurements because there is fat deposited in the scrotum and most don't or cant account for it but that fat has short term and long term negative effects on a bulls fertility. </p><p></p><p>A few years ago, a young vet here was talking about all 1300 lb bulls with 40+ scrotals that were failing bsc exams because of a lack of motility and deformation of the sperm cells. One day she went to fertility test some 850 lb bulls that were really, really green and at first site, she thought it was going to be a disaster. Turned out those were the best testing bulls she did and they didn't have very big testicles. </p><p></p><p>I think a 36 to 38 is ideal and if I see a list of a lot of bulls over 40, I tend to either question the person who measured or am suspicious of the feed level.</p></blockquote><p></p>
[QUOTE="smnherf, post: 1207648, member: 3235"] Be very careful with this assumption. Hotter rations, with higher nutrition levels wont necessarily increase the size of the testicles. It might increase the scrotal measurements because there is fat deposited in the scrotum and most don't or cant account for it but that fat has short term and long term negative effects on a bulls fertility. A few years ago, a young vet here was talking about all 1300 lb bulls with 40+ scrotals that were failing bsc exams because of a lack of motility and deformation of the sperm cells. One day she went to fertility test some 850 lb bulls that were really, really green and at first site, she thought it was going to be a disaster. Turned out those were the best testing bulls she did and they didn't have very big testicles. I think a 36 to 38 is ideal and if I see a list of a lot of bulls over 40, I tend to either question the person who measured or am suspicious of the feed level. [/QUOTE]
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